/* Minification failed. Returning unminified contents.
(9956,17-18): run-time error JS1005: Expected '(': {
(9958,13-15): run-time error JS1009: Expected '}': me
(9958,13-15): run-time error JS1006: Expected ')': me
(9958,13-15): run-time error JS1008: Expected '{': me
(9958,15-16): run-time error JS1195: Expected expression: .
 */
/*!
 * Masonry PACKAGED v4.0.0
 * Cascading grid layout library
 * http://masonry.desandro.com
 * MIT License
 * by David DeSandro
 */

/**
 * Bridget makes jQuery widgets
 * v2.0.0
 * MIT license
 */

/* jshint browser: true, strict: true, undef: true, unused: true */

( function( window, factory ) {
  'use strict';
  /* globals define: false, module: false, require: false */

  if ( typeof define == 'function' && define.amd ) {
    // AMD
    define( 'jquery-bridget/jquery-bridget',[ 'jquery' ], function( jQuery ) {
      factory( window, jQuery );
    });
  } else if ( typeof module == 'object' && module.exports ) {
    // CommonJS
    module.exports = factory(
      window,
      require('jquery')
    );
  } else {
    // browser global
    window.jQueryBridget = factory(
      window,
      window.jQuery
    );
  }

}( window, function factory( window, jQuery ) {
'use strict';

// ----- utils ----- //

var arraySlice = Array.prototype.slice;

// helper function for logging errors
// $.error breaks jQuery chaining
var console = window.console;
var logError = typeof console == 'undefined' ? function() {} :
  function( message ) {
    console.error( message );
  };

// ----- jQueryBridget ----- //

function jQueryBridget( namespace, PluginClass, $ ) {
  $ = $ || jQuery || window.jQuery;
  if ( !$ ) {
    return;
  }

  // add option method -> $().plugin('option', {...})
  if ( !PluginClass.prototype.option ) {
    // option setter
    PluginClass.prototype.option = function( opts ) {
      // bail out if not an object
      if ( !$.isPlainObject( opts ) ){
        return;
      }
      this.options = $.extend( true, this.options, opts );
    };
  }

  // make jQuery plugin
  $.fn[ namespace ] = function( arg0 /*, arg1 */ ) {
    if ( typeof arg0 == 'string' ) {
      // method call $().plugin( 'methodName', { options } )
      // shift arguments by 1
      var args = arraySlice.call( arguments, 1 );
      return methodCall( this, arg0, args );
    }
    // just $().plugin({ options })
    plainCall( this, arg0 );
    return this;
  };

  // $().plugin('methodName')
  function methodCall( $elems, methodName, args ) {
    var returnValue;
    var pluginMethodStr = '$().' + namespace + '("' + methodName + '")';

    $elems.each( function( i, elem ) {
      // get instance
      var instance = $.data( elem, namespace );
      if ( !instance ) {
        logError( namespace + ' not initialized. Cannot call methods, i.e. ' +
          pluginMethodStr );
        return;
      }

      var method = instance[ methodName ];
      if ( !method || methodName.charAt(0) == '_' ) {
        logError( pluginMethodStr + ' is not a valid method' );
        return;
      }

      // apply method, get return value
      var value = method.apply( instance, args );
      // set return value if value is returned, use only first value
      returnValue = returnValue === undefined ? value : returnValue;
    });

    return returnValue !== undefined ? returnValue : $elems;
  }

  function plainCall( $elems, options ) {
    $elems.each( function( i, elem ) {
      var instance = $.data( elem, namespace );
      if ( instance ) {
        // set options & init
        instance.option( options );
        instance._init();
      } else {
        // initialize new instance
        instance = new PluginClass( elem, options );
        $.data( elem, namespace, instance );
      }
    });
  }

  updateJQuery( $ );

}

// ----- updateJQuery ----- //

// set $.bridget for v1 backwards compatibility
function updateJQuery( $ ) {
  if ( !$ || ( $ && $.bridget ) ) {
    return;
  }
  $.bridget = jQueryBridget;
}

updateJQuery( jQuery || window.jQuery );

// -----  ----- //

return jQueryBridget;

}));

/**
 * EvEmitter v1.0.1
 * Lil' event emitter
 * MIT License
 */

/* jshint unused: true, undef: true, strict: true */

( function( global, factory ) {
  // universal module definition
  /* jshint strict: false */ /* globals define, module */
  if ( typeof define == 'function' && define.amd ) {
    // AMD - RequireJS
    define( 'ev-emitter/ev-emitter',factory );
  } else if ( typeof module == 'object' && module.exports ) {
    // CommonJS - Browserify, Webpack
    module.exports = factory();
  } else {
    // Browser globals
    global.EvEmitter = factory();
  }

}( this, function() {



function EvEmitter() {}

var proto = EvEmitter.prototype;

proto.on = function( eventName, listener ) {
  if ( !eventName || !listener ) {
    return;
  }
  // set events hash
  var events = this._events = this._events || {};
  // set listeners array
  var listeners = events[ eventName ] = events[ eventName ] || [];
  // only add once
  if ( listeners.indexOf( listener ) == -1 ) {
    listeners.push( listener );
  }

  return this;
};

proto.once = function( eventName, listener ) {
  if ( !eventName || !listener ) {
    return;
  }
  // add event
  this.on( eventName, listener );
  // set once flag
  // set onceEvents hash
  var onceEvents = this._onceEvents = this._onceEvents || {};
  // set onceListeners array
  var onceListeners = onceEvents[ eventName ] = onceEvents[ eventName ] || [];
  // set flag
  onceListeners[ listener ] = true;

  return this;
};

proto.off = function( eventName, listener ) {
  var listeners = this._events && this._events[ eventName ];
  if ( !listeners || !listeners.length ) {
    return;
  }
  var index = listeners.indexOf( listener );
  if ( index != -1 ) {
    listeners.splice( index, 1 );
  }

  return this;
};

proto.emitEvent = function( eventName, args ) {
  var listeners = this._events && this._events[ eventName ];
  if ( !listeners || !listeners.length ) {
    return;
  }
  var i = 0;
  var listener = listeners[i];
  args = args || [];
  // once stuff
  var onceListeners = this._onceEvents && this._onceEvents[ eventName ];

  while ( listener ) {
    var isOnce = onceListeners && onceListeners[ listener ];
    if ( isOnce ) {
      // remove listener
      // remove before trigger to prevent recursion
      this.off( eventName, listener );
      // unset once flag
      delete onceListeners[ listener ];
    }
    // trigger listener
    listener.apply( this, args );
    // get next listener
    i += isOnce ? 0 : 1;
    listener = listeners[i];
  }

  return this;
};

return EvEmitter;

}));

/*!
 * getSize v2.0.2
 * measure size of elements
 * MIT license
 */

/*jshint browser: true, strict: true, undef: true, unused: true */
/*global define: false, module: false, console: false */

( function( window, factory ) {
  'use strict';

  if ( typeof define == 'function' && define.amd ) {
    // AMD
    define( 'get-size/get-size',[],function() {
      return factory();
    });
  } else if ( typeof module == 'object' && module.exports ) {
    // CommonJS
    module.exports = factory();
  } else {
    // browser global
    window.getSize = factory();
  }

})( window, function factory() {
'use strict';

// -------------------------- helpers -------------------------- //

// get a number from a string, not a percentage
function getStyleSize( value ) {
  var num = parseFloat( value );
  // not a percent like '100%', and a number
  var isValid = value.indexOf('%') == -1 && !isNaN( num );
  return isValid && num;
}

function noop() {}

var logError = typeof console == 'undefined' ? noop :
  function( message ) {
    console.error( message );
  };

// -------------------------- measurements -------------------------- //

var measurements = [
  'paddingLeft',
  'paddingRight',
  'paddingTop',
  'paddingBottom',
  'marginLeft',
  'marginRight',
  'marginTop',
  'marginBottom',
  'borderLeftWidth',
  'borderRightWidth',
  'borderTopWidth',
  'borderBottomWidth'
];

var measurementsLength = measurements.length;

function getZeroSize() {
  var size = {
    width: 0,
    height: 0,
    innerWidth: 0,
    innerHeight: 0,
    outerWidth: 0,
    outerHeight: 0
  };
  for ( var i=0; i < measurementsLength; i++ ) {
    var measurement = measurements[i];
    size[ measurement ] = 0;
  }
  return size;
}

// -------------------------- getStyle -------------------------- //

/**
 * getStyle, get style of element, check for Firefox bug
 * https://bugzilla.mozilla.org/show_bug.cgi?id=548397
 */
function getStyle( elem ) {
  var style = getComputedStyle( elem );
  if ( !style ) {
    logError( 'Style returned ' + style +
      '. Are you running this code in a hidden iframe on Firefox? ' +
      'See http://bit.ly/getsizebug1' );
  }
  return style;
}

// -------------------------- setup -------------------------- //

var isSetup = false;

var isBoxSizeOuter;

/**
 * setup
 * check isBoxSizerOuter
 * do on first getSize() rather than on page load for Firefox bug
 */
function setup() {
  // setup once
  if ( isSetup ) {
    return;
  }
  isSetup = true;

  // -------------------------- box sizing -------------------------- //

  /**
   * WebKit measures the outer-width on style.width on border-box elems
   * IE & Firefox<29 measures the inner-width
   */
  var div = document.createElement('div');
  div.style.width = '200px';
  div.style.padding = '1px 2px 3px 4px';
  div.style.borderStyle = 'solid';
  div.style.borderWidth = '1px 2px 3px 4px';
  div.style.boxSizing = 'border-box';

  var body = document.body || document.documentElement;
  body.appendChild( div );
  var style = getStyle( div );

  getSize.isBoxSizeOuter = isBoxSizeOuter = getStyleSize( style.width ) == 200;
  body.removeChild( div );

}

// -------------------------- getSize -------------------------- //

function getSize( elem ) {
  setup();

  // use querySeletor if elem is string
  if ( typeof elem == 'string' ) {
    elem = document.querySelector( elem );
  }

  // do not proceed on non-objects
  if ( !elem || typeof elem != 'object' || !elem.nodeType ) {
    return;
  }

  var style = getStyle( elem );

  // if hidden, everything is 0
  if ( style.display == 'none' ) {
    return getZeroSize();
  }

  var size = {};
  size.width = elem.offsetWidth;
  size.height = elem.offsetHeight;

  var isBorderBox = size.isBorderBox = style.boxSizing == 'border-box';

  // get all measurements
  for ( var i=0; i < measurementsLength; i++ ) {
    var measurement = measurements[i];
    var value = style[ measurement ];
    var num = parseFloat( value );
    // any 'auto', 'medium' value will be 0
    size[ measurement ] = !isNaN( num ) ? num : 0;
  }

  var paddingWidth = size.paddingLeft + size.paddingRight;
  var paddingHeight = size.paddingTop + size.paddingBottom;
  var marginWidth = size.marginLeft + size.marginRight;
  var marginHeight = size.marginTop + size.marginBottom;
  var borderWidth = size.borderLeftWidth + size.borderRightWidth;
  var borderHeight = size.borderTopWidth + size.borderBottomWidth;

  var isBorderBoxSizeOuter = isBorderBox && isBoxSizeOuter;

  // overwrite width and height if we can get it from style
  var styleWidth = getStyleSize( style.width );
  if ( styleWidth !== false ) {
    size.width = styleWidth +
      // add padding and border unless it's already including it
      ( isBorderBoxSizeOuter ? 0 : paddingWidth + borderWidth );
  }

  var styleHeight = getStyleSize( style.height );
  if ( styleHeight !== false ) {
    size.height = styleHeight +
      // add padding and border unless it's already including it
      ( isBorderBoxSizeOuter ? 0 : paddingHeight + borderHeight );
  }

  size.innerWidth = size.width - ( paddingWidth + borderWidth );
  size.innerHeight = size.height - ( paddingHeight + borderHeight );

  size.outerWidth = size.width + marginWidth;
  size.outerHeight = size.height + marginHeight;

  return size;
}

return getSize;

});

/**
 * matchesSelector v2.0.1
 * matchesSelector( element, '.selector' )
 * MIT license
 */

/*jshint browser: true, strict: true, undef: true, unused: true */

( function( window, factory ) {
  /*global define: false, module: false */
  'use strict';
  // universal module definition
  if ( typeof define == 'function' && define.amd ) {
    // AMD
    define( 'matches-selector/matches-selector',factory );
  } else if ( typeof module == 'object' && module.exports ) {
    // CommonJS
    module.exports = factory();
  } else {
    // browser global
    window.matchesSelector = factory();
  }

}( window, function factory() {
  'use strict';

  var matchesMethod = ( function() {
    var ElemProto = Element.prototype;
    // check for the standard method name first
    if ( ElemProto.matches ) {
      return 'matches';
    }
    // check un-prefixed
    if ( ElemProto.matchesSelector ) {
      return 'matchesSelector';
    }
    // check vendor prefixes
    var prefixes = [ 'webkit', 'moz', 'ms', 'o' ];

    for ( var i=0; i < prefixes.length; i++ ) {
      var prefix = prefixes[i];
      var method = prefix + 'MatchesSelector';
      if ( ElemProto[ method ] ) {
        return method;
      }
    }
  })();

  return function matchesSelector( elem, selector ) {
    return elem[ matchesMethod ]( selector );
  };

}));

/**
 * Fizzy UI utils v2.0.0
 * MIT license
 */

/*jshint browser: true, undef: true, unused: true, strict: true */

( function( window, factory ) {
  /*global define: false, module: false, require: false */
  'use strict';
  // universal module definition

  if ( typeof define == 'function' && define.amd ) {
    // AMD
    define( 'fizzy-ui-utils/utils',[
      'matches-selector/matches-selector'
    ], function( matchesSelector ) {
      return factory( window, matchesSelector );
    });
  } else if ( typeof module == 'object' && module.exports ) {
    // CommonJS
    module.exports = factory(
      window,
      require('desandro-matches-selector')
    );
  } else {
    // browser global
    window.fizzyUIUtils = factory(
      window,
      window.matchesSelector
    );
  }

}( window, function factory( window, matchesSelector ) {



var utils = {};

// ----- extend ----- //

// extends objects
utils.extend = function( a, b ) {
  for ( var prop in b ) {
    a[ prop ] = b[ prop ];
  }
  return a;
};

// ----- modulo ----- //

utils.modulo = function( num, div ) {
  return ( ( num % div ) + div ) % div;
};

// ----- makeArray ----- //

// turn element or nodeList into an array
utils.makeArray = function( obj ) {
  var ary = [];
  if ( Array.isArray( obj ) ) {
    // use object if already an array
    ary = obj;
  } else if ( obj && typeof obj.length == 'number' ) {
    // convert nodeList to array
    for ( var i=0; i < obj.length; i++ ) {
      ary.push( obj[i] );
    }
  } else {
    // array of single index
    ary.push( obj );
  }
  return ary;
};

// ----- removeFrom ----- //

utils.removeFrom = function( ary, obj ) {
  var index = ary.indexOf( obj );
  if ( index != -1 ) {
    ary.splice( index, 1 );
  }
};

// ----- getParent ----- //

utils.getParent = function( elem, selector ) {
  while ( elem != document.body ) {
    elem = elem.parentNode;
    if ( matchesSelector( elem, selector ) ) {
      return elem;
    }
  }
};

// ----- getQueryElement ----- //

// use element as selector string
utils.getQueryElement = function( elem ) {
  if ( typeof elem == 'string' ) {
    return document.querySelector( elem );
  }
  return elem;
};

// ----- handleEvent ----- //

// enable .ontype to trigger from .addEventListener( elem, 'type' )
utils.handleEvent = function( event ) {
  var method = 'on' + event.type;
  if ( this[ method ] ) {
    this[ method ]( event );
  }
};

// ----- filterFindElements ----- //

utils.filterFindElements = function( elems, selector ) {
  // make array of elems
  elems = utils.makeArray( elems );
  var ffElems = [];

  elems.forEach( function( elem ) {
    // check that elem is an actual element
    if ( !( elem instanceof HTMLElement ) ) {
      return;
    }
    // add elem if no selector
    if ( !selector ) {
      ffElems.push( elem );
      return;
    }
    // filter & find items if we have a selector
    // filter
    if ( matchesSelector( elem, selector ) ) {
      ffElems.push( elem );
    }
    // find children
    var childElems = elem.querySelectorAll( selector );
    // concat childElems to filterFound array
    for ( var i=0; i < childElems.length; i++ ) {
      ffElems.push( childElems[i] );
    }
  });

  return ffElems;
};

// ----- debounceMethod ----- //

utils.debounceMethod = function( _class, methodName, threshold ) {
  // original method
  var method = _class.prototype[ methodName ];
  var timeoutName = methodName + 'Timeout';

  _class.prototype[ methodName ] = function() {
    var timeout = this[ timeoutName ];
    if ( timeout ) {
      clearTimeout( timeout );
    }
    var args = arguments;

    var _this = this;
    this[ timeoutName ] = setTimeout( function() {
      method.apply( _this, args );
      delete _this[ timeoutName ];
    }, threshold || 100 );
  };
};

// ----- docReady ----- //

utils.docReady = function( callback ) {
  if ( document.readyState == 'complete' ) {
    callback();
  } else {
    document.addEventListener( 'DOMContentLoaded', callback );
  }
};

// ----- htmlInit ----- //

// http://jamesroberts.name/blog/2010/02/22/string-functions-for-javascript-trim-to-camel-case-to-dashed-and-to-underscore/
utils.toDashed = function( str ) {
  return str.replace( /(.)([A-Z])/g, function( match, $1, $2 ) {
    return $1 + '-' + $2;
  }).toLowerCase();
};

var console = window.console;
/**
 * allow user to initialize classes via [data-namespace] or .js-namespace class
 * htmlInit( Widget, 'widgetName' )
 * options are parsed from data-namespace-options
 */
utils.htmlInit = function( WidgetClass, namespace ) {
  utils.docReady( function() {
    var dashedNamespace = utils.toDashed( namespace );
    var dataAttr = 'data-' + dashedNamespace;
    var dataAttrElems = document.querySelectorAll( '[' + dataAttr + ']' );
    var jsDashElems = document.querySelectorAll( '.js-' + dashedNamespace );
    var elems = utils.makeArray( dataAttrElems )
      .concat( utils.makeArray( jsDashElems ) );
    var dataOptionsAttr = dataAttr + '-options';
    var jQuery = window.jQuery;

    elems.forEach( function( elem ) {
      var attr = elem.getAttribute( dataAttr ) ||
        elem.getAttribute( dataOptionsAttr );
      var options;
      try {
        options = attr && JSON.parse( attr );
      } catch ( error ) {
        // log error, do not initialize
        if ( console ) {
          console.error( 'Error parsing ' + dataAttr + ' on ' + elem.className +
          ': ' + error );
        }
        return;
      }
      // initialize
      var instance = new WidgetClass( elem, options );
      // make available via $().data('layoutname')
      if ( jQuery ) {
        jQuery.data( elem, namespace, instance );
      }
    });

  });
};

// -----  ----- //

return utils;

}));

/**
 * Outlayer Item
 */

( function( window, factory ) {
  // universal module definition
  /* jshint strict: false */ /* globals define, module, require */
  if ( typeof define == 'function' && define.amd ) {
    // AMD - RequireJS
    define( 'outlayer/item',[
        'ev-emitter/ev-emitter',
        'get-size/get-size'
      ],
      function( EvEmitter, getSize ) {
        return factory( window, EvEmitter, getSize );
      }
    );
  } else if ( typeof module == 'object' && module.exports ) {
    // CommonJS - Browserify, Webpack
    module.exports = factory(
      window,
      require('ev-emitter'),
      require('get-size')
    );
  } else {
    // browser global
    window.Outlayer = {};
    window.Outlayer.Item = factory(
      window,
      window.EvEmitter,
      window.getSize
    );
  }

}( window, function factory( window, EvEmitter, getSize ) {
'use strict';

// ----- helpers ----- //

function isEmptyObj( obj ) {
  for ( var prop in obj ) {
    return false;
  }
  prop = null;
  return true;
}

// -------------------------- CSS3 support -------------------------- //


var docElemStyle = document.documentElement.style;

var transitionProperty = typeof docElemStyle.transition == 'string' ?
  'transition' : 'WebkitTransition';
var transformProperty = typeof docElemStyle.transform == 'string' ?
  'transform' : 'WebkitTransform';

var transitionEndEvent = {
  WebkitTransition: 'webkitTransitionEnd',
  transition: 'transitionend'
}[ transitionProperty ];

// cache all vendor properties
var vendorProperties = [
  transformProperty,
  transitionProperty,
  transitionProperty + 'Duration',
  transitionProperty + 'Property'
];

// -------------------------- Item -------------------------- //

function Item( element, layout ) {
  if ( !element ) {
    return;
  }

  this.element = element;
  // parent layout class, i.e. Masonry, Isotope, or Packery
  this.layout = layout;
  this.position = {
    x: 0,
    y: 0
  };

  this._create();
}

// inherit EvEmitter
var proto = Item.prototype = Object.create( EvEmitter.prototype );
proto.constructor = Item;

proto._create = function() {
  // transition objects
  this._transn = {
    ingProperties: {},
    clean: {},
    onEnd: {}
  };

  this.css({
    position: 'absolute'
  });
};

// trigger specified handler for event type
proto.handleEvent = function( event ) {
  var method = 'on' + event.type;
  if ( this[ method ] ) {
    this[ method ]( event );
  }
};

proto.getSize = function() {
  this.size = getSize( this.element );
};

/**
 * apply CSS styles to element
 * @param {Object} style
 */
proto.css = function( style ) {
  var elemStyle = this.element.style;

  for ( var prop in style ) {
    // use vendor property if available
    var supportedProp = vendorProperties[ prop ] || prop;
    elemStyle[ supportedProp ] = style[ prop ];
  }
};

 // measure position, and sets it
proto.getPosition = function() {
  var style = getComputedStyle( this.element );
  var isOriginLeft = this.layout._getOption('originLeft');
  var isOriginTop = this.layout._getOption('originTop');
  var xValue = style[ isOriginLeft ? 'left' : 'right' ];
  var yValue = style[ isOriginTop ? 'top' : 'bottom' ];
  // convert percent to pixels
  var layoutSize = this.layout.size;
  var x = xValue.indexOf('%') != -1 ?
    ( parseFloat( xValue ) / 100 ) * layoutSize.width : parseInt( xValue, 10 );
  var y = yValue.indexOf('%') != -1 ?
    ( parseFloat( yValue ) / 100 ) * layoutSize.height : parseInt( yValue, 10 );

  // clean up 'auto' or other non-integer values
  x = isNaN( x ) ? 0 : x;
  y = isNaN( y ) ? 0 : y;
  // remove padding from measurement
  x -= isOriginLeft ? layoutSize.paddingLeft : layoutSize.paddingRight;
  y -= isOriginTop ? layoutSize.paddingTop : layoutSize.paddingBottom;

  this.position.x = x;
  this.position.y = y;
};

// set settled position, apply padding
proto.layoutPosition = function() {
  var layoutSize = this.layout.size;
  var style = {};
  var isOriginLeft = this.layout._getOption('originLeft');
  var isOriginTop = this.layout._getOption('originTop');

  // x
  var xPadding = isOriginLeft ? 'paddingLeft' : 'paddingRight';
  var xProperty = isOriginLeft ? 'left' : 'right';
  var xResetProperty = isOriginLeft ? 'right' : 'left';

  var x = this.position.x + layoutSize[ xPadding ];
  // set in percentage or pixels
  style[ xProperty ] = this.getXValue( x );
  // reset other property
  style[ xResetProperty ] = '';

  // y
  var yPadding = isOriginTop ? 'paddingTop' : 'paddingBottom';
  var yProperty = isOriginTop ? 'top' : 'bottom';
  var yResetProperty = isOriginTop ? 'bottom' : 'top';

  var y = this.position.y + layoutSize[ yPadding ];
  // set in percentage or pixels
  style[ yProperty ] = this.getYValue( y );
  // reset other property
  style[ yResetProperty ] = '';

  this.css( style );
  this.emitEvent( 'layout', [ this ] );
};

proto.getXValue = function( x ) {
  var isHorizontal = this.layout._getOption('horizontal');
  return this.layout.options.percentPosition && !isHorizontal ?
    ( ( x / this.layout.size.width ) * 100 ) + '%' : x + 'px';
};

proto.getYValue = function( y ) {
  var isHorizontal = this.layout._getOption('horizontal');
  return this.layout.options.percentPosition && isHorizontal ?
    ( ( y / this.layout.size.height ) * 100 ) + '%' : y + 'px';
};

proto._transitionTo = function( x, y ) {
  this.getPosition();
  // get current x & y from top/left
  var curX = this.position.x;
  var curY = this.position.y;

  var compareX = parseInt( x, 10 );
  var compareY = parseInt( y, 10 );
  var didNotMove = compareX === this.position.x && compareY === this.position.y;

  // save end position
  this.setPosition( x, y );

  // if did not move and not transitioning, just go to layout
  if ( didNotMove && !this.isTransitioning ) {
    this.layoutPosition();
    return;
  }

  var transX = x - curX;
  var transY = y - curY;
  var transitionStyle = {};
  transitionStyle.transform = this.getTranslate( transX, transY );

  this.transition({
    to: transitionStyle,
    onTransitionEnd: {
      transform: this.layoutPosition
    },
    isCleaning: true
  });
};

proto.getTranslate = function( x, y ) {
  // flip cooridinates if origin on right or bottom
  var isOriginLeft = this.layout._getOption('originLeft');
  var isOriginTop = this.layout._getOption('originTop');
  x = isOriginLeft ? x : -x;
  y = isOriginTop ? y : -y;
  return 'translate3d(' + x + 'px, ' + y + 'px, 0)';
};

// non transition + transform support
proto.goTo = function( x, y ) {
  this.setPosition( x, y );
  this.layoutPosition();
};

proto.moveTo = proto._transitionTo;

proto.setPosition = function( x, y ) {
  this.position.x = parseInt( x, 10 );
  this.position.y = parseInt( y, 10 );
};

// ----- transition ----- //

/**
 * @param {Object} style - CSS
 * @param {Function} onTransitionEnd
 */

// non transition, just trigger callback
proto._nonTransition = function( args ) {
  this.css( args.to );
  if ( args.isCleaning ) {
    this._removeStyles( args.to );
  }
  for ( var prop in args.onTransitionEnd ) {
    args.onTransitionEnd[ prop ].call( this );
  }
};

/**
 * proper transition
 * @param {Object} args - arguments
 *   @param {Object} to - style to transition to
 *   @param {Object} from - style to start transition from
 *   @param {Boolean} isCleaning - removes transition styles after transition
 *   @param {Function} onTransitionEnd - callback
 */
proto._transition = function( args ) {
  // redirect to nonTransition if no transition duration
  if ( !parseFloat( this.layout.options.transitionDuration ) ) {
    this._nonTransition( args );
    return;
  }

  var _transition = this._transn;
  // keep track of onTransitionEnd callback by css property
  for ( var prop in args.onTransitionEnd ) {
    _transition.onEnd[ prop ] = args.onTransitionEnd[ prop ];
  }
  // keep track of properties that are transitioning
  for ( prop in args.to ) {
    _transition.ingProperties[ prop ] = true;
    // keep track of properties to clean up when transition is done
    if ( args.isCleaning ) {
      _transition.clean[ prop ] = true;
    }
  }

  // set from styles
  if ( args.from ) {
    this.css( args.from );
    // force redraw. http://blog.alexmaccaw.com/css-transitions
    var h = this.element.offsetHeight;
    // hack for JSHint to hush about unused var
    h = null;
  }
  // enable transition
  this.enableTransition( args.to );
  // set styles that are transitioning
  this.css( args.to );

  this.isTransitioning = true;

};

// dash before all cap letters, including first for
// WebkitTransform => -webkit-transform
function toDashedAll( str ) {
  return str.replace( /([A-Z])/g, function( $1 ) {
    return '-' + $1.toLowerCase();
  });
}

var transitionProps = 'opacity,' +
  toDashedAll( vendorProperties.transform || 'transform' );

proto.enableTransition = function(/* style */) {
  // HACK changing transitionProperty during a transition
  // will cause transition to jump
  if ( this.isTransitioning ) {
    return;
  }

  // make `transition: foo, bar, baz` from style object
  // HACK un-comment this when enableTransition can work
  // while a transition is happening
  // var transitionValues = [];
  // for ( var prop in style ) {
  //   // dash-ify camelCased properties like WebkitTransition
  //   prop = vendorProperties[ prop ] || prop;
  //   transitionValues.push( toDashedAll( prop ) );
  // }
  // enable transition styles
  this.css({
    transitionProperty: transitionProps,
    transitionDuration: this.layout.options.transitionDuration
  });
  // listen for transition end event
  this.element.addEventListener( transitionEndEvent, this, false );
};

proto.transition = Item.prototype[ transitionProperty ? '_transition' : '_nonTransition' ];

// ----- events ----- //

proto.onwebkitTransitionEnd = function( event ) {
  this.ontransitionend( event );
};

proto.onotransitionend = function( event ) {
  this.ontransitionend( event );
};

// properties that I munge to make my life easier
var dashedVendorProperties = {
  '-webkit-transform': 'transform'
};

proto.ontransitionend = function( event ) {
  // disregard bubbled events from children
  if ( event.target !== this.element ) {
    return;
  }
  var _transition = this._transn;
  // get property name of transitioned property, convert to prefix-free
  var propertyName = dashedVendorProperties[ event.propertyName ] || event.propertyName;

  // remove property that has completed transitioning
  delete _transition.ingProperties[ propertyName ];
  // check if any properties are still transitioning
  if ( isEmptyObj( _transition.ingProperties ) ) {
    // all properties have completed transitioning
    this.disableTransition();
  }
  // clean style
  if ( propertyName in _transition.clean ) {
    // clean up style
    this.element.style[ event.propertyName ] = '';
    delete _transition.clean[ propertyName ];
  }
  // trigger onTransitionEnd callback
  if ( propertyName in _transition.onEnd ) {
    var onTransitionEnd = _transition.onEnd[ propertyName ];
    onTransitionEnd.call( this );
    delete _transition.onEnd[ propertyName ];
  }

  this.emitEvent( 'transitionEnd', [ this ] );
};

proto.disableTransition = function() {
  this.removeTransitionStyles();
  this.element.removeEventListener( transitionEndEvent, this, false );
  this.isTransitioning = false;
};

/**
 * removes style property from element
 * @param {Object} style
**/
proto._removeStyles = function( style ) {
  // clean up transition styles
  var cleanStyle = {};
  for ( var prop in style ) {
    cleanStyle[ prop ] = '';
  }
  this.css( cleanStyle );
};

var cleanTransitionStyle = {
  transitionProperty: '',
  transitionDuration: ''
};

proto.removeTransitionStyles = function() {
  // remove transition
  this.css( cleanTransitionStyle );
};

// ----- show/hide/remove ----- //

// remove element from DOM
proto.removeElem = function() {
  this.element.parentNode.removeChild( this.element );
  // remove display: none
  this.css({ display: '' });
  this.emitEvent( 'remove', [ this ] );
};

proto.remove = function() {
  // just remove element if no transition support or no transition
  if ( !transitionProperty || !parseFloat( this.layout.options.transitionDuration ) ) {
    this.removeElem();
    return;
  }

  // start transition
  this.once( 'transitionEnd', function() {
    this.removeElem();
  });
  this.hide();
};

proto.reveal = function() {
  delete this.isHidden;
  // remove display: none
  this.css({ display: '' });

  var options = this.layout.options;

  var onTransitionEnd = {};
  var transitionEndProperty = this.getHideRevealTransitionEndProperty('visibleStyle');
  onTransitionEnd[ transitionEndProperty ] = this.onRevealTransitionEnd;

  this.transition({
    from: options.hiddenStyle,
    to: options.visibleStyle,
    isCleaning: true,
    onTransitionEnd: onTransitionEnd
  });
};

proto.onRevealTransitionEnd = function() {
  // check if still visible
  // during transition, item may have been hidden
  if ( !this.isHidden ) {
    this.emitEvent('reveal');
  }
};

/**
 * get style property use for hide/reveal transition end
 * @param {String} styleProperty - hiddenStyle/visibleStyle
 * @returns {String}
 */
proto.getHideRevealTransitionEndProperty = function( styleProperty ) {
  var optionStyle = this.layout.options[ styleProperty ];
  // use opacity
  if ( optionStyle.opacity ) {
    return 'opacity';
  }
  // get first property
  for ( var prop in optionStyle ) {
    return prop;
  }
};

proto.hide = function() {
  // set flag
  this.isHidden = true;
  // remove display: none
  this.css({ display: '' });

  var options = this.layout.options;

  var onTransitionEnd = {};
  var transitionEndProperty = this.getHideRevealTransitionEndProperty('hiddenStyle');
  onTransitionEnd[ transitionEndProperty ] = this.onHideTransitionEnd;

  this.transition({
    from: options.visibleStyle,
    to: options.hiddenStyle,
    // keep hidden stuff hidden
    isCleaning: true,
    onTransitionEnd: onTransitionEnd
  });
};

proto.onHideTransitionEnd = function() {
  // check if still hidden
  // during transition, item may have been un-hidden
  if ( this.isHidden ) {
    this.css({ display: 'none' });
    this.emitEvent('hide');
  }
};

proto.destroy = function() {
  this.css({
    position: '',
    left: '',
    right: '',
    top: '',
    bottom: '',
    transition: '',
    transform: ''
  });
};

return Item;

}));

/*!
 * Outlayer v2.0.0
 * the brains and guts of a layout library
 * MIT license
 */

( function( window, factory ) {
  'use strict';
  // universal module definition
  /* jshint strict: false */ /* globals define, module, require */
  if ( typeof define == 'function' && define.amd ) {
    // AMD - RequireJS
    define( 'outlayer/outlayer',[
        'ev-emitter/ev-emitter',
        'get-size/get-size',
        'fizzy-ui-utils/utils',
        './item'
      ],
      function( EvEmitter, getSize, utils, Item ) {
        return factory( window, EvEmitter, getSize, utils, Item);
      }
    );
  } else if ( typeof module == 'object' && module.exports ) {
    // CommonJS - Browserify, Webpack
    module.exports = factory(
      window,
      require('ev-emitter'),
      require('get-size'),
      require('fizzy-ui-utils'),
      require('./item')
    );
  } else {
    // browser global
    window.Outlayer = factory(
      window,
      window.EvEmitter,
      window.getSize,
      window.fizzyUIUtils,
      window.Outlayer.Item
    );
  }

}( window, function factory( window, EvEmitter, getSize, utils, Item ) {
'use strict';

// ----- vars ----- //

var console = window.console;
var jQuery = window.jQuery;
var noop = function() {};

// -------------------------- Outlayer -------------------------- //

// globally unique identifiers
var GUID = 0;
// internal store of all Outlayer intances
var instances = {};


/**
 * @param {Element, String} element
 * @param {Object} options
 * @constructor
 */
function Outlayer( element, options ) {
  var queryElement = utils.getQueryElement( element );
  if ( !queryElement ) {
    if ( console ) {
      console.error( 'Bad element for ' + this.constructor.namespace +
        ': ' + ( queryElement || element ) );
    }
    return;
  }
  this.element = queryElement;
  // add jQuery
  if ( jQuery ) {
    this.$element = jQuery( this.element );
  }

  // options
  this.options = utils.extend( {}, this.constructor.defaults );
  this.option( options );

  // add id for Outlayer.getFromElement
  var id = ++GUID;
  this.element.outlayerGUID = id; // expando
  instances[ id ] = this; // associate via id

  // kick it off
  this._create();

  var isInitLayout = this._getOption('initLayout');
  if ( isInitLayout ) {
    this.layout();
  }
}

// settings are for internal use only
Outlayer.namespace = 'outlayer';
Outlayer.Item = Item;

// default options
Outlayer.defaults = {
  containerStyle: {
    position: 'relative'
  },
  initLayout: true,
  originLeft: true,
  originTop: true,
  resize: true,
  resizeContainer: true,
  // item options
  transitionDuration: '0.4s',
  hiddenStyle: {
    opacity: 0,
    transform: 'scale(0.001)'
  },
  visibleStyle: {
    opacity: 1,
    transform: 'scale(1)'
  }
};

var proto = Outlayer.prototype;
// inherit EvEmitter
utils.extend( proto, EvEmitter.prototype );

/**
 * set options
 * @param {Object} opts
 */
proto.option = function( opts ) {
  utils.extend( this.options, opts );
};

/**
 * get backwards compatible option value, check old name
 */
proto._getOption = function( option ) {
  var oldOption = this.constructor.compatOptions[ option ];
  return oldOption && this.options[ oldOption ] !== undefined ?
    this.options[ oldOption ] : this.options[ option ];
};

Outlayer.compatOptions = {
  // currentName: oldName
  initLayout: 'isInitLayout',
  horizontal: 'isHorizontal',
  layoutInstant: 'isLayoutInstant',
  originLeft: 'isOriginLeft',
  originTop: 'isOriginTop',
  resize: 'isResizeBound',
  resizeContainer: 'isResizingContainer'
};

proto._create = function() {
  // get items from children
  this.reloadItems();
  // elements that affect layout, but are not laid out
  this.stamps = [];
  this.stamp( this.options.stamp );
  // set container style
  utils.extend( this.element.style, this.options.containerStyle );

  // bind resize method
  var canBindResize = this._getOption('resize');
  if ( canBindResize ) {
    this.bindResize();
  }
};

// goes through all children again and gets bricks in proper order
proto.reloadItems = function() {
  // collection of item elements
  this.items = this._itemize( this.element.children );
};


/**
 * turn elements into Outlayer.Items to be used in layout
 * @param {Array or NodeList or HTMLElement} elems
 * @returns {Array} items - collection of new Outlayer Items
 */
proto._itemize = function( elems ) {

  var itemElems = this._filterFindItemElements( elems );
  var Item = this.constructor.Item;

  // create new Outlayer Items for collection
  var items = [];
  for ( var i=0; i < itemElems.length; i++ ) {
    var elem = itemElems[i];
    var item = new Item( elem, this );
    items.push( item );
  }

  return items;
};

/**
 * get item elements to be used in layout
 * @param {Array or NodeList or HTMLElement} elems
 * @returns {Array} items - item elements
 */
proto._filterFindItemElements = function( elems ) {
  return utils.filterFindElements( elems, this.options.itemSelector );
};

/**
 * getter method for getting item elements
 * @returns {Array} elems - collection of item elements
 */
proto.getItemElements = function() {
  return this.items.map( function( item ) {
    return item.element;
  });
};

// ----- init & layout ----- //

/**
 * lays out all items
 */
proto.layout = function() {
  this._resetLayout();
  this._manageStamps();

  // don't animate first layout
  var layoutInstant = this._getOption('layoutInstant');
  var isInstant = layoutInstant !== undefined ?
    layoutInstant : !this._isLayoutInited;
  this.layoutItems( this.items, isInstant );

  // flag for initalized
  this._isLayoutInited = true;
};

// _init is alias for layout
proto._init = proto.layout;

/**
 * logic before any new layout
 */
proto._resetLayout = function() {
  this.getSize();
};


proto.getSize = function() {
  this.size = getSize( this.element );
};

/**
 * get measurement from option, for columnWidth, rowHeight, gutter
 * if option is String -> get element from selector string, & get size of element
 * if option is Element -> get size of element
 * else use option as a number
 *
 * @param {String} measurement
 * @param {String} size - width or height
 * @private
 */
proto._getMeasurement = function( measurement, size ) {
  var option = this.options[ measurement ];
  var elem;
  if ( !option ) {
    // default to 0
    this[ measurement ] = 0;
  } else {
    // use option as an element
    if ( typeof option == 'string' ) {
      elem = this.element.querySelector( option );
    } else if ( option instanceof HTMLElement ) {
      elem = option;
    }
    // use size of element, if element
    this[ measurement ] = elem ? getSize( elem )[ size ] : option;
  }
};

/**
 * layout a collection of item elements
 * @api public
 */
proto.layoutItems = function( items, isInstant ) {
  items = this._getItemsForLayout( items );

  this._layoutItems( items, isInstant );

  this._postLayout();
};

/**
 * get the items to be laid out
 * you may want to skip over some items
 * @param {Array} items
 * @returns {Array} items
 */
proto._getItemsForLayout = function( items ) {
  return items.filter( function( item ) {
    return !item.isIgnored;
  });
};

/**
 * layout items
 * @param {Array} items
 * @param {Boolean} isInstant
 */
proto._layoutItems = function( items, isInstant ) {
  this._emitCompleteOnItems( 'layout', items );

  if ( !items || !items.length ) {
    // no items, emit event with empty array
    return;
  }

  var queue = [];

  items.forEach( function( item ) {
    // get x/y object from method
    var position = this._getItemLayoutPosition( item );
    // enqueue
    position.item = item;
    position.isInstant = isInstant || item.isLayoutInstant;
    queue.push( position );
  }, this );

  this._processLayoutQueue( queue );
};

/**
 * get item layout position
 * @param {Outlayer.Item} item
 * @returns {Object} x and y position
 */
proto._getItemLayoutPosition = function( /* item */ ) {
  return {
    x: 0,
    y: 0
  };
};

/**
 * iterate over array and position each item
 * Reason being - separating this logic prevents 'layout invalidation'
 * thx @paul_irish
 * @param {Array} queue
 */
proto._processLayoutQueue = function( queue ) {
  queue.forEach( function( obj ) {
    this._positionItem( obj.item, obj.x, obj.y, obj.isInstant );
  }, this );
};

/**
 * Sets position of item in DOM
 * @param {Outlayer.Item} item
 * @param {Number} x - horizontal position
 * @param {Number} y - vertical position
 * @param {Boolean} isInstant - disables transitions
 */
proto._positionItem = function( item, x, y, isInstant ) {
  if ( isInstant ) {
    // if not transition, just set CSS
    item.goTo( x, y );
  } else {
    item.moveTo( x, y );
  }
};

/**
 * Any logic you want to do after each layout,
 * i.e. size the container
 */
proto._postLayout = function() {
  this.resizeContainer();
};

proto.resizeContainer = function() {
  var isResizingContainer = this._getOption('resizeContainer');
  if ( !isResizingContainer ) {
    return;
  }
  var size = this._getContainerSize();
  if ( size ) {
    this._setContainerMeasure( size.width, true );
    this._setContainerMeasure( size.height, false );
  }
};

/**
 * Sets width or height of container if returned
 * @returns {Object} size
 *   @param {Number} width
 *   @param {Number} height
 */
proto._getContainerSize = noop;

/**
 * @param {Number} measure - size of width or height
 * @param {Boolean} isWidth
 */
proto._setContainerMeasure = function( measure, isWidth ) {
  if ( measure === undefined ) {
    return;
  }

  var elemSize = this.size;
  // add padding and border width if border box
  if ( elemSize.isBorderBox ) {
    measure += isWidth ? elemSize.paddingLeft + elemSize.paddingRight +
      elemSize.borderLeftWidth + elemSize.borderRightWidth :
      elemSize.paddingBottom + elemSize.paddingTop +
      elemSize.borderTopWidth + elemSize.borderBottomWidth;
  }

  measure = Math.max( measure, 0 );
  this.element.style[ isWidth ? 'width' : 'height' ] = measure + 'px';
};

/**
 * emit eventComplete on a collection of items events
 * @param {String} eventName
 * @param {Array} items - Outlayer.Items
 */
proto._emitCompleteOnItems = function( eventName, items ) {
  var _this = this;
  function onComplete() {
    _this.dispatchEvent( eventName + 'Complete', null, [ items ] );
  }

  var count = items.length;
  if ( !items || !count ) {
    onComplete();
    return;
  }

  var doneCount = 0;
  function tick() {
    doneCount++;
    if ( doneCount == count ) {
      onComplete();
    }
  }

  // bind callback
  items.forEach( function( item ) {
    item.once( eventName, tick );
  });
};

/**
 * emits events via EvEmitter and jQuery events
 * @param {String} type - name of event
 * @param {Event} event - original event
 * @param {Array} args - extra arguments
 */
proto.dispatchEvent = function( type, event, args ) {
  // add original event to arguments
  var emitArgs = event ? [ event ].concat( args ) : args;
  this.emitEvent( type, emitArgs );

  if ( jQuery ) {
    // set this.$element
    this.$element = this.$element || jQuery( this.element );
    if ( event ) {
      // create jQuery event
      var $event = jQuery.Event( event );
      $event.type = type;
      this.$element.trigger( $event, args );
    } else {
      // just trigger with type if no event available
      this.$element.trigger( type, args );
    }
  }
};

// -------------------------- ignore & stamps -------------------------- //


/**
 * keep item in collection, but do not lay it out
 * ignored items do not get skipped in layout
 * @param {Element} elem
 */
proto.ignore = function( elem ) {
  var item = this.getItem( elem );
  if ( item ) {
    item.isIgnored = true;
  }
};

/**
 * return item to layout collection
 * @param {Element} elem
 */
proto.unignore = function( elem ) {
  var item = this.getItem( elem );
  if ( item ) {
    delete item.isIgnored;
  }
};

/**
 * adds elements to stamps
 * @param {NodeList, Array, Element, or String} elems
 */
proto.stamp = function( elems ) {
  elems = this._find( elems );
  if ( !elems ) {
    return;
  }

  this.stamps = this.stamps.concat( elems );
  // ignore
  elems.forEach( this.ignore, this );
};

/**
 * removes elements to stamps
 * @param {NodeList, Array, or Element} elems
 */
proto.unstamp = function( elems ) {
  elems = this._find( elems );
  if ( !elems ){
    return;
  }

  elems.forEach( function( elem ) {
    // filter out removed stamp elements
    utils.removeFrom( this.stamps, elem );
    this.unignore( elem );
  }, this );
};

/**
 * finds child elements
 * @param {NodeList, Array, Element, or String} elems
 * @returns {Array} elems
 */
proto._find = function( elems ) {
  if ( !elems ) {
    return;
  }
  // if string, use argument as selector string
  if ( typeof elems == 'string' ) {
    elems = this.element.querySelectorAll( elems );
  }
  elems = utils.makeArray( elems );
  return elems;
};

proto._manageStamps = function() {
  if ( !this.stamps || !this.stamps.length ) {
    return;
  }

  this._getBoundingRect();

  this.stamps.forEach( this._manageStamp, this );
};

// update boundingLeft / Top
proto._getBoundingRect = function() {
  // get bounding rect for container element
  var boundingRect = this.element.getBoundingClientRect();
  var size = this.size;
  this._boundingRect = {
    left: boundingRect.left + size.paddingLeft + size.borderLeftWidth,
    top: boundingRect.top + size.paddingTop + size.borderTopWidth,
    right: boundingRect.right - ( size.paddingRight + size.borderRightWidth ),
    bottom: boundingRect.bottom - ( size.paddingBottom + size.borderBottomWidth )
  };
};

/**
 * @param {Element} stamp
**/
proto._manageStamp = noop;

/**
 * get x/y position of element relative to container element
 * @param {Element} elem
 * @returns {Object} offset - has left, top, right, bottom
 */
proto._getElementOffset = function( elem ) {
  var boundingRect = elem.getBoundingClientRect();
  var thisRect = this._boundingRect;
  var size = getSize( elem );
  var offset = {
    left: boundingRect.left - thisRect.left - size.marginLeft,
    top: boundingRect.top - thisRect.top - size.marginTop,
    right: thisRect.right - boundingRect.right - size.marginRight,
    bottom: thisRect.bottom - boundingRect.bottom - size.marginBottom
  };
  return offset;
};

// -------------------------- resize -------------------------- //

// enable event handlers for listeners
// i.e. resize -> onresize
proto.handleEvent = utils.handleEvent;

/**
 * Bind layout to window resizing
 */
proto.bindResize = function() {
  window.addEventListener( 'resize', this );
  this.isResizeBound = true;
};

/**
 * Unbind layout to window resizing
 */
proto.unbindResize = function() {
  window.removeEventListener( 'resize', this );
  this.isResizeBound = false;
};

proto.onresize = function() {
  this.resize();
};

utils.debounceMethod( Outlayer, 'onresize', 100 );

proto.resize = function() {
  // don't trigger if size did not change
  // or if resize was unbound. See #9
  if ( !this.isResizeBound || !this.needsResizeLayout() ) {
    return;
  }

  this.layout();
};

/**
 * check if layout is needed post layout
 * @returns Boolean
 */
proto.needsResizeLayout = function() {
  var size = getSize( this.element );
  // check that this.size and size are there
  // IE8 triggers resize on body size change, so they might not be
  var hasSizes = this.size && size;
  return hasSizes && size.innerWidth !== this.size.innerWidth;
};

// -------------------------- methods -------------------------- //

/**
 * add items to Outlayer instance
 * @param {Array or NodeList or Element} elems
 * @returns {Array} items - Outlayer.Items
**/
proto.addItems = function( elems ) {
  var items = this._itemize( elems );
  // add items to collection
  if ( items.length ) {
    this.items = this.items.concat( items );
  }
  return items;
};

/**
 * Layout newly-appended item elements
 * @param {Array or NodeList or Element} elems
 */
proto.appended = function( elems ) {
  var items = this.addItems( elems );
  if ( !items.length ) {
    return;
  }
  // layout and reveal just the new items
  this.layoutItems( items, true );
  this.reveal( items );
};

/**
 * Layout prepended elements
 * @param {Array or NodeList or Element} elems
 */
proto.prepended = function( elems ) {
  var items = this._itemize( elems );
  if ( !items.length ) {
    return;
  }
  // add items to beginning of collection
  var previousItems = this.items.slice(0);
  this.items = items.concat( previousItems );
  // start new layout
  this._resetLayout();
  this._manageStamps();
  // layout new stuff without transition
  this.layoutItems( items, true );
  this.reveal( items );
  // layout previous items
  this.layoutItems( previousItems );
};

/**
 * reveal a collection of items
 * @param {Array of Outlayer.Items} items
 */
proto.reveal = function( items ) {
  this._emitCompleteOnItems( 'reveal', items );
  if ( !items || !items.length ) {
    return;
  }
  items.forEach( function( item ) {
    item.reveal();
  });
};

/**
 * hide a collection of items
 * @param {Array of Outlayer.Items} items
 */
proto.hide = function( items ) {
  this._emitCompleteOnItems( 'hide', items );
  if ( !items || !items.length ) {
    return;
  }
  items.forEach( function( item ) {
    item.hide();
  });
};

/**
 * reveal item elements
 * @param {Array}, {Element}, {NodeList} items
 */
proto.revealItemElements = function( elems ) {
  var items = this.getItems( elems );
  this.reveal( items );
};

/**
 * hide item elements
 * @param {Array}, {Element}, {NodeList} items
 */
proto.hideItemElements = function( elems ) {
  var items = this.getItems( elems );
  this.hide( items );
};

/**
 * get Outlayer.Item, given an Element
 * @param {Element} elem
 * @param {Function} callback
 * @returns {Outlayer.Item} item
 */
proto.getItem = function( elem ) {
  // loop through items to get the one that matches
  for ( var i=0; i < this.items.length; i++ ) {
    var item = this.items[i];
    if ( item.element == elem ) {
      // return item
      return item;
    }
  }
};

/**
 * get collection of Outlayer.Items, given Elements
 * @param {Array} elems
 * @returns {Array} items - Outlayer.Items
 */
proto.getItems = function( elems ) {
  elems = utils.makeArray( elems );
  var items = [];
  elems.forEach( function( elem ) {
    var item = this.getItem( elem );
    if ( item ) {
      items.push( item );
    }
  }, this );

  return items;
};

/**
 * remove element(s) from instance and DOM
 * @param {Array or NodeList or Element} elems
 */
proto.remove = function( elems ) {
  var removeItems = this.getItems( elems );

  this._emitCompleteOnItems( 'remove', removeItems );

  // bail if no items to remove
  if ( !removeItems || !removeItems.length ) {
    return;
  }

  removeItems.forEach( function( item ) {
    item.remove();
    // remove item from collection
    utils.removeFrom( this.items, item );
  }, this );
};

// ----- destroy ----- //

// remove and disable Outlayer instance
proto.destroy = function() {
  // clean up dynamic styles
  var style = this.element.style;
  style.height = '';
  style.position = '';
  style.width = '';
  // destroy items
  this.items.forEach( function( item ) {
    item.destroy();
  });

  this.unbindResize();

  var id = this.element.outlayerGUID;
  delete instances[ id ]; // remove reference to instance by id
  delete this.element.outlayerGUID;
  // remove data for jQuery
  if ( jQuery ) {
    jQuery.removeData( this.element, this.constructor.namespace );
  }

};

// -------------------------- data -------------------------- //

/**
 * get Outlayer instance from element
 * @param {Element} elem
 * @returns {Outlayer}
 */
Outlayer.data = function( elem ) {
  elem = utils.getQueryElement( elem );
  var id = elem && elem.outlayerGUID;
  return id && instances[ id ];
};


// -------------------------- create Outlayer class -------------------------- //

/**
 * create a layout class
 * @param {String} namespace
 */
Outlayer.create = function( namespace, options ) {
  // sub-class Outlayer
  var Layout = subclass( Outlayer );
  // apply new options and compatOptions
  Layout.defaults = utils.extend( {}, Outlayer.defaults );
  utils.extend( Layout.defaults, options );
  Layout.compatOptions = utils.extend( {}, Outlayer.compatOptions  );

  Layout.namespace = namespace;

  Layout.data = Outlayer.data;

  // sub-class Item
  Layout.Item = subclass( Item );

  // -------------------------- declarative -------------------------- //

  utils.htmlInit( Layout, namespace );

  // -------------------------- jQuery bridge -------------------------- //

  // make into jQuery plugin
  if ( jQuery && jQuery.bridget ) {
    jQuery.bridget( namespace, Layout );
  }

  return Layout;
};

function subclass( Parent ) {
  function SubClass() {
    Parent.apply( this, arguments );
  }

  SubClass.prototype = Object.create( Parent.prototype );
  SubClass.prototype.constructor = SubClass;

  return SubClass;
}

// ----- fin ----- //

// back in global
Outlayer.Item = Item;

return Outlayer;

}));

/*!
 * Masonry v4.0.0
 * Cascading grid layout library
 * http://masonry.desandro.com
 * MIT License
 * by David DeSandro
 */

( function( window, factory ) {
  // universal module definition
  /* jshint strict: false */ /*globals define, module, require */
  if ( typeof define == 'function' && define.amd ) {
    // AMD
    define( [
        'outlayer/outlayer',
        'get-size/get-size'
      ],
      factory );
  } else if ( typeof module == 'object' && module.exports ) {
    // CommonJS
    module.exports = factory(
      require('outlayer'),
      require('get-size')
    );
  } else {
    // browser global
    window.Masonry = factory(
      window.Outlayer,
      window.getSize
    );
  }

}( window, function factory( Outlayer, getSize ) {



// -------------------------- masonryDefinition -------------------------- //

  // create an Outlayer layout class
  var Masonry = Outlayer.create('masonry');
  // isFitWidth -> fitWidth
  Masonry.compatOptions.fitWidth = 'isFitWidth';

  Masonry.prototype._resetLayout = function() {
    this.getSize();
    this._getMeasurement( 'columnWidth', 'outerWidth' );
    this._getMeasurement( 'gutter', 'outerWidth' );
    this.measureColumns();

    // reset column Y
    this.colYs = [];
    for ( var i=0; i < this.cols; i++ ) {
      this.colYs.push( 0 );
    }

    this.maxY = 0;
  };

  Masonry.prototype.measureColumns = function() {
    this.getContainerWidth();
    // if columnWidth is 0, default to outerWidth of first item
    if ( !this.columnWidth ) {
      var firstItem = this.items[0];
      var firstItemElem = firstItem && firstItem.element;
      // columnWidth fall back to item of first element
      this.columnWidth = firstItemElem && getSize( firstItemElem ).outerWidth ||
        // if first elem has no width, default to size of container
        this.containerWidth;
    }

    var columnWidth = this.columnWidth += this.gutter;

    // calculate columns
    var containerWidth = this.containerWidth + this.gutter;
    var cols = containerWidth / columnWidth;
    // fix rounding errors, typically with gutters
    var excess = columnWidth - containerWidth % columnWidth;
    // if overshoot is less than a pixel, round up, otherwise floor it
    var mathMethod = excess && excess < 1 ? 'round' : 'floor';
    cols = Math[ mathMethod ]( cols );
    this.cols = Math.max( cols, 1 );
  };

  Masonry.prototype.getContainerWidth = function() {
    // container is parent if fit width
    var isFitWidth = this._getOption('fitWidth');
    var container = isFitWidth ? this.element.parentNode : this.element;
    // check that this.size and size are there
    // IE8 triggers resize on body size change, so they might not be
    var size = getSize( container );
    this.containerWidth = size && size.innerWidth;
  };

  Masonry.prototype._getItemLayoutPosition = function( item ) {
    item.getSize();
    // how many columns does this brick span
    var remainder = item.size.outerWidth % this.columnWidth;
    var mathMethod = remainder && remainder < 1 ? 'round' : 'ceil';
    // round if off by 1 pixel, otherwise use ceil
    var colSpan = Math[ mathMethod ]( item.size.outerWidth / this.columnWidth );
    colSpan = Math.min( colSpan, this.cols );

    var colGroup = this._getColGroup( colSpan );
    // get the minimum Y value from the columns
    var minimumY = Math.min.apply( Math, colGroup );
    var shortColIndex = colGroup.indexOf( minimumY );

    // position the brick
    var position = {
      x: this.columnWidth * shortColIndex,
      y: minimumY
    };

    // apply setHeight to necessary columns
    var setHeight = minimumY + item.size.outerHeight;
    var setSpan = this.cols + 1 - colGroup.length;
    for ( var i = 0; i < setSpan; i++ ) {
      this.colYs[ shortColIndex + i ] = setHeight;
    }

    return position;
  };

  /**
   * @param {Number} colSpan - number of columns the element spans
   * @returns {Array} colGroup
   */
  Masonry.prototype._getColGroup = function( colSpan ) {
    if ( colSpan < 2 ) {
      // if brick spans only one column, use all the column Ys
      return this.colYs;
    }

    var colGroup = [];
    // how many different places could this brick fit horizontally
    var groupCount = this.cols + 1 - colSpan;
    // for each group potential horizontal position
    for ( var i = 0; i < groupCount; i++ ) {
      // make an array of colY values for that one group
      var groupColYs = this.colYs.slice( i, i + colSpan );
      // and get the max value of the array
      colGroup[i] = Math.max.apply( Math, groupColYs );
    }
    return colGroup;
  };

  Masonry.prototype._manageStamp = function( stamp ) {
    var stampSize = getSize( stamp );
    var offset = this._getElementOffset( stamp );
    // get the columns that this stamp affects
    var isOriginLeft = this._getOption('originLeft');
    var firstX = isOriginLeft ? offset.left : offset.right;
    var lastX = firstX + stampSize.outerWidth;
    var firstCol = Math.floor( firstX / this.columnWidth );
    firstCol = Math.max( 0, firstCol );
    var lastCol = Math.floor( lastX / this.columnWidth );
    // lastCol should not go over if multiple of columnWidth #425
    lastCol -= lastX % this.columnWidth ? 0 : 1;
    lastCol = Math.min( this.cols - 1, lastCol );
    // set colYs to bottom of the stamp

    var isOriginTop = this._getOption('originTop');
    var stampMaxY = ( isOriginTop ? offset.top : offset.bottom ) +
      stampSize.outerHeight;
    for ( var i = firstCol; i <= lastCol; i++ ) {
      this.colYs[i] = Math.max( stampMaxY, this.colYs[i] );
    }
  };

  Masonry.prototype._getContainerSize = function() {
    this.maxY = Math.max.apply( Math, this.colYs );
    var size = {
      height: this.maxY
    };

    if ( this._getOption('fitWidth') ) {
      size.width = this._getContainerFitWidth();
    }

    return size;
  };

  Masonry.prototype._getContainerFitWidth = function() {
    var unusedCols = 0;
    // count unused columns
    var i = this.cols;
    while ( --i ) {
      if ( this.colYs[i] !== 0 ) {
        break;
      }
      unusedCols++;
    }
    // fit container to columns that have been used
    return ( this.cols - unusedCols ) * this.columnWidth - this.gutter;
  };

  Masonry.prototype.needsResizeLayout = function() {
    var previousWidth = this.containerWidth;
    this.getContainerWidth();
    return previousWidth != this.containerWidth;
  };

  return Masonry;

}));

;
/*!
 * imagesLoaded PACKAGED v4.1.0
 * JavaScript is all like "You images are done yet or what?"
 * MIT License
 */

/**
 * EvEmitter v1.0.1
 * Lil' event emitter
 * MIT License
 */

/* jshint unused: true, undef: true, strict: true */

( function( global, factory ) {
  // universal module definition
  /* jshint strict: false */ /* globals define, module */
  if ( typeof define == 'function' && define.amd ) {
    // AMD - RequireJS
    define( 'ev-emitter/ev-emitter',factory );
  } else if ( typeof module == 'object' && module.exports ) {
    // CommonJS - Browserify, Webpack
    module.exports = factory();
  } else {
    // Browser globals
    global.EvEmitter = factory();
  }

}( this, function() {



function EvEmitter() {}

var proto = EvEmitter.prototype;

proto.on = function( eventName, listener ) {
  if ( !eventName || !listener ) {
    return;
  }
  // set events hash
  var events = this._events = this._events || {};
  // set listeners array
  var listeners = events[ eventName ] = events[ eventName ] || [];
  // only add once
  if ( listeners.indexOf( listener ) == -1 ) {
    listeners.push( listener );
  }

  return this;
};

proto.once = function( eventName, listener ) {
  if ( !eventName || !listener ) {
    return;
  }
  // add event
  this.on( eventName, listener );
  // set once flag
  // set onceEvents hash
  var onceEvents = this._onceEvents = this._onceEvents || {};
  // set onceListeners array
  var onceListeners = onceEvents[ eventName ] = onceEvents[ eventName ] || [];
  // set flag
  onceListeners[ listener ] = true;

  return this;
};

proto.off = function( eventName, listener ) {
  var listeners = this._events && this._events[ eventName ];
  if ( !listeners || !listeners.length ) {
    return;
  }
  var index = listeners.indexOf( listener );
  if ( index != -1 ) {
    listeners.splice( index, 1 );
  }

  return this;
};

proto.emitEvent = function( eventName, args ) {
  var listeners = this._events && this._events[ eventName ];
  if ( !listeners || !listeners.length ) {
    return;
  }
  var i = 0;
  var listener = listeners[i];
  args = args || [];
  // once stuff
  var onceListeners = this._onceEvents && this._onceEvents[ eventName ];

  while ( listener ) {
    var isOnce = onceListeners && onceListeners[ listener ];
    if ( isOnce ) {
      // remove listener
      // remove before trigger to prevent recursion
      this.off( eventName, listener );
      // unset once flag
      delete onceListeners[ listener ];
    }
    // trigger listener
    listener.apply( this, args );
    // get next listener
    i += isOnce ? 0 : 1;
    listener = listeners[i];
  }

  return this;
};

return EvEmitter;

}));

/*!
 * imagesLoaded v4.1.0
 * JavaScript is all like "You images are done yet or what?"
 * MIT License
 */

( function( window, factory ) { 'use strict';
  // universal module definition

  /*global define: false, module: false, require: false */

  if ( typeof define == 'function' && define.amd ) {
    // AMD
    define( [
      'ev-emitter/ev-emitter'
    ], function( EvEmitter ) {
      return factory( window, EvEmitter );
    });
  } else if ( typeof module == 'object' && module.exports ) {
    // CommonJS
    module.exports = factory(
      window,
      require('ev-emitter')
    );
  } else {
    // browser global
    window.imagesLoaded = factory(
      window,
      window.EvEmitter
    );
  }

})( window,

// --------------------------  factory -------------------------- //

function factory( window, EvEmitter ) {



var $ = window.jQuery;
var console = window.console;

// -------------------------- helpers -------------------------- //

// extend objects
function extend( a, b ) {
  for ( var prop in b ) {
    a[ prop ] = b[ prop ];
  }
  return a;
}

// turn element or nodeList into an array
function makeArray( obj ) {
  var ary = [];
  if ( Array.isArray( obj ) ) {
    // use object if already an array
    ary = obj;
  } else if ( typeof obj.length == 'number' ) {
    // convert nodeList to array
    for ( var i=0; i < obj.length; i++ ) {
      ary.push( obj[i] );
    }
  } else {
    // array of single index
    ary.push( obj );
  }
  return ary;
}

// -------------------------- imagesLoaded -------------------------- //

/**
 * @param {Array, Element, NodeList, String} elem
 * @param {Object or Function} options - if function, use as callback
 * @param {Function} onAlways - callback function
 */
function ImagesLoaded( elem, options, onAlways ) {
  // coerce ImagesLoaded() without new, to be new ImagesLoaded()
  if ( !( this instanceof ImagesLoaded ) ) {
    return new ImagesLoaded( elem, options, onAlways );
  }
  // use elem as selector string
  if ( typeof elem == 'string' ) {
    elem = document.querySelectorAll( elem );
  }

  this.elements = makeArray( elem );
  this.options = extend( {}, this.options );

  if ( typeof options == 'function' ) {
    onAlways = options;
  } else {
    extend( this.options, options );
  }

  if ( onAlways ) {
    this.on( 'always', onAlways );
  }

  this.getImages();

  if ( $ ) {
    // add jQuery Deferred object
    this.jqDeferred = new $.Deferred();
  }

  // HACK check async to allow time to bind listeners
  setTimeout( function() {
    this.check();
  }.bind( this ));
}

ImagesLoaded.prototype = Object.create( EvEmitter.prototype );

ImagesLoaded.prototype.options = {};

ImagesLoaded.prototype.getImages = function() {
  this.images = [];

  // filter & find items if we have an item selector
  this.elements.forEach( this.addElementImages, this );
};

/**
 * @param {Node} element
 */
ImagesLoaded.prototype.addElementImages = function( elem ) {
  // filter siblings
  if ( elem.nodeName == 'IMG' ) {
    this.addImage( elem );
  }
  // get background image on element
  if ( this.options.background === true ) {
    this.addElementBackgroundImages( elem );
  }

  // find children
  // no non-element nodes, #143
  var nodeType = elem.nodeType;
  if ( !nodeType || !elementNodeTypes[ nodeType ] ) {
    return;
  }
  var childImgs = elem.querySelectorAll('img');
  // concat childElems to filterFound array
  for ( var i=0; i < childImgs.length; i++ ) {
    var img = childImgs[i];
    this.addImage( img );
  }

  // get child background images
  if ( typeof this.options.background == 'string' ) {
    var children = elem.querySelectorAll( this.options.background );
    for ( i=0; i < children.length; i++ ) {
      var child = children[i];
      this.addElementBackgroundImages( child );
    }
  }
};

var elementNodeTypes = {
  1: true,
  9: true,
  11: true
};

ImagesLoaded.prototype.addElementBackgroundImages = function( elem ) {
  var style = getComputedStyle( elem );
  if ( !style ) {
    // Firefox returns null if in a hidden iframe https://bugzil.la/548397
    return;
  }
  // get url inside url("...")
  var reURL = /url\((['"])?(.*?)\1\)/gi;
  var matches = reURL.exec( style.backgroundImage );
  while ( matches !== null ) {
    var url = matches && matches[2];
    if ( url ) {
      this.addBackground( url, elem );
    }
    matches = reURL.exec( style.backgroundImage );
  }
};

/**
 * @param {Image} img
 */
ImagesLoaded.prototype.addImage = function( img ) {
  var loadingImage = new LoadingImage( img );
  this.images.push( loadingImage );
};

ImagesLoaded.prototype.addBackground = function( url, elem ) {
  var background = new Background( url, elem );
  this.images.push( background );
};

ImagesLoaded.prototype.check = function() {
  var _this = this;
  this.progressedCount = 0;
  this.hasAnyBroken = false;
  // complete if no images
  if ( !this.images.length ) {
    this.complete();
    return;
  }

  function onProgress( image, elem, message ) {
    // HACK - Chrome triggers event before object properties have changed. #83
    setTimeout( function() {
      _this.progress( image, elem, message );
    });
  }

  this.images.forEach( function( loadingImage ) {
    loadingImage.once( 'progress', onProgress );
    loadingImage.check();
  });
};

ImagesLoaded.prototype.progress = function( image, elem, message ) {
  this.progressedCount++;
  this.hasAnyBroken = this.hasAnyBroken || !image.isLoaded;
  // progress event
  this.emitEvent( 'progress', [ this, image, elem ] );
  if ( this.jqDeferred && this.jqDeferred.notify ) {
    this.jqDeferred.notify( this, image );
  }
  // check if completed
  if ( this.progressedCount == this.images.length ) {
    this.complete();
  }

  if ( this.options.debug && console ) {
    console.log( 'progress: ' + message, image, elem );
  }
};

ImagesLoaded.prototype.complete = function() {
  var eventName = this.hasAnyBroken ? 'fail' : 'done';
  this.isComplete = true;
  this.emitEvent( eventName, [ this ] );
  this.emitEvent( 'always', [ this ] );
  if ( this.jqDeferred ) {
    var jqMethod = this.hasAnyBroken ? 'reject' : 'resolve';
    this.jqDeferred[ jqMethod ]( this );
  }
};

// --------------------------  -------------------------- //

function LoadingImage( img ) {
  this.img = img;
}

LoadingImage.prototype = Object.create( EvEmitter.prototype );

LoadingImage.prototype.check = function() {
  // If complete is true and browser supports natural sizes,
  // try to check for image status manually.
  var isComplete = this.getIsImageComplete();
  if ( isComplete ) {
    // report based on naturalWidth
    this.confirm( this.img.naturalWidth !== 0, 'naturalWidth' );
    return;
  }

  // If none of the checks above matched, simulate loading on detached element.
  this.proxyImage = new Image();
  this.proxyImage.addEventListener( 'load', this );
  this.proxyImage.addEventListener( 'error', this );
  // bind to image as well for Firefox. #191
  this.img.addEventListener( 'load', this );
  this.img.addEventListener( 'error', this );
  this.proxyImage.src = this.img.src;
};

LoadingImage.prototype.getIsImageComplete = function() {
  return this.img.complete && this.img.naturalWidth !== undefined;
};

LoadingImage.prototype.confirm = function( isLoaded, message ) {
  this.isLoaded = isLoaded;
  this.emitEvent( 'progress', [ this, this.img, message ] );
};

// ----- events ----- //

// trigger specified handler for event type
LoadingImage.prototype.handleEvent = function( event ) {
  var method = 'on' + event.type;
  if ( this[ method ] ) {
    this[ method ]( event );
  }
};

LoadingImage.prototype.onload = function() {
  this.confirm( true, 'onload' );
  this.unbindEvents();
};

LoadingImage.prototype.onerror = function() {
  this.confirm( false, 'onerror' );
  this.unbindEvents();
};

LoadingImage.prototype.unbindEvents = function() {
  this.proxyImage.removeEventListener( 'load', this );
  this.proxyImage.removeEventListener( 'error', this );
  this.img.removeEventListener( 'load', this );
  this.img.removeEventListener( 'error', this );
};

// -------------------------- Background -------------------------- //

function Background( url, element ) {
  this.url = url;
  this.element = element;
  this.img = new Image();
}

// inherit LoadingImage prototype
Background.prototype = Object.create( LoadingImage.prototype );

Background.prototype.check = function() {
  this.img.addEventListener( 'load', this );
  this.img.addEventListener( 'error', this );
  this.img.src = this.url;
  // check if image is already complete
  var isComplete = this.getIsImageComplete();
  if ( isComplete ) {
    this.confirm( this.img.naturalWidth !== 0, 'naturalWidth' );
    this.unbindEvents();
  }
};

Background.prototype.unbindEvents = function() {
  this.img.removeEventListener( 'load', this );
  this.img.removeEventListener( 'error', this );
};

Background.prototype.confirm = function( isLoaded, message ) {
  this.isLoaded = isLoaded;
  this.emitEvent( 'progress', [ this, this.element, message ] );
};

// -------------------------- jQuery -------------------------- //

ImagesLoaded.makeJQueryPlugin = function( jQuery ) {
  jQuery = jQuery || window.jQuery;
  if ( !jQuery ) {
    return;
  }
  // set local variable
  $ = jQuery;
  // $().imagesLoaded()
  $.fn.imagesLoaded = function( options, callback ) {
    var instance = new ImagesLoaded( this, options, callback );
    return instance.jqDeferred.promise( $(this) );
  };
};
// try making plugin
ImagesLoaded.makeJQueryPlugin();

// --------------------------  -------------------------- //

return ImagesLoaded;

});

;
//! moment.js
//! version : 2.13.0
//! authors : Tim Wood, Iskren Chernev, Moment.js contributors
//! license : MIT
//! momentjs.com

;(function (global, factory) {
    typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() :
    typeof define === 'function' && define.amd ? define(factory) :
    global.moment = factory()
}(this, function () { 'use strict';

    var hookCallback;

    function utils_hooks__hooks () {
        return hookCallback.apply(null, arguments);
    }

    // This is done to register the method called with moment()
    // without creating circular dependencies.
    function setHookCallback (callback) {
        hookCallback = callback;
    }

    function isArray(input) {
        return input instanceof Array || Object.prototype.toString.call(input) === '[object Array]';
    }

    function isDate(input) {
        return input instanceof Date || Object.prototype.toString.call(input) === '[object Date]';
    }

    function map(arr, fn) {
        var res = [], i;
        for (i = 0; i < arr.length; ++i) {
            res.push(fn(arr[i], i));
        }
        return res;
    }

    function hasOwnProp(a, b) {
        return Object.prototype.hasOwnProperty.call(a, b);
    }

    function extend(a, b) {
        for (var i in b) {
            if (hasOwnProp(b, i)) {
                a[i] = b[i];
            }
        }

        if (hasOwnProp(b, 'toString')) {
            a.toString = b.toString;
        }

        if (hasOwnProp(b, 'valueOf')) {
            a.valueOf = b.valueOf;
        }

        return a;
    }

    function create_utc__createUTC (input, format, locale, strict) {
        return createLocalOrUTC(input, format, locale, strict, true).utc();
    }

    function defaultParsingFlags() {
        // We need to deep clone this object.
        return {
            empty           : false,
            unusedTokens    : [],
            unusedInput     : [],
            overflow        : -2,
            charsLeftOver   : 0,
            nullInput       : false,
            invalidMonth    : null,
            invalidFormat   : false,
            userInvalidated : false,
            iso             : false,
            parsedDateParts : [],
            meridiem        : null
        };
    }

    function getParsingFlags(m) {
        if (m._pf == null) {
            m._pf = defaultParsingFlags();
        }
        return m._pf;
    }

    var some;
    if (Array.prototype.some) {
        some = Array.prototype.some;
    } else {
        some = function (fun) {
            var t = Object(this);
            var len = t.length >>> 0;

            for (var i = 0; i < len; i++) {
                if (i in t && fun.call(this, t[i], i, t)) {
                    return true;
                }
            }

            return false;
        };
    }

    function valid__isValid(m) {
        if (m._isValid == null) {
            var flags = getParsingFlags(m);
            var parsedParts = some.call(flags.parsedDateParts, function (i) {
                return i != null;
            });
            m._isValid = !isNaN(m._d.getTime()) &&
                flags.overflow < 0 &&
                !flags.empty &&
                !flags.invalidMonth &&
                !flags.invalidWeekday &&
                !flags.nullInput &&
                !flags.invalidFormat &&
                !flags.userInvalidated &&
                (!flags.meridiem || (flags.meridiem && parsedParts));

            if (m._strict) {
                m._isValid = m._isValid &&
                    flags.charsLeftOver === 0 &&
                    flags.unusedTokens.length === 0 &&
                    flags.bigHour === undefined;
            }
        }
        return m._isValid;
    }

    function valid__createInvalid (flags) {
        var m = create_utc__createUTC(NaN);
        if (flags != null) {
            extend(getParsingFlags(m), flags);
        }
        else {
            getParsingFlags(m).userInvalidated = true;
        }

        return m;
    }

    function isUndefined(input) {
        return input === void 0;
    }

    // Plugins that add properties should also add the key here (null value),
    // so we can properly clone ourselves.
    var momentProperties = utils_hooks__hooks.momentProperties = [];

    function copyConfig(to, from) {
        var i, prop, val;

        if (!isUndefined(from._isAMomentObject)) {
            to._isAMomentObject = from._isAMomentObject;
        }
        if (!isUndefined(from._i)) {
            to._i = from._i;
        }
        if (!isUndefined(from._f)) {
            to._f = from._f;
        }
        if (!isUndefined(from._l)) {
            to._l = from._l;
        }
        if (!isUndefined(from._strict)) {
            to._strict = from._strict;
        }
        if (!isUndefined(from._tzm)) {
            to._tzm = from._tzm;
        }
        if (!isUndefined(from._isUTC)) {
            to._isUTC = from._isUTC;
        }
        if (!isUndefined(from._offset)) {
            to._offset = from._offset;
        }
        if (!isUndefined(from._pf)) {
            to._pf = getParsingFlags(from);
        }
        if (!isUndefined(from._locale)) {
            to._locale = from._locale;
        }

        if (momentProperties.length > 0) {
            for (i in momentProperties) {
                prop = momentProperties[i];
                val = from[prop];
                if (!isUndefined(val)) {
                    to[prop] = val;
                }
            }
        }

        return to;
    }

    var updateInProgress = false;

    // Moment prototype object
    function Moment(config) {
        copyConfig(this, config);
        this._d = new Date(config._d != null ? config._d.getTime() : NaN);
        // Prevent infinite loop in case updateOffset creates new moment
        // objects.
        if (updateInProgress === false) {
            updateInProgress = true;
            utils_hooks__hooks.updateOffset(this);
            updateInProgress = false;
        }
    }

    function isMoment (obj) {
        return obj instanceof Moment || (obj != null && obj._isAMomentObject != null);
    }

    function absFloor (number) {
        if (number < 0) {
            return Math.ceil(number);
        } else {
            return Math.floor(number);
        }
    }

    function toInt(argumentForCoercion) {
        var coercedNumber = +argumentForCoercion,
            value = 0;

        if (coercedNumber !== 0 && isFinite(coercedNumber)) {
            value = absFloor(coercedNumber);
        }

        return value;
    }

    // compare two arrays, return the number of differences
    function compareArrays(array1, array2, dontConvert) {
        var len = Math.min(array1.length, array2.length),
            lengthDiff = Math.abs(array1.length - array2.length),
            diffs = 0,
            i;
        for (i = 0; i < len; i++) {
            if ((dontConvert && array1[i] !== array2[i]) ||
                (!dontConvert && toInt(array1[i]) !== toInt(array2[i]))) {
                diffs++;
            }
        }
        return diffs + lengthDiff;
    }

    function warn(msg) {
        if (utils_hooks__hooks.suppressDeprecationWarnings === false &&
                (typeof console !==  'undefined') && console.warn) {
            console.warn('Deprecation warning: ' + msg);
        }
    }

    function deprecate(msg, fn) {
        var firstTime = true;

        return extend(function () {
            if (utils_hooks__hooks.deprecationHandler != null) {
                utils_hooks__hooks.deprecationHandler(null, msg);
            }
            if (firstTime) {
                warn(msg + '\nArguments: ' + Array.prototype.slice.call(arguments).join(', ') + '\n' + (new Error()).stack);
                firstTime = false;
            }
            return fn.apply(this, arguments);
        }, fn);
    }

    var deprecations = {};

    function deprecateSimple(name, msg) {
        if (utils_hooks__hooks.deprecationHandler != null) {
            utils_hooks__hooks.deprecationHandler(name, msg);
        }
        if (!deprecations[name]) {
            warn(msg);
            deprecations[name] = true;
        }
    }

    utils_hooks__hooks.suppressDeprecationWarnings = false;
    utils_hooks__hooks.deprecationHandler = null;

    function isFunction(input) {
        return input instanceof Function || Object.prototype.toString.call(input) === '[object Function]';
    }

    function isObject(input) {
        return Object.prototype.toString.call(input) === '[object Object]';
    }

    function locale_set__set (config) {
        var prop, i;
        for (i in config) {
            prop = config[i];
            if (isFunction(prop)) {
                this[i] = prop;
            } else {
                this['_' + i] = prop;
            }
        }
        this._config = config;
        // Lenient ordinal parsing accepts just a number in addition to
        // number + (possibly) stuff coming from _ordinalParseLenient.
        this._ordinalParseLenient = new RegExp(this._ordinalParse.source + '|' + (/\d{1,2}/).source);
    }

    function mergeConfigs(parentConfig, childConfig) {
        var res = extend({}, parentConfig), prop;
        for (prop in childConfig) {
            if (hasOwnProp(childConfig, prop)) {
                if (isObject(parentConfig[prop]) && isObject(childConfig[prop])) {
                    res[prop] = {};
                    extend(res[prop], parentConfig[prop]);
                    extend(res[prop], childConfig[prop]);
                } else if (childConfig[prop] != null) {
                    res[prop] = childConfig[prop];
                } else {
                    delete res[prop];
                }
            }
        }
        return res;
    }

    function Locale(config) {
        if (config != null) {
            this.set(config);
        }
    }

    var keys;

    if (Object.keys) {
        keys = Object.keys;
    } else {
        keys = function (obj) {
            var i, res = [];
            for (i in obj) {
                if (hasOwnProp(obj, i)) {
                    res.push(i);
                }
            }
            return res;
        };
    }

    // internal storage for locale config files
    var locales = {};
    var globalLocale;

    function normalizeLocale(key) {
        return key ? key.toLowerCase().replace('_', '-') : key;
    }

    // pick the locale from the array
    // try ['en-au', 'en-gb'] as 'en-au', 'en-gb', 'en', as in move through the list trying each
    // substring from most specific to least, but move to the next array item if it's a more specific variant than the current root
    function chooseLocale(names) {
        var i = 0, j, next, locale, split;

        while (i < names.length) {
            split = normalizeLocale(names[i]).split('-');
            j = split.length;
            next = normalizeLocale(names[i + 1]);
            next = next ? next.split('-') : null;
            while (j > 0) {
                locale = loadLocale(split.slice(0, j).join('-'));
                if (locale) {
                    return locale;
                }
                if (next && next.length >= j && compareArrays(split, next, true) >= j - 1) {
                    //the next array item is better than a shallower substring of this one
                    break;
                }
                j--;
            }
            i++;
        }
        return null;
    }

    function loadLocale(name) {
        var oldLocale = null;
        // TODO: Find a better way to register and load all the locales in Node
        if (!locales[name] && (typeof module !== 'undefined') &&
                module && module.exports) {
            try {
                oldLocale = globalLocale._abbr;
                require('./locale/' + name);
                // because defineLocale currently also sets the global locale, we
                // want to undo that for lazy loaded locales
                locale_locales__getSetGlobalLocale(oldLocale);
            } catch (e) { }
        }
        return locales[name];
    }

    // This function will load locale and then set the global locale.  If
    // no arguments are passed in, it will simply return the current global
    // locale key.
    function locale_locales__getSetGlobalLocale (key, values) {
        var data;
        if (key) {
            if (isUndefined(values)) {
                data = locale_locales__getLocale(key);
            }
            else {
                data = defineLocale(key, values);
            }

            if (data) {
                // moment.duration._locale = moment._locale = data;
                globalLocale = data;
            }
        }

        return globalLocale._abbr;
    }

    function defineLocale (name, config) {
        if (config !== null) {
            config.abbr = name;
            if (locales[name] != null) {
                deprecateSimple('defineLocaleOverride',
                        'use moment.updateLocale(localeName, config) to change ' +
                        'an existing locale. moment.defineLocale(localeName, ' +
                        'config) should only be used for creating a new locale');
                config = mergeConfigs(locales[name]._config, config);
            } else if (config.parentLocale != null) {
                if (locales[config.parentLocale] != null) {
                    config = mergeConfigs(locales[config.parentLocale]._config, config);
                } else {
                    // treat as if there is no base config
                    deprecateSimple('parentLocaleUndefined',
                            'specified parentLocale is not defined yet');
                }
            }
            locales[name] = new Locale(config);

            // backwards compat for now: also set the locale
            locale_locales__getSetGlobalLocale(name);

            return locales[name];
        } else {
            // useful for testing
            delete locales[name];
            return null;
        }
    }

    function updateLocale(name, config) {
        if (config != null) {
            var locale;
            if (locales[name] != null) {
                config = mergeConfigs(locales[name]._config, config);
            }
            locale = new Locale(config);
            locale.parentLocale = locales[name];
            locales[name] = locale;

            // backwards compat for now: also set the locale
            locale_locales__getSetGlobalLocale(name);
        } else {
            // pass null for config to unupdate, useful for tests
            if (locales[name] != null) {
                if (locales[name].parentLocale != null) {
                    locales[name] = locales[name].parentLocale;
                } else if (locales[name] != null) {
                    delete locales[name];
                }
            }
        }
        return locales[name];
    }

    // returns locale data
    function locale_locales__getLocale (key) {
        var locale;

        if (key && key._locale && key._locale._abbr) {
            key = key._locale._abbr;
        }

        if (!key) {
            return globalLocale;
        }

        if (!isArray(key)) {
            //short-circuit everything else
            locale = loadLocale(key);
            if (locale) {
                return locale;
            }
            key = [key];
        }

        return chooseLocale(key);
    }

    function locale_locales__listLocales() {
        return keys(locales);
    }

    var aliases = {};

    function addUnitAlias (unit, shorthand) {
        var lowerCase = unit.toLowerCase();
        aliases[lowerCase] = aliases[lowerCase + 's'] = aliases[shorthand] = unit;
    }

    function normalizeUnits(units) {
        return typeof units === 'string' ? aliases[units] || aliases[units.toLowerCase()] : undefined;
    }

    function normalizeObjectUnits(inputObject) {
        var normalizedInput = {},
            normalizedProp,
            prop;

        for (prop in inputObject) {
            if (hasOwnProp(inputObject, prop)) {
                normalizedProp = normalizeUnits(prop);
                if (normalizedProp) {
                    normalizedInput[normalizedProp] = inputObject[prop];
                }
            }
        }

        return normalizedInput;
    }

    function makeGetSet (unit, keepTime) {
        return function (value) {
            if (value != null) {
                get_set__set(this, unit, value);
                utils_hooks__hooks.updateOffset(this, keepTime);
                return this;
            } else {
                return get_set__get(this, unit);
            }
        };
    }

    function get_set__get (mom, unit) {
        return mom.isValid() ?
            mom._d['get' + (mom._isUTC ? 'UTC' : '') + unit]() : NaN;
    }

    function get_set__set (mom, unit, value) {
        if (mom.isValid()) {
            mom._d['set' + (mom._isUTC ? 'UTC' : '') + unit](value);
        }
    }

    // MOMENTS

    function getSet (units, value) {
        var unit;
        if (typeof units === 'object') {
            for (unit in units) {
                this.set(unit, units[unit]);
            }
        } else {
            units = normalizeUnits(units);
            if (isFunction(this[units])) {
                return this[units](value);
            }
        }
        return this;
    }

    function zeroFill(number, targetLength, forceSign) {
        var absNumber = '' + Math.abs(number),
            zerosToFill = targetLength - absNumber.length,
            sign = number >= 0;
        return (sign ? (forceSign ? '+' : '') : '-') +
            Math.pow(10, Math.max(0, zerosToFill)).toString().substr(1) + absNumber;
    }

    var formattingTokens = /(\[[^\[]*\])|(\\)?([Hh]mm(ss)?|Mo|MM?M?M?|Do|DDDo|DD?D?D?|ddd?d?|do?|w[o|w]?|W[o|W]?|Qo?|YYYYYY|YYYYY|YYYY|YY|gg(ggg?)?|GG(GGG?)?|e|E|a|A|hh?|HH?|kk?|mm?|ss?|S{1,9}|x|X|zz?|ZZ?|.)/g;

    var localFormattingTokens = /(\[[^\[]*\])|(\\)?(LTS|LT|LL?L?L?|l{1,4})/g;

    var formatFunctions = {};

    var formatTokenFunctions = {};

    // token:    'M'
    // padded:   ['MM', 2]
    // ordinal:  'Mo'
    // callback: function () { this.month() + 1 }
    function addFormatToken (token, padded, ordinal, callback) {
        var func = callback;
        if (typeof callback === 'string') {
            func = function () {
                return this[callback]();
            };
        }
        if (token) {
            formatTokenFunctions[token] = func;
        }
        if (padded) {
            formatTokenFunctions[padded[0]] = function () {
                return zeroFill(func.apply(this, arguments), padded[1], padded[2]);
            };
        }
        if (ordinal) {
            formatTokenFunctions[ordinal] = function () {
                return this.localeData().ordinal(func.apply(this, arguments), token);
            };
        }
    }

    function removeFormattingTokens(input) {
        if (input.match(/\[[\s\S]/)) {
            return input.replace(/^\[|\]$/g, '');
        }
        return input.replace(/\\/g, '');
    }

    function makeFormatFunction(format) {
        var array = format.match(formattingTokens), i, length;

        for (i = 0, length = array.length; i < length; i++) {
            if (formatTokenFunctions[array[i]]) {
                array[i] = formatTokenFunctions[array[i]];
            } else {
                array[i] = removeFormattingTokens(array[i]);
            }
        }

        return function (mom) {
            var output = '', i;
            for (i = 0; i < length; i++) {
                output += array[i] instanceof Function ? array[i].call(mom, format) : array[i];
            }
            return output;
        };
    }

    // format date using native date object
    function formatMoment(m, format) {
        if (!m.isValid()) {
            return m.localeData().invalidDate();
        }

        format = expandFormat(format, m.localeData());
        formatFunctions[format] = formatFunctions[format] || makeFormatFunction(format);

        return formatFunctions[format](m);
    }

    function expandFormat(format, locale) {
        var i = 5;

        function replaceLongDateFormatTokens(input) {
            return locale.longDateFormat(input) || input;
        }

        localFormattingTokens.lastIndex = 0;
        while (i >= 0 && localFormattingTokens.test(format)) {
            format = format.replace(localFormattingTokens, replaceLongDateFormatTokens);
            localFormattingTokens.lastIndex = 0;
            i -= 1;
        }

        return format;
    }

    var match1         = /\d/;            //       0 - 9
    var match2         = /\d\d/;          //      00 - 99
    var match3         = /\d{3}/;         //     000 - 999
    var match4         = /\d{4}/;         //    0000 - 9999
    var match6         = /[+-]?\d{6}/;    // -999999 - 999999
    var match1to2      = /\d\d?/;         //       0 - 99
    var match3to4      = /\d\d\d\d?/;     //     999 - 9999
    var match5to6      = /\d\d\d\d\d\d?/; //   99999 - 999999
    var match1to3      = /\d{1,3}/;       //       0 - 999
    var match1to4      = /\d{1,4}/;       //       0 - 9999
    var match1to6      = /[+-]?\d{1,6}/;  // -999999 - 999999

    var matchUnsigned  = /\d+/;           //       0 - inf
    var matchSigned    = /[+-]?\d+/;      //    -inf - inf

    var matchOffset    = /Z|[+-]\d\d:?\d\d/gi; // +00:00 -00:00 +0000 -0000 or Z
    var matchShortOffset = /Z|[+-]\d\d(?::?\d\d)?/gi; // +00 -00 +00:00 -00:00 +0000 -0000 or Z

    var matchTimestamp = /[+-]?\d+(\.\d{1,3})?/; // 123456789 123456789.123

    // any word (or two) characters or numbers including two/three word month in arabic.
    // includes scottish gaelic two word and hyphenated months
    var matchWord = /[0-9]*['a-z\u00A0-\u05FF\u0700-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF]+|[\u0600-\u06FF\/]+(\s*?[\u0600-\u06FF]+){1,2}/i;


    var regexes = {};

    function addRegexToken (token, regex, strictRegex) {
        regexes[token] = isFunction(regex) ? regex : function (isStrict, localeData) {
            return (isStrict && strictRegex) ? strictRegex : regex;
        };
    }

    function getParseRegexForToken (token, config) {
        if (!hasOwnProp(regexes, token)) {
            return new RegExp(unescapeFormat(token));
        }

        return regexes[token](config._strict, config._locale);
    }

    // Code from http://stackoverflow.com/questions/3561493/is-there-a-regexp-escape-function-in-javascript
    function unescapeFormat(s) {
        return regexEscape(s.replace('\\', '').replace(/\\(\[)|\\(\])|\[([^\]\[]*)\]|\\(.)/g, function (matched, p1, p2, p3, p4) {
            return p1 || p2 || p3 || p4;
        }));
    }

    function regexEscape(s) {
        return s.replace(/[-\/\\^$*+?.()|[\]{}]/g, '\\$&');
    }

    var tokens = {};

    function addParseToken (token, callback) {
        var i, func = callback;
        if (typeof token === 'string') {
            token = [token];
        }
        if (typeof callback === 'number') {
            func = function (input, array) {
                array[callback] = toInt(input);
            };
        }
        for (i = 0; i < token.length; i++) {
            tokens[token[i]] = func;
        }
    }

    function addWeekParseToken (token, callback) {
        addParseToken(token, function (input, array, config, token) {
            config._w = config._w || {};
            callback(input, config._w, config, token);
        });
    }

    function addTimeToArrayFromToken(token, input, config) {
        if (input != null && hasOwnProp(tokens, token)) {
            tokens[token](input, config._a, config, token);
        }
    }

    var YEAR = 0;
    var MONTH = 1;
    var DATE = 2;
    var HOUR = 3;
    var MINUTE = 4;
    var SECOND = 5;
    var MILLISECOND = 6;
    var WEEK = 7;
    var WEEKDAY = 8;

    var indexOf;

    if (Array.prototype.indexOf) {
        indexOf = Array.prototype.indexOf;
    } else {
        indexOf = function (o) {
            // I know
            var i;
            for (i = 0; i < this.length; ++i) {
                if (this[i] === o) {
                    return i;
                }
            }
            return -1;
        };
    }

    function daysInMonth(year, month) {
        return new Date(Date.UTC(year, month + 1, 0)).getUTCDate();
    }

    // FORMATTING

    addFormatToken('M', ['MM', 2], 'Mo', function () {
        return this.month() + 1;
    });

    addFormatToken('MMM', 0, 0, function (format) {
        return this.localeData().monthsShort(this, format);
    });

    addFormatToken('MMMM', 0, 0, function (format) {
        return this.localeData().months(this, format);
    });

    // ALIASES

    addUnitAlias('month', 'M');

    // PARSING

    addRegexToken('M',    match1to2);
    addRegexToken('MM',   match1to2, match2);
    addRegexToken('MMM',  function (isStrict, locale) {
        return locale.monthsShortRegex(isStrict);
    });
    addRegexToken('MMMM', function (isStrict, locale) {
        return locale.monthsRegex(isStrict);
    });

    addParseToken(['M', 'MM'], function (input, array) {
        array[MONTH] = toInt(input) - 1;
    });

    addParseToken(['MMM', 'MMMM'], function (input, array, config, token) {
        var month = config._locale.monthsParse(input, token, config._strict);
        // if we didn't find a month name, mark the date as invalid.
        if (month != null) {
            array[MONTH] = month;
        } else {
            getParsingFlags(config).invalidMonth = input;
        }
    });

    // LOCALES

    var MONTHS_IN_FORMAT = /D[oD]?(\[[^\[\]]*\]|\s+)+MMMM?/;
    var defaultLocaleMonths = 'January_February_March_April_May_June_July_August_September_October_November_December'.split('_');
    function localeMonths (m, format) {
        return isArray(this._months) ? this._months[m.month()] :
            this._months[MONTHS_IN_FORMAT.test(format) ? 'format' : 'standalone'][m.month()];
    }

    var defaultLocaleMonthsShort = 'Jan_Feb_Mar_Apr_May_Jun_Jul_Aug_Sep_Oct_Nov_Dec'.split('_');
    function localeMonthsShort (m, format) {
        return isArray(this._monthsShort) ? this._monthsShort[m.month()] :
            this._monthsShort[MONTHS_IN_FORMAT.test(format) ? 'format' : 'standalone'][m.month()];
    }

    function units_month__handleStrictParse(monthName, format, strict) {
        var i, ii, mom, llc = monthName.toLocaleLowerCase();
        if (!this._monthsParse) {
            // this is not used
            this._monthsParse = [];
            this._longMonthsParse = [];
            this._shortMonthsParse = [];
            for (i = 0; i < 12; ++i) {
                mom = create_utc__createUTC([2000, i]);
                this._shortMonthsParse[i] = this.monthsShort(mom, '').toLocaleLowerCase();
                this._longMonthsParse[i] = this.months(mom, '').toLocaleLowerCase();
            }
        }

        if (strict) {
            if (format === 'MMM') {
                ii = indexOf.call(this._shortMonthsParse, llc);
                return ii !== -1 ? ii : null;
            } else {
                ii = indexOf.call(this._longMonthsParse, llc);
                return ii !== -1 ? ii : null;
            }
        } else {
            if (format === 'MMM') {
                ii = indexOf.call(this._shortMonthsParse, llc);
                if (ii !== -1) {
                    return ii;
                }
                ii = indexOf.call(this._longMonthsParse, llc);
                return ii !== -1 ? ii : null;
            } else {
                ii = indexOf.call(this._longMonthsParse, llc);
                if (ii !== -1) {
                    return ii;
                }
                ii = indexOf.call(this._shortMonthsParse, llc);
                return ii !== -1 ? ii : null;
            }
        }
    }

    function localeMonthsParse (monthName, format, strict) {
        var i, mom, regex;

        if (this._monthsParseExact) {
            return units_month__handleStrictParse.call(this, monthName, format, strict);
        }

        if (!this._monthsParse) {
            this._monthsParse = [];
            this._longMonthsParse = [];
            this._shortMonthsParse = [];
        }

        // TODO: add sorting
        // Sorting makes sure if one month (or abbr) is a prefix of another
        // see sorting in computeMonthsParse
        for (i = 0; i < 12; i++) {
            // make the regex if we don't have it already
            mom = create_utc__createUTC([2000, i]);
            if (strict && !this._longMonthsParse[i]) {
                this._longMonthsParse[i] = new RegExp('^' + this.months(mom, '').replace('.', '') + '$', 'i');
                this._shortMonthsParse[i] = new RegExp('^' + this.monthsShort(mom, '').replace('.', '') + '$', 'i');
            }
            if (!strict && !this._monthsParse[i]) {
                regex = '^' + this.months(mom, '') + '|^' + this.monthsShort(mom, '');
                this._monthsParse[i] = new RegExp(regex.replace('.', ''), 'i');
            }
            // test the regex
            if (strict && format === 'MMMM' && this._longMonthsParse[i].test(monthName)) {
                return i;
            } else if (strict && format === 'MMM' && this._shortMonthsParse[i].test(monthName)) {
                return i;
            } else if (!strict && this._monthsParse[i].test(monthName)) {
                return i;
            }
        }
    }

    // MOMENTS

    function setMonth (mom, value) {
        var dayOfMonth;

        if (!mom.isValid()) {
            // No op
            return mom;
        }

        if (typeof value === 'string') {
            if (/^\d+$/.test(value)) {
                value = toInt(value);
            } else {
                value = mom.localeData().monthsParse(value);
                // TODO: Another silent failure?
                if (typeof value !== 'number') {
                    return mom;
                }
            }
        }

        dayOfMonth = Math.min(mom.date(), daysInMonth(mom.year(), value));
        mom._d['set' + (mom._isUTC ? 'UTC' : '') + 'Month'](value, dayOfMonth);
        return mom;
    }

    function getSetMonth (value) {
        if (value != null) {
            setMonth(this, value);
            utils_hooks__hooks.updateOffset(this, true);
            return this;
        } else {
            return get_set__get(this, 'Month');
        }
    }

    function getDaysInMonth () {
        return daysInMonth(this.year(), this.month());
    }

    var defaultMonthsShortRegex = matchWord;
    function monthsShortRegex (isStrict) {
        if (this._monthsParseExact) {
            if (!hasOwnProp(this, '_monthsRegex')) {
                computeMonthsParse.call(this);
            }
            if (isStrict) {
                return this._monthsShortStrictRegex;
            } else {
                return this._monthsShortRegex;
            }
        } else {
            return this._monthsShortStrictRegex && isStrict ?
                this._monthsShortStrictRegex : this._monthsShortRegex;
        }
    }

    var defaultMonthsRegex = matchWord;
    function monthsRegex (isStrict) {
        if (this._monthsParseExact) {
            if (!hasOwnProp(this, '_monthsRegex')) {
                computeMonthsParse.call(this);
            }
            if (isStrict) {
                return this._monthsStrictRegex;
            } else {
                return this._monthsRegex;
            }
        } else {
            return this._monthsStrictRegex && isStrict ?
                this._monthsStrictRegex : this._monthsRegex;
        }
    }

    function computeMonthsParse () {
        function cmpLenRev(a, b) {
            return b.length - a.length;
        }

        var shortPieces = [], longPieces = [], mixedPieces = [],
            i, mom;
        for (i = 0; i < 12; i++) {
            // make the regex if we don't have it already
            mom = create_utc__createUTC([2000, i]);
            shortPieces.push(this.monthsShort(mom, ''));
            longPieces.push(this.months(mom, ''));
            mixedPieces.push(this.months(mom, ''));
            mixedPieces.push(this.monthsShort(mom, ''));
        }
        // Sorting makes sure if one month (or abbr) is a prefix of another it
        // will match the longer piece.
        shortPieces.sort(cmpLenRev);
        longPieces.sort(cmpLenRev);
        mixedPieces.sort(cmpLenRev);
        for (i = 0; i < 12; i++) {
            shortPieces[i] = regexEscape(shortPieces[i]);
            longPieces[i] = regexEscape(longPieces[i]);
            mixedPieces[i] = regexEscape(mixedPieces[i]);
        }

        this._monthsRegex = new RegExp('^(' + mixedPieces.join('|') + ')', 'i');
        this._monthsShortRegex = this._monthsRegex;
        this._monthsStrictRegex = new RegExp('^(' + longPieces.join('|') + ')', 'i');
        this._monthsShortStrictRegex = new RegExp('^(' + shortPieces.join('|') + ')', 'i');
    }

    function checkOverflow (m) {
        var overflow;
        var a = m._a;

        if (a && getParsingFlags(m).overflow === -2) {
            overflow =
                a[MONTH]       < 0 || a[MONTH]       > 11  ? MONTH :
                a[DATE]        < 1 || a[DATE]        > daysInMonth(a[YEAR], a[MONTH]) ? DATE :
                a[HOUR]        < 0 || a[HOUR]        > 24 || (a[HOUR] === 24 && (a[MINUTE] !== 0 || a[SECOND] !== 0 || a[MILLISECOND] !== 0)) ? HOUR :
                a[MINUTE]      < 0 || a[MINUTE]      > 59  ? MINUTE :
                a[SECOND]      < 0 || a[SECOND]      > 59  ? SECOND :
                a[MILLISECOND] < 0 || a[MILLISECOND] > 999 ? MILLISECOND :
                -1;

            if (getParsingFlags(m)._overflowDayOfYear && (overflow < YEAR || overflow > DATE)) {
                overflow = DATE;
            }
            if (getParsingFlags(m)._overflowWeeks && overflow === -1) {
                overflow = WEEK;
            }
            if (getParsingFlags(m)._overflowWeekday && overflow === -1) {
                overflow = WEEKDAY;
            }

            getParsingFlags(m).overflow = overflow;
        }

        return m;
    }

    // iso 8601 regex
    // 0000-00-00 0000-W00 or 0000-W00-0 + T + 00 or 00:00 or 00:00:00 or 00:00:00.000 + +00:00 or +0000 or +00)
    var extendedIsoRegex = /^\s*((?:[+-]\d{6}|\d{4})-(?:\d\d-\d\d|W\d\d-\d|W\d\d|\d\d\d|\d\d))(?:(T| )(\d\d(?::\d\d(?::\d\d(?:[.,]\d+)?)?)?)([\+\-]\d\d(?::?\d\d)?|\s*Z)?)?/;
    var basicIsoRegex = /^\s*((?:[+-]\d{6}|\d{4})(?:\d\d\d\d|W\d\d\d|W\d\d|\d\d\d|\d\d))(?:(T| )(\d\d(?:\d\d(?:\d\d(?:[.,]\d+)?)?)?)([\+\-]\d\d(?::?\d\d)?|\s*Z)?)?/;

    var tzRegex = /Z|[+-]\d\d(?::?\d\d)?/;

    var isoDates = [
        ['YYYYYY-MM-DD', /[+-]\d{6}-\d\d-\d\d/],
        ['YYYY-MM-DD', /\d{4}-\d\d-\d\d/],
        ['GGGG-[W]WW-E', /\d{4}-W\d\d-\d/],
        ['GGGG-[W]WW', /\d{4}-W\d\d/, false],
        ['YYYY-DDD', /\d{4}-\d{3}/],
        ['YYYY-MM', /\d{4}-\d\d/, false],
        ['YYYYYYMMDD', /[+-]\d{10}/],
        ['YYYYMMDD', /\d{8}/],
        // YYYYMM is NOT allowed by the standard
        ['GGGG[W]WWE', /\d{4}W\d{3}/],
        ['GGGG[W]WW', /\d{4}W\d{2}/, false],
        ['YYYYDDD', /\d{7}/]
    ];

    // iso time formats and regexes
    var isoTimes = [
        ['HH:mm:ss.SSSS', /\d\d:\d\d:\d\d\.\d+/],
        ['HH:mm:ss,SSSS', /\d\d:\d\d:\d\d,\d+/],
        ['HH:mm:ss', /\d\d:\d\d:\d\d/],
        ['HH:mm', /\d\d:\d\d/],
        ['HHmmss.SSSS', /\d\d\d\d\d\d\.\d+/],
        ['HHmmss,SSSS', /\d\d\d\d\d\d,\d+/],
        ['HHmmss', /\d\d\d\d\d\d/],
        ['HHmm', /\d\d\d\d/],
        ['HH', /\d\d/]
    ];

    var aspNetJsonRegex = /^\/?Date\((\-?\d+)/i;

    // date from iso format
    function configFromISO(config) {
        var i, l,
            string = config._i,
            match = extendedIsoRegex.exec(string) || basicIsoRegex.exec(string),
            allowTime, dateFormat, timeFormat, tzFormat;

        if (match) {
            getParsingFlags(config).iso = true;

            for (i = 0, l = isoDates.length; i < l; i++) {
                if (isoDates[i][1].exec(match[1])) {
                    dateFormat = isoDates[i][0];
                    allowTime = isoDates[i][2] !== false;
                    break;
                }
            }
            if (dateFormat == null) {
                config._isValid = false;
                return;
            }
            if (match[3]) {
                for (i = 0, l = isoTimes.length; i < l; i++) {
                    if (isoTimes[i][1].exec(match[3])) {
                        // match[2] should be 'T' or space
                        timeFormat = (match[2] || ' ') + isoTimes[i][0];
                        break;
                    }
                }
                if (timeFormat == null) {
                    config._isValid = false;
                    return;
                }
            }
            if (!allowTime && timeFormat != null) {
                config._isValid = false;
                return;
            }
            if (match[4]) {
                if (tzRegex.exec(match[4])) {
                    tzFormat = 'Z';
                } else {
                    config._isValid = false;
                    return;
                }
            }
            config._f = dateFormat + (timeFormat || '') + (tzFormat || '');
            configFromStringAndFormat(config);
        } else {
            config._isValid = false;
        }
    }

    // date from iso format or fallback
    function configFromString(config) {
        var matched = aspNetJsonRegex.exec(config._i);

        if (matched !== null) {
            config._d = new Date(+matched[1]);
            return;
        }

        configFromISO(config);
        if (config._isValid === false) {
            delete config._isValid;
            utils_hooks__hooks.createFromInputFallback(config);
        }
    }

    utils_hooks__hooks.createFromInputFallback = deprecate(
        'moment construction falls back to js Date. This is ' +
        'discouraged and will be removed in upcoming major ' +
        'release. Please refer to ' +
        'https://github.com/moment/moment/issues/1407 for more info.',
        function (config) {
            config._d = new Date(config._i + (config._useUTC ? ' UTC' : ''));
        }
    );

    function createDate (y, m, d, h, M, s, ms) {
        //can't just apply() to create a date:
        //http://stackoverflow.com/questions/181348/instantiating-a-javascript-object-by-calling-prototype-constructor-apply
        var date = new Date(y, m, d, h, M, s, ms);

        //the date constructor remaps years 0-99 to 1900-1999
        if (y < 100 && y >= 0 && isFinite(date.getFullYear())) {
            date.setFullYear(y);
        }
        return date;
    }

    function createUTCDate (y) {
        var date = new Date(Date.UTC.apply(null, arguments));

        //the Date.UTC function remaps years 0-99 to 1900-1999
        if (y < 100 && y >= 0 && isFinite(date.getUTCFullYear())) {
            date.setUTCFullYear(y);
        }
        return date;
    }

    // FORMATTING

    addFormatToken('Y', 0, 0, function () {
        var y = this.year();
        return y <= 9999 ? '' + y : '+' + y;
    });

    addFormatToken(0, ['YY', 2], 0, function () {
        return this.year() % 100;
    });

    addFormatToken(0, ['YYYY',   4],       0, 'year');
    addFormatToken(0, ['YYYYY',  5],       0, 'year');
    addFormatToken(0, ['YYYYYY', 6, true], 0, 'year');

    // ALIASES

    addUnitAlias('year', 'y');

    // PARSING

    addRegexToken('Y',      matchSigned);
    addRegexToken('YY',     match1to2, match2);
    addRegexToken('YYYY',   match1to4, match4);
    addRegexToken('YYYYY',  match1to6, match6);
    addRegexToken('YYYYYY', match1to6, match6);

    addParseToken(['YYYYY', 'YYYYYY'], YEAR);
    addParseToken('YYYY', function (input, array) {
        array[YEAR] = input.length === 2 ? utils_hooks__hooks.parseTwoDigitYear(input) : toInt(input);
    });
    addParseToken('YY', function (input, array) {
        array[YEAR] = utils_hooks__hooks.parseTwoDigitYear(input);
    });
    addParseToken('Y', function (input, array) {
        array[YEAR] = parseInt(input, 10);
    });

    // HELPERS

    function daysInYear(year) {
        return isLeapYear(year) ? 366 : 365;
    }

    function isLeapYear(year) {
        return (year % 4 === 0 && year % 100 !== 0) || year % 400 === 0;
    }

    // HOOKS

    utils_hooks__hooks.parseTwoDigitYear = function (input) {
        return toInt(input) + (toInt(input) > 68 ? 1900 : 2000);
    };

    // MOMENTS

    var getSetYear = makeGetSet('FullYear', true);

    function getIsLeapYear () {
        return isLeapYear(this.year());
    }

    // start-of-first-week - start-of-year
    function firstWeekOffset(year, dow, doy) {
        var // first-week day -- which january is always in the first week (4 for iso, 1 for other)
            fwd = 7 + dow - doy,
            // first-week day local weekday -- which local weekday is fwd
            fwdlw = (7 + createUTCDate(year, 0, fwd).getUTCDay() - dow) % 7;

        return -fwdlw + fwd - 1;
    }

    //http://en.wikipedia.org/wiki/ISO_week_date#Calculating_a_date_given_the_year.2C_week_number_and_weekday
    function dayOfYearFromWeeks(year, week, weekday, dow, doy) {
        var localWeekday = (7 + weekday - dow) % 7,
            weekOffset = firstWeekOffset(year, dow, doy),
            dayOfYear = 1 + 7 * (week - 1) + localWeekday + weekOffset,
            resYear, resDayOfYear;

        if (dayOfYear <= 0) {
            resYear = year - 1;
            resDayOfYear = daysInYear(resYear) + dayOfYear;
        } else if (dayOfYear > daysInYear(year)) {
            resYear = year + 1;
            resDayOfYear = dayOfYear - daysInYear(year);
        } else {
            resYear = year;
            resDayOfYear = dayOfYear;
        }

        return {
            year: resYear,
            dayOfYear: resDayOfYear
        };
    }

    function weekOfYear(mom, dow, doy) {
        var weekOffset = firstWeekOffset(mom.year(), dow, doy),
            week = Math.floor((mom.dayOfYear() - weekOffset - 1) / 7) + 1,
            resWeek, resYear;

        if (week < 1) {
            resYear = mom.year() - 1;
            resWeek = week + weeksInYear(resYear, dow, doy);
        } else if (week > weeksInYear(mom.year(), dow, doy)) {
            resWeek = week - weeksInYear(mom.year(), dow, doy);
            resYear = mom.year() + 1;
        } else {
            resYear = mom.year();
            resWeek = week;
        }

        return {
            week: resWeek,
            year: resYear
        };
    }

    function weeksInYear(year, dow, doy) {
        var weekOffset = firstWeekOffset(year, dow, doy),
            weekOffsetNext = firstWeekOffset(year + 1, dow, doy);
        return (daysInYear(year) - weekOffset + weekOffsetNext) / 7;
    }

    // Pick the first defined of two or three arguments.
    function defaults(a, b, c) {
        if (a != null) {
            return a;
        }
        if (b != null) {
            return b;
        }
        return c;
    }

    function currentDateArray(config) {
        // hooks is actually the exported moment object
        var nowValue = new Date(utils_hooks__hooks.now());
        if (config._useUTC) {
            return [nowValue.getUTCFullYear(), nowValue.getUTCMonth(), nowValue.getUTCDate()];
        }
        return [nowValue.getFullYear(), nowValue.getMonth(), nowValue.getDate()];
    }

    // convert an array to a date.
    // the array should mirror the parameters below
    // note: all values past the year are optional and will default to the lowest possible value.
    // [year, month, day , hour, minute, second, millisecond]
    function configFromArray (config) {
        var i, date, input = [], currentDate, yearToUse;

        if (config._d) {
            return;
        }

        currentDate = currentDateArray(config);

        //compute day of the year from weeks and weekdays
        if (config._w && config._a[DATE] == null && config._a[MONTH] == null) {
            dayOfYearFromWeekInfo(config);
        }

        //if the day of the year is set, figure out what it is
        if (config._dayOfYear) {
            yearToUse = defaults(config._a[YEAR], currentDate[YEAR]);

            if (config._dayOfYear > daysInYear(yearToUse)) {
                getParsingFlags(config)._overflowDayOfYear = true;
            }

            date = createUTCDate(yearToUse, 0, config._dayOfYear);
            config._a[MONTH] = date.getUTCMonth();
            config._a[DATE] = date.getUTCDate();
        }

        // Default to current date.
        // * if no year, month, day of month are given, default to today
        // * if day of month is given, default month and year
        // * if month is given, default only year
        // * if year is given, don't default anything
        for (i = 0; i < 3 && config._a[i] == null; ++i) {
            config._a[i] = input[i] = currentDate[i];
        }

        // Zero out whatever was not defaulted, including time
        for (; i < 7; i++) {
            config._a[i] = input[i] = (config._a[i] == null) ? (i === 2 ? 1 : 0) : config._a[i];
        }

        // Check for 24:00:00.000
        if (config._a[HOUR] === 24 &&
                config._a[MINUTE] === 0 &&
                config._a[SECOND] === 0 &&
                config._a[MILLISECOND] === 0) {
            config._nextDay = true;
            config._a[HOUR] = 0;
        }

        config._d = (config._useUTC ? createUTCDate : createDate).apply(null, input);
        // Apply timezone offset from input. The actual utcOffset can be changed
        // with parseZone.
        if (config._tzm != null) {
            config._d.setUTCMinutes(config._d.getUTCMinutes() - config._tzm);
        }

        if (config._nextDay) {
            config._a[HOUR] = 24;
        }
    }

    function dayOfYearFromWeekInfo(config) {
        var w, weekYear, week, weekday, dow, doy, temp, weekdayOverflow;

        w = config._w;
        if (w.GG != null || w.W != null || w.E != null) {
            dow = 1;
            doy = 4;

            // TODO: We need to take the current isoWeekYear, but that depends on
            // how we interpret now (local, utc, fixed offset). So create
            // a now version of current config (take local/utc/offset flags, and
            // create now).
            weekYear = defaults(w.GG, config._a[YEAR], weekOfYear(local__createLocal(), 1, 4).year);
            week = defaults(w.W, 1);
            weekday = defaults(w.E, 1);
            if (weekday < 1 || weekday > 7) {
                weekdayOverflow = true;
            }
        } else {
            dow = config._locale._week.dow;
            doy = config._locale._week.doy;

            weekYear = defaults(w.gg, config._a[YEAR], weekOfYear(local__createLocal(), dow, doy).year);
            week = defaults(w.w, 1);

            if (w.d != null) {
                // weekday -- low day numbers are considered next week
                weekday = w.d;
                if (weekday < 0 || weekday > 6) {
                    weekdayOverflow = true;
                }
            } else if (w.e != null) {
                // local weekday -- counting starts from begining of week
                weekday = w.e + dow;
                if (w.e < 0 || w.e > 6) {
                    weekdayOverflow = true;
                }
            } else {
                // default to begining of week
                weekday = dow;
            }
        }
        if (week < 1 || week > weeksInYear(weekYear, dow, doy)) {
            getParsingFlags(config)._overflowWeeks = true;
        } else if (weekdayOverflow != null) {
            getParsingFlags(config)._overflowWeekday = true;
        } else {
            temp = dayOfYearFromWeeks(weekYear, week, weekday, dow, doy);
            config._a[YEAR] = temp.year;
            config._dayOfYear = temp.dayOfYear;
        }
    }

    // constant that refers to the ISO standard
    utils_hooks__hooks.ISO_8601 = function () {};

    // date from string and format string
    function configFromStringAndFormat(config) {
        // TODO: Move this to another part of the creation flow to prevent circular deps
        if (config._f === utils_hooks__hooks.ISO_8601) {
            configFromISO(config);
            return;
        }

        config._a = [];
        getParsingFlags(config).empty = true;

        // This array is used to make a Date, either with `new Date` or `Date.UTC`
        var string = '' + config._i,
            i, parsedInput, tokens, token, skipped,
            stringLength = string.length,
            totalParsedInputLength = 0;

        tokens = expandFormat(config._f, config._locale).match(formattingTokens) || [];

        for (i = 0; i < tokens.length; i++) {
            token = tokens[i];
            parsedInput = (string.match(getParseRegexForToken(token, config)) || [])[0];
            // console.log('token', token, 'parsedInput', parsedInput,
            //         'regex', getParseRegexForToken(token, config));
            if (parsedInput) {
                skipped = string.substr(0, string.indexOf(parsedInput));
                if (skipped.length > 0) {
                    getParsingFlags(config).unusedInput.push(skipped);
                }
                string = string.slice(string.indexOf(parsedInput) + parsedInput.length);
                totalParsedInputLength += parsedInput.length;
            }
            // don't parse if it's not a known token
            if (formatTokenFunctions[token]) {
                if (parsedInput) {
                    getParsingFlags(config).empty = false;
                }
                else {
                    getParsingFlags(config).unusedTokens.push(token);
                }
                addTimeToArrayFromToken(token, parsedInput, config);
            }
            else if (config._strict && !parsedInput) {
                getParsingFlags(config).unusedTokens.push(token);
            }
        }

        // add remaining unparsed input length to the string
        getParsingFlags(config).charsLeftOver = stringLength - totalParsedInputLength;
        if (string.length > 0) {
            getParsingFlags(config).unusedInput.push(string);
        }

        // clear _12h flag if hour is <= 12
        if (getParsingFlags(config).bigHour === true &&
                config._a[HOUR] <= 12 &&
                config._a[HOUR] > 0) {
            getParsingFlags(config).bigHour = undefined;
        }

        getParsingFlags(config).parsedDateParts = config._a.slice(0);
        getParsingFlags(config).meridiem = config._meridiem;
        // handle meridiem
        config._a[HOUR] = meridiemFixWrap(config._locale, config._a[HOUR], config._meridiem);

        configFromArray(config);
        checkOverflow(config);
    }


    function meridiemFixWrap (locale, hour, meridiem) {
        var isPm;

        if (meridiem == null) {
            // nothing to do
            return hour;
        }
        if (locale.meridiemHour != null) {
            return locale.meridiemHour(hour, meridiem);
        } else if (locale.isPM != null) {
            // Fallback
            isPm = locale.isPM(meridiem);
            if (isPm && hour < 12) {
                hour += 12;
            }
            if (!isPm && hour === 12) {
                hour = 0;
            }
            return hour;
        } else {
            // this is not supposed to happen
            return hour;
        }
    }

    // date from string and array of format strings
    function configFromStringAndArray(config) {
        var tempConfig,
            bestMoment,

            scoreToBeat,
            i,
            currentScore;

        if (config._f.length === 0) {
            getParsingFlags(config).invalidFormat = true;
            config._d = new Date(NaN);
            return;
        }

        for (i = 0; i < config._f.length; i++) {
            currentScore = 0;
            tempConfig = copyConfig({}, config);
            if (config._useUTC != null) {
                tempConfig._useUTC = config._useUTC;
            }
            tempConfig._f = config._f[i];
            configFromStringAndFormat(tempConfig);

            if (!valid__isValid(tempConfig)) {
                continue;
            }

            // if there is any input that was not parsed add a penalty for that format
            currentScore += getParsingFlags(tempConfig).charsLeftOver;

            //or tokens
            currentScore += getParsingFlags(tempConfig).unusedTokens.length * 10;

            getParsingFlags(tempConfig).score = currentScore;

            if (scoreToBeat == null || currentScore < scoreToBeat) {
                scoreToBeat = currentScore;
                bestMoment = tempConfig;
            }
        }

        extend(config, bestMoment || tempConfig);
    }

    function configFromObject(config) {
        if (config._d) {
            return;
        }

        var i = normalizeObjectUnits(config._i);
        config._a = map([i.year, i.month, i.day || i.date, i.hour, i.minute, i.second, i.millisecond], function (obj) {
            return obj && parseInt(obj, 10);
        });

        configFromArray(config);
    }

    function createFromConfig (config) {
        var res = new Moment(checkOverflow(prepareConfig(config)));
        if (res._nextDay) {
            // Adding is smart enough around DST
            res.add(1, 'd');
            res._nextDay = undefined;
        }

        return res;
    }

    function prepareConfig (config) {
        var input = config._i,
            format = config._f;

        config._locale = config._locale || locale_locales__getLocale(config._l);

        if (input === null || (format === undefined && input === '')) {
            return valid__createInvalid({nullInput: true});
        }

        if (typeof input === 'string') {
            config._i = input = config._locale.preparse(input);
        }

        if (isMoment(input)) {
            return new Moment(checkOverflow(input));
        } else if (isArray(format)) {
            configFromStringAndArray(config);
        } else if (format) {
            configFromStringAndFormat(config);
        } else if (isDate(input)) {
            config._d = input;
        } else {
            configFromInput(config);
        }

        if (!valid__isValid(config)) {
            config._d = null;
        }

        return config;
    }

    function configFromInput(config) {
        var input = config._i;
        if (input === undefined) {
            config._d = new Date(utils_hooks__hooks.now());
        } else if (isDate(input)) {
            config._d = new Date(input.valueOf());
        } else if (typeof input === 'string') {
            configFromString(config);
        } else if (isArray(input)) {
            config._a = map(input.slice(0), function (obj) {
                return parseInt(obj, 10);
            });
            configFromArray(config);
        } else if (typeof(input) === 'object') {
            configFromObject(config);
        } else if (typeof(input) === 'number') {
            // from milliseconds
            config._d = new Date(input);
        } else {
            utils_hooks__hooks.createFromInputFallback(config);
        }
    }

    function createLocalOrUTC (input, format, locale, strict, isUTC) {
        var c = {};

        if (typeof(locale) === 'boolean') {
            strict = locale;
            locale = undefined;
        }
        // object construction must be done this way.
        // https://github.com/moment/moment/issues/1423
        c._isAMomentObject = true;
        c._useUTC = c._isUTC = isUTC;
        c._l = locale;
        c._i = input;
        c._f = format;
        c._strict = strict;

        return createFromConfig(c);
    }

    function local__createLocal (input, format, locale, strict) {
        return createLocalOrUTC(input, format, locale, strict, false);
    }

    var prototypeMin = deprecate(
         'moment().min is deprecated, use moment.max instead. https://github.com/moment/moment/issues/1548',
         function () {
             var other = local__createLocal.apply(null, arguments);
             if (this.isValid() && other.isValid()) {
                 return other < this ? this : other;
             } else {
                 return valid__createInvalid();
             }
         }
     );

    var prototypeMax = deprecate(
        'moment().max is deprecated, use moment.min instead. https://github.com/moment/moment/issues/1548',
        function () {
            var other = local__createLocal.apply(null, arguments);
            if (this.isValid() && other.isValid()) {
                return other > this ? this : other;
            } else {
                return valid__createInvalid();
            }
        }
    );

    // Pick a moment m from moments so that m[fn](other) is true for all
    // other. This relies on the function fn to be transitive.
    //
    // moments should either be an array of moment objects or an array, whose
    // first element is an array of moment objects.
    function pickBy(fn, moments) {
        var res, i;
        if (moments.length === 1 && isArray(moments[0])) {
            moments = moments[0];
        }
        if (!moments.length) {
            return local__createLocal();
        }
        res = moments[0];
        for (i = 1; i < moments.length; ++i) {
            if (!moments[i].isValid() || moments[i][fn](res)) {
                res = moments[i];
            }
        }
        return res;
    }

    // TODO: Use [].sort instead?
    function min () {
        var args = [].slice.call(arguments, 0);

        return pickBy('isBefore', args);
    }

    function max () {
        var args = [].slice.call(arguments, 0);

        return pickBy('isAfter', args);
    }

    var now = function () {
        return Date.now ? Date.now() : +(new Date());
    };

    function Duration (duration) {
        var normalizedInput = normalizeObjectUnits(duration),
            years = normalizedInput.year || 0,
            quarters = normalizedInput.quarter || 0,
            months = normalizedInput.month || 0,
            weeks = normalizedInput.week || 0,
            days = normalizedInput.day || 0,
            hours = normalizedInput.hour || 0,
            minutes = normalizedInput.minute || 0,
            seconds = normalizedInput.second || 0,
            milliseconds = normalizedInput.millisecond || 0;

        // representation for dateAddRemove
        this._milliseconds = +milliseconds +
            seconds * 1e3 + // 1000
            minutes * 6e4 + // 1000 * 60
            hours * 1000 * 60 * 60; //using 1000 * 60 * 60 instead of 36e5 to avoid floating point rounding errors https://github.com/moment/moment/issues/2978
        // Because of dateAddRemove treats 24 hours as different from a
        // day when working around DST, we need to store them separately
        this._days = +days +
            weeks * 7;
        // It is impossible translate months into days without knowing
        // which months you are are talking about, so we have to store
        // it separately.
        this._months = +months +
            quarters * 3 +
            years * 12;

        this._data = {};

        this._locale = locale_locales__getLocale();

        this._bubble();
    }

    function isDuration (obj) {
        return obj instanceof Duration;
    }

    // FORMATTING

    function offset (token, separator) {
        addFormatToken(token, 0, 0, function () {
            var offset = this.utcOffset();
            var sign = '+';
            if (offset < 0) {
                offset = -offset;
                sign = '-';
            }
            return sign + zeroFill(~~(offset / 60), 2) + separator + zeroFill(~~(offset) % 60, 2);
        });
    }

    offset('Z', ':');
    offset('ZZ', '');

    // PARSING

    addRegexToken('Z',  matchShortOffset);
    addRegexToken('ZZ', matchShortOffset);
    addParseToken(['Z', 'ZZ'], function (input, array, config) {
        config._useUTC = true;
        config._tzm = offsetFromString(matchShortOffset, input);
    });

    // HELPERS

    // timezone chunker
    // '+10:00' > ['10',  '00']
    // '-1530'  > ['-15', '30']
    var chunkOffset = /([\+\-]|\d\d)/gi;

    function offsetFromString(matcher, string) {
        var matches = ((string || '').match(matcher) || []);
        var chunk   = matches[matches.length - 1] || [];
        var parts   = (chunk + '').match(chunkOffset) || ['-', 0, 0];
        var minutes = +(parts[1] * 60) + toInt(parts[2]);

        return parts[0] === '+' ? minutes : -minutes;
    }

    // Return a moment from input, that is local/utc/zone equivalent to model.
    function cloneWithOffset(input, model) {
        var res, diff;
        if (model._isUTC) {
            res = model.clone();
            diff = (isMoment(input) || isDate(input) ? input.valueOf() : local__createLocal(input).valueOf()) - res.valueOf();
            // Use low-level api, because this fn is low-level api.
            res._d.setTime(res._d.valueOf() + diff);
            utils_hooks__hooks.updateOffset(res, false);
            return res;
        } else {
            return local__createLocal(input).local();
        }
    }

    function getDateOffset (m) {
        // On Firefox.24 Date#getTimezoneOffset returns a floating point.
        // https://github.com/moment/moment/pull/1871
        return -Math.round(m._d.getTimezoneOffset() / 15) * 15;
    }

    // HOOKS

    // This function will be called whenever a moment is mutated.
    // It is intended to keep the offset in sync with the timezone.
    utils_hooks__hooks.updateOffset = function () {};

    // MOMENTS

    // keepLocalTime = true means only change the timezone, without
    // affecting the local hour. So 5:31:26 +0300 --[utcOffset(2, true)]-->
    // 5:31:26 +0200 It is possible that 5:31:26 doesn't exist with offset
    // +0200, so we adjust the time as needed, to be valid.
    //
    // Keeping the time actually adds/subtracts (one hour)
    // from the actual represented time. That is why we call updateOffset
    // a second time. In case it wants us to change the offset again
    // _changeInProgress == true case, then we have to adjust, because
    // there is no such time in the given timezone.
    function getSetOffset (input, keepLocalTime) {
        var offset = this._offset || 0,
            localAdjust;
        if (!this.isValid()) {
            return input != null ? this : NaN;
        }
        if (input != null) {
            if (typeof input === 'string') {
                input = offsetFromString(matchShortOffset, input);
            } else if (Math.abs(input) < 16) {
                input = input * 60;
            }
            if (!this._isUTC && keepLocalTime) {
                localAdjust = getDateOffset(this);
            }
            this._offset = input;
            this._isUTC = true;
            if (localAdjust != null) {
                this.add(localAdjust, 'm');
            }
            if (offset !== input) {
                if (!keepLocalTime || this._changeInProgress) {
                    add_subtract__addSubtract(this, create__createDuration(input - offset, 'm'), 1, false);
                } else if (!this._changeInProgress) {
                    this._changeInProgress = true;
                    utils_hooks__hooks.updateOffset(this, true);
                    this._changeInProgress = null;
                }
            }
            return this;
        } else {
            return this._isUTC ? offset : getDateOffset(this);
        }
    }

    function getSetZone (input, keepLocalTime) {
        if (input != null) {
            if (typeof input !== 'string') {
                input = -input;
            }

            this.utcOffset(input, keepLocalTime);

            return this;
        } else {
            return -this.utcOffset();
        }
    }

    function setOffsetToUTC (keepLocalTime) {
        return this.utcOffset(0, keepLocalTime);
    }

    function setOffsetToLocal (keepLocalTime) {
        if (this._isUTC) {
            this.utcOffset(0, keepLocalTime);
            this._isUTC = false;

            if (keepLocalTime) {
                this.subtract(getDateOffset(this), 'm');
            }
        }
        return this;
    }

    function setOffsetToParsedOffset () {
        if (this._tzm) {
            this.utcOffset(this._tzm);
        } else if (typeof this._i === 'string') {
            this.utcOffset(offsetFromString(matchOffset, this._i));
        }
        return this;
    }

    function hasAlignedHourOffset (input) {
        if (!this.isValid()) {
            return false;
        }
        input = input ? local__createLocal(input).utcOffset() : 0;

        return (this.utcOffset() - input) % 60 === 0;
    }

    function isDaylightSavingTime () {
        return (
            this.utcOffset() > this.clone().month(0).utcOffset() ||
            this.utcOffset() > this.clone().month(5).utcOffset()
        );
    }

    function isDaylightSavingTimeShifted () {
        if (!isUndefined(this._isDSTShifted)) {
            return this._isDSTShifted;
        }

        var c = {};

        copyConfig(c, this);
        c = prepareConfig(c);

        if (c._a) {
            var other = c._isUTC ? create_utc__createUTC(c._a) : local__createLocal(c._a);
            this._isDSTShifted = this.isValid() &&
                compareArrays(c._a, other.toArray()) > 0;
        } else {
            this._isDSTShifted = false;
        }

        return this._isDSTShifted;
    }

    function isLocal () {
        return this.isValid() ? !this._isUTC : false;
    }

    function isUtcOffset () {
        return this.isValid() ? this._isUTC : false;
    }

    function isUtc () {
        return this.isValid() ? this._isUTC && this._offset === 0 : false;
    }

    // ASP.NET json date format regex
    var aspNetRegex = /^(\-)?(?:(\d*)[. ])?(\d+)\:(\d+)(?:\:(\d+)\.?(\d{3})?\d*)?$/;

    // from http://docs.closure-library.googlecode.com/git/closure_goog_date_date.js.source.html
    // somewhat more in line with 4.4.3.2 2004 spec, but allows decimal anywhere
    // and further modified to allow for strings containing both week and day
    var isoRegex = /^(-)?P(?:(-?[0-9,.]*)Y)?(?:(-?[0-9,.]*)M)?(?:(-?[0-9,.]*)W)?(?:(-?[0-9,.]*)D)?(?:T(?:(-?[0-9,.]*)H)?(?:(-?[0-9,.]*)M)?(?:(-?[0-9,.]*)S)?)?$/;

    function create__createDuration (input, key) {
        var duration = input,
            // matching against regexp is expensive, do it on demand
            match = null,
            sign,
            ret,
            diffRes;

        if (isDuration(input)) {
            duration = {
                ms : input._milliseconds,
                d  : input._days,
                M  : input._months
            };
        } else if (typeof input === 'number') {
            duration = {};
            if (key) {
                duration[key] = input;
            } else {
                duration.milliseconds = input;
            }
        } else if (!!(match = aspNetRegex.exec(input))) {
            sign = (match[1] === '-') ? -1 : 1;
            duration = {
                y  : 0,
                d  : toInt(match[DATE])        * sign,
                h  : toInt(match[HOUR])        * sign,
                m  : toInt(match[MINUTE])      * sign,
                s  : toInt(match[SECOND])      * sign,
                ms : toInt(match[MILLISECOND]) * sign
            };
        } else if (!!(match = isoRegex.exec(input))) {
            sign = (match[1] === '-') ? -1 : 1;
            duration = {
                y : parseIso(match[2], sign),
                M : parseIso(match[3], sign),
                w : parseIso(match[4], sign),
                d : parseIso(match[5], sign),
                h : parseIso(match[6], sign),
                m : parseIso(match[7], sign),
                s : parseIso(match[8], sign)
            };
        } else if (duration == null) {// checks for null or undefined
            duration = {};
        } else if (typeof duration === 'object' && ('from' in duration || 'to' in duration)) {
            diffRes = momentsDifference(local__createLocal(duration.from), local__createLocal(duration.to));

            duration = {};
            duration.ms = diffRes.milliseconds;
            duration.M = diffRes.months;
        }

        ret = new Duration(duration);

        if (isDuration(input) && hasOwnProp(input, '_locale')) {
            ret._locale = input._locale;
        }

        return ret;
    }

    create__createDuration.fn = Duration.prototype;

    function parseIso (inp, sign) {
        // We'd normally use ~~inp for this, but unfortunately it also
        // converts floats to ints.
        // inp may be undefined, so careful calling replace on it.
        var res = inp && parseFloat(inp.replace(',', '.'));
        // apply sign while we're at it
        return (isNaN(res) ? 0 : res) * sign;
    }

    function positiveMomentsDifference(base, other) {
        var res = {milliseconds: 0, months: 0};

        res.months = other.month() - base.month() +
            (other.year() - base.year()) * 12;
        if (base.clone().add(res.months, 'M').isAfter(other)) {
            --res.months;
        }

        res.milliseconds = +other - +(base.clone().add(res.months, 'M'));

        return res;
    }

    function momentsDifference(base, other) {
        var res;
        if (!(base.isValid() && other.isValid())) {
            return {milliseconds: 0, months: 0};
        }

        other = cloneWithOffset(other, base);
        if (base.isBefore(other)) {
            res = positiveMomentsDifference(base, other);
        } else {
            res = positiveMomentsDifference(other, base);
            res.milliseconds = -res.milliseconds;
            res.months = -res.months;
        }

        return res;
    }

    function absRound (number) {
        if (number < 0) {
            return Math.round(-1 * number) * -1;
        } else {
            return Math.round(number);
        }
    }

    // TODO: remove 'name' arg after deprecation is removed
    function createAdder(direction, name) {
        return function (val, period) {
            var dur, tmp;
            //invert the arguments, but complain about it
            if (period !== null && !isNaN(+period)) {
                deprecateSimple(name, 'moment().' + name  + '(period, number) is deprecated. Please use moment().' + name + '(number, period).');
                tmp = val; val = period; period = tmp;
            }

            val = typeof val === 'string' ? +val : val;
            dur = create__createDuration(val, period);
            add_subtract__addSubtract(this, dur, direction);
            return this;
        };
    }

    function add_subtract__addSubtract (mom, duration, isAdding, updateOffset) {
        var milliseconds = duration._milliseconds,
            days = absRound(duration._days),
            months = absRound(duration._months);

        if (!mom.isValid()) {
            // No op
            return;
        }

        updateOffset = updateOffset == null ? true : updateOffset;

        if (milliseconds) {
            mom._d.setTime(mom._d.valueOf() + milliseconds * isAdding);
        }
        if (days) {
            get_set__set(mom, 'Date', get_set__get(mom, 'Date') + days * isAdding);
        }
        if (months) {
            setMonth(mom, get_set__get(mom, 'Month') + months * isAdding);
        }
        if (updateOffset) {
            utils_hooks__hooks.updateOffset(mom, days || months);
        }
    }

    var add_subtract__add      = createAdder(1, 'add');
    var add_subtract__subtract = createAdder(-1, 'subtract');

    function moment_calendar__calendar (time, formats) {
        // We want to compare the start of today, vs this.
        // Getting start-of-today depends on whether we're local/utc/offset or not.
        var now = time || local__createLocal(),
            sod = cloneWithOffset(now, this).startOf('day'),
            diff = this.diff(sod, 'days', true),
            format = diff < -6 ? 'sameElse' :
                diff < -1 ? 'lastWeek' :
                diff < 0 ? 'lastDay' :
                diff < 1 ? 'sameDay' :
                diff < 2 ? 'nextDay' :
                diff < 7 ? 'nextWeek' : 'sameElse';

        var output = formats && (isFunction(formats[format]) ? formats[format]() : formats[format]);

        return this.format(output || this.localeData().calendar(format, this, local__createLocal(now)));
    }

    function clone () {
        return new Moment(this);
    }

    function isAfter (input, units) {
        var localInput = isMoment(input) ? input : local__createLocal(input);
        if (!(this.isValid() && localInput.isValid())) {
            return false;
        }
        units = normalizeUnits(!isUndefined(units) ? units : 'millisecond');
        if (units === 'millisecond') {
            return this.valueOf() > localInput.valueOf();
        } else {
            return localInput.valueOf() < this.clone().startOf(units).valueOf();
        }
    }

    function isBefore (input, units) {
        var localInput = isMoment(input) ? input : local__createLocal(input);
        if (!(this.isValid() && localInput.isValid())) {
            return false;
        }
        units = normalizeUnits(!isUndefined(units) ? units : 'millisecond');
        if (units === 'millisecond') {
            return this.valueOf() < localInput.valueOf();
        } else {
            return this.clone().endOf(units).valueOf() < localInput.valueOf();
        }
    }

    function isBetween (from, to, units, inclusivity) {
        inclusivity = inclusivity || '()';
        return (inclusivity[0] === '(' ? this.isAfter(from, units) : !this.isBefore(from, units)) &&
            (inclusivity[1] === ')' ? this.isBefore(to, units) : !this.isAfter(to, units));
    }

    function isSame (input, units) {
        var localInput = isMoment(input) ? input : local__createLocal(input),
            inputMs;
        if (!(this.isValid() && localInput.isValid())) {
            return false;
        }
        units = normalizeUnits(units || 'millisecond');
        if (units === 'millisecond') {
            return this.valueOf() === localInput.valueOf();
        } else {
            inputMs = localInput.valueOf();
            return this.clone().startOf(units).valueOf() <= inputMs && inputMs <= this.clone().endOf(units).valueOf();
        }
    }

    function isSameOrAfter (input, units) {
        return this.isSame(input, units) || this.isAfter(input,units);
    }

    function isSameOrBefore (input, units) {
        return this.isSame(input, units) || this.isBefore(input,units);
    }

    function diff (input, units, asFloat) {
        var that,
            zoneDelta,
            delta, output;

        if (!this.isValid()) {
            return NaN;
        }

        that = cloneWithOffset(input, this);

        if (!that.isValid()) {
            return NaN;
        }

        zoneDelta = (that.utcOffset() - this.utcOffset()) * 6e4;

        units = normalizeUnits(units);

        if (units === 'year' || units === 'month' || units === 'quarter') {
            output = monthDiff(this, that);
            if (units === 'quarter') {
                output = output / 3;
            } else if (units === 'year') {
                output = output / 12;
            }
        } else {
            delta = this - that;
            output = units === 'second' ? delta / 1e3 : // 1000
                units === 'minute' ? delta / 6e4 : // 1000 * 60
                units === 'hour' ? delta / 36e5 : // 1000 * 60 * 60
                units === 'day' ? (delta - zoneDelta) / 864e5 : // 1000 * 60 * 60 * 24, negate dst
                units === 'week' ? (delta - zoneDelta) / 6048e5 : // 1000 * 60 * 60 * 24 * 7, negate dst
                delta;
        }
        return asFloat ? output : absFloor(output);
    }

    function monthDiff (a, b) {
        // difference in months
        var wholeMonthDiff = ((b.year() - a.year()) * 12) + (b.month() - a.month()),
            // b is in (anchor - 1 month, anchor + 1 month)
            anchor = a.clone().add(wholeMonthDiff, 'months'),
            anchor2, adjust;

        if (b - anchor < 0) {
            anchor2 = a.clone().add(wholeMonthDiff - 1, 'months');
            // linear across the month
            adjust = (b - anchor) / (anchor - anchor2);
        } else {
            anchor2 = a.clone().add(wholeMonthDiff + 1, 'months');
            // linear across the month
            adjust = (b - anchor) / (anchor2 - anchor);
        }

        //check for negative zero, return zero if negative zero
        return -(wholeMonthDiff + adjust) || 0;
    }

    utils_hooks__hooks.defaultFormat = 'YYYY-MM-DDTHH:mm:ssZ';
    utils_hooks__hooks.defaultFormatUtc = 'YYYY-MM-DDTHH:mm:ss[Z]';

    function toString () {
        return this.clone().locale('en').format('ddd MMM DD YYYY HH:mm:ss [GMT]ZZ');
    }

    function moment_format__toISOString () {
        var m = this.clone().utc();
        if (0 < m.year() && m.year() <= 9999) {
            if (isFunction(Date.prototype.toISOString)) {
                // native implementation is ~50x faster, use it when we can
                return this.toDate().toISOString();
            } else {
                return formatMoment(m, 'YYYY-MM-DD[T]HH:mm:ss.SSS[Z]');
            }
        } else {
            return formatMoment(m, 'YYYYYY-MM-DD[T]HH:mm:ss.SSS[Z]');
        }
    }

    function format (inputString) {
        if (!inputString) {
            inputString = this.isUtc() ? utils_hooks__hooks.defaultFormatUtc : utils_hooks__hooks.defaultFormat;
        }
        var output = formatMoment(this, inputString);
        return this.localeData().postformat(output);
    }

    function from (time, withoutSuffix) {
        if (this.isValid() &&
                ((isMoment(time) && time.isValid()) ||
                 local__createLocal(time).isValid())) {
            return create__createDuration({to: this, from: time}).locale(this.locale()).humanize(!withoutSuffix);
        } else {
            return this.localeData().invalidDate();
        }
    }

    function fromNow (withoutSuffix) {
        return this.from(local__createLocal(), withoutSuffix);
    }

    function to (time, withoutSuffix) {
        if (this.isValid() &&
                ((isMoment(time) && time.isValid()) ||
                 local__createLocal(time).isValid())) {
            return create__createDuration({from: this, to: time}).locale(this.locale()).humanize(!withoutSuffix);
        } else {
            return this.localeData().invalidDate();
        }
    }

    function toNow (withoutSuffix) {
        return this.to(local__createLocal(), withoutSuffix);
    }

    // If passed a locale key, it will set the locale for this
    // instance.  Otherwise, it will return the locale configuration
    // variables for this instance.
    function locale (key) {
        var newLocaleData;

        if (key === undefined) {
            return this._locale._abbr;
        } else {
            newLocaleData = locale_locales__getLocale(key);
            if (newLocaleData != null) {
                this._locale = newLocaleData;
            }
            return this;
        }
    }

    var lang = deprecate(
        'moment().lang() is deprecated. Instead, use moment().localeData() to get the language configuration. Use moment().locale() to change languages.',
        function (key) {
            if (key === undefined) {
                return this.localeData();
            } else {
                return this.locale(key);
            }
        }
    );

    function localeData () {
        return this._locale;
    }

    function startOf (units) {
        units = normalizeUnits(units);
        // the following switch intentionally omits break keywords
        // to utilize falling through the cases.
        switch (units) {
        case 'year':
            this.month(0);
            /* falls through */
        case 'quarter':
        case 'month':
            this.date(1);
            /* falls through */
        case 'week':
        case 'isoWeek':
        case 'day':
        case 'date':
            this.hours(0);
            /* falls through */
        case 'hour':
            this.minutes(0);
            /* falls through */
        case 'minute':
            this.seconds(0);
            /* falls through */
        case 'second':
            this.milliseconds(0);
        }

        // weeks are a special case
        if (units === 'week') {
            this.weekday(0);
        }
        if (units === 'isoWeek') {
            this.isoWeekday(1);
        }

        // quarters are also special
        if (units === 'quarter') {
            this.month(Math.floor(this.month() / 3) * 3);
        }

        return this;
    }

    function endOf (units) {
        units = normalizeUnits(units);
        if (units === undefined || units === 'millisecond') {
            return this;
        }

        // 'date' is an alias for 'day', so it should be considered as such.
        if (units === 'date') {
            units = 'day';
        }

        return this.startOf(units).add(1, (units === 'isoWeek' ? 'week' : units)).subtract(1, 'ms');
    }

    function to_type__valueOf () {
        return this._d.valueOf() - ((this._offset || 0) * 60000);
    }

    function unix () {
        return Math.floor(this.valueOf() / 1000);
    }

    function toDate () {
        return this._offset ? new Date(this.valueOf()) : this._d;
    }

    function toArray () {
        var m = this;
        return [m.year(), m.month(), m.date(), m.hour(), m.minute(), m.second(), m.millisecond()];
    }

    function toObject () {
        var m = this;
        return {
            years: m.year(),
            months: m.month(),
            date: m.date(),
            hours: m.hours(),
            minutes: m.minutes(),
            seconds: m.seconds(),
            milliseconds: m.milliseconds()
        };
    }

    function toJSON () {
        // new Date(NaN).toJSON() === null
        return this.isValid() ? this.toISOString() : null;
    }

    function moment_valid__isValid () {
        return valid__isValid(this);
    }

    function parsingFlags () {
        return extend({}, getParsingFlags(this));
    }

    function invalidAt () {
        return getParsingFlags(this).overflow;
    }

    function creationData() {
        return {
            input: this._i,
            format: this._f,
            locale: this._locale,
            isUTC: this._isUTC,
            strict: this._strict
        };
    }

    // FORMATTING

    addFormatToken(0, ['gg', 2], 0, function () {
        return this.weekYear() % 100;
    });

    addFormatToken(0, ['GG', 2], 0, function () {
        return this.isoWeekYear() % 100;
    });

    function addWeekYearFormatToken (token, getter) {
        addFormatToken(0, [token, token.length], 0, getter);
    }

    addWeekYearFormatToken('gggg',     'weekYear');
    addWeekYearFormatToken('ggggg',    'weekYear');
    addWeekYearFormatToken('GGGG',  'isoWeekYear');
    addWeekYearFormatToken('GGGGG', 'isoWeekYear');

    // ALIASES

    addUnitAlias('weekYear', 'gg');
    addUnitAlias('isoWeekYear', 'GG');

    // PARSING

    addRegexToken('G',      matchSigned);
    addRegexToken('g',      matchSigned);
    addRegexToken('GG',     match1to2, match2);
    addRegexToken('gg',     match1to2, match2);
    addRegexToken('GGGG',   match1to4, match4);
    addRegexToken('gggg',   match1to4, match4);
    addRegexToken('GGGGG',  match1to6, match6);
    addRegexToken('ggggg',  match1to6, match6);

    addWeekParseToken(['gggg', 'ggggg', 'GGGG', 'GGGGG'], function (input, week, config, token) {
        week[token.substr(0, 2)] = toInt(input);
    });

    addWeekParseToken(['gg', 'GG'], function (input, week, config, token) {
        week[token] = utils_hooks__hooks.parseTwoDigitYear(input);
    });

    // MOMENTS

    function getSetWeekYear (input) {
        return getSetWeekYearHelper.call(this,
                input,
                this.week(),
                this.weekday(),
                this.localeData()._week.dow,
                this.localeData()._week.doy);
    }

    function getSetISOWeekYear (input) {
        return getSetWeekYearHelper.call(this,
                input, this.isoWeek(), this.isoWeekday(), 1, 4);
    }

    function getISOWeeksInYear () {
        return weeksInYear(this.year(), 1, 4);
    }

    function getWeeksInYear () {
        var weekInfo = this.localeData()._week;
        return weeksInYear(this.year(), weekInfo.dow, weekInfo.doy);
    }

    function getSetWeekYearHelper(input, week, weekday, dow, doy) {
        var weeksTarget;
        if (input == null) {
            return weekOfYear(this, dow, doy).year;
        } else {
            weeksTarget = weeksInYear(input, dow, doy);
            if (week > weeksTarget) {
                week = weeksTarget;
            }
            return setWeekAll.call(this, input, week, weekday, dow, doy);
        }
    }

    function setWeekAll(weekYear, week, weekday, dow, doy) {
        var dayOfYearData = dayOfYearFromWeeks(weekYear, week, weekday, dow, doy),
            date = createUTCDate(dayOfYearData.year, 0, dayOfYearData.dayOfYear);

        this.year(date.getUTCFullYear());
        this.month(date.getUTCMonth());
        this.date(date.getUTCDate());
        return this;
    }

    // FORMATTING

    addFormatToken('Q', 0, 'Qo', 'quarter');

    // ALIASES

    addUnitAlias('quarter', 'Q');

    // PARSING

    addRegexToken('Q', match1);
    addParseToken('Q', function (input, array) {
        array[MONTH] = (toInt(input) - 1) * 3;
    });

    // MOMENTS

    function getSetQuarter (input) {
        return input == null ? Math.ceil((this.month() + 1) / 3) : this.month((input - 1) * 3 + this.month() % 3);
    }

    // FORMATTING

    addFormatToken('w', ['ww', 2], 'wo', 'week');
    addFormatToken('W', ['WW', 2], 'Wo', 'isoWeek');

    // ALIASES

    addUnitAlias('week', 'w');
    addUnitAlias('isoWeek', 'W');

    // PARSING

    addRegexToken('w',  match1to2);
    addRegexToken('ww', match1to2, match2);
    addRegexToken('W',  match1to2);
    addRegexToken('WW', match1to2, match2);

    addWeekParseToken(['w', 'ww', 'W', 'WW'], function (input, week, config, token) {
        week[token.substr(0, 1)] = toInt(input);
    });

    // HELPERS

    // LOCALES

    function localeWeek (mom) {
        return weekOfYear(mom, this._week.dow, this._week.doy).week;
    }

    var defaultLocaleWeek = {
        dow : 0, // Sunday is the first day of the week.
        doy : 6  // The week that contains Jan 1st is the first week of the year.
    };

    function localeFirstDayOfWeek () {
        return this._week.dow;
    }

    function localeFirstDayOfYear () {
        return this._week.doy;
    }

    // MOMENTS

    function getSetWeek (input) {
        var week = this.localeData().week(this);
        return input == null ? week : this.add((input - week) * 7, 'd');
    }

    function getSetISOWeek (input) {
        var week = weekOfYear(this, 1, 4).week;
        return input == null ? week : this.add((input - week) * 7, 'd');
    }

    // FORMATTING

    addFormatToken('D', ['DD', 2], 'Do', 'date');

    // ALIASES

    addUnitAlias('date', 'D');

    // PARSING

    addRegexToken('D',  match1to2);
    addRegexToken('DD', match1to2, match2);
    addRegexToken('Do', function (isStrict, locale) {
        return isStrict ? locale._ordinalParse : locale._ordinalParseLenient;
    });

    addParseToken(['D', 'DD'], DATE);
    addParseToken('Do', function (input, array) {
        array[DATE] = toInt(input.match(match1to2)[0], 10);
    });

    // MOMENTS

    var getSetDayOfMonth = makeGetSet('Date', true);

    // FORMATTING

    addFormatToken('d', 0, 'do', 'day');

    addFormatToken('dd', 0, 0, function (format) {
        return this.localeData().weekdaysMin(this, format);
    });

    addFormatToken('ddd', 0, 0, function (format) {
        return this.localeData().weekdaysShort(this, format);
    });

    addFormatToken('dddd', 0, 0, function (format) {
        return this.localeData().weekdays(this, format);
    });

    addFormatToken('e', 0, 0, 'weekday');
    addFormatToken('E', 0, 0, 'isoWeekday');

    // ALIASES

    addUnitAlias('day', 'd');
    addUnitAlias('weekday', 'e');
    addUnitAlias('isoWeekday', 'E');

    // PARSING

    addRegexToken('d',    match1to2);
    addRegexToken('e',    match1to2);
    addRegexToken('E',    match1to2);
    addRegexToken('dd',   function (isStrict, locale) {
        return locale.weekdaysMinRegex(isStrict);
    });
    addRegexToken('ddd',   function (isStrict, locale) {
        return locale.weekdaysShortRegex(isStrict);
    });
    addRegexToken('dddd',   function (isStrict, locale) {
        return locale.weekdaysRegex(isStrict);
    });

    addWeekParseToken(['dd', 'ddd', 'dddd'], function (input, week, config, token) {
        var weekday = config._locale.weekdaysParse(input, token, config._strict);
        // if we didn't get a weekday name, mark the date as invalid
        if (weekday != null) {
            week.d = weekday;
        } else {
            getParsingFlags(config).invalidWeekday = input;
        }
    });

    addWeekParseToken(['d', 'e', 'E'], function (input, week, config, token) {
        week[token] = toInt(input);
    });

    // HELPERS

    function parseWeekday(input, locale) {
        if (typeof input !== 'string') {
            return input;
        }

        if (!isNaN(input)) {
            return parseInt(input, 10);
        }

        input = locale.weekdaysParse(input);
        if (typeof input === 'number') {
            return input;
        }

        return null;
    }

    // LOCALES

    var defaultLocaleWeekdays = 'Sunday_Monday_Tuesday_Wednesday_Thursday_Friday_Saturday'.split('_');
    function localeWeekdays (m, format) {
        return isArray(this._weekdays) ? this._weekdays[m.day()] :
            this._weekdays[this._weekdays.isFormat.test(format) ? 'format' : 'standalone'][m.day()];
    }

    var defaultLocaleWeekdaysShort = 'Sun_Mon_Tue_Wed_Thu_Fri_Sat'.split('_');
    function localeWeekdaysShort (m) {
        return this._weekdaysShort[m.day()];
    }

    var defaultLocaleWeekdaysMin = 'Su_Mo_Tu_We_Th_Fr_Sa'.split('_');
    function localeWeekdaysMin (m) {
        return this._weekdaysMin[m.day()];
    }

    function day_of_week__handleStrictParse(weekdayName, format, strict) {
        var i, ii, mom, llc = weekdayName.toLocaleLowerCase();
        if (!this._weekdaysParse) {
            this._weekdaysParse = [];
            this._shortWeekdaysParse = [];
            this._minWeekdaysParse = [];

            for (i = 0; i < 7; ++i) {
                mom = create_utc__createUTC([2000, 1]).day(i);
                this._minWeekdaysParse[i] = this.weekdaysMin(mom, '').toLocaleLowerCase();
                this._shortWeekdaysParse[i] = this.weekdaysShort(mom, '').toLocaleLowerCase();
                this._weekdaysParse[i] = this.weekdays(mom, '').toLocaleLowerCase();
            }
        }

        if (strict) {
            if (format === 'dddd') {
                ii = indexOf.call(this._weekdaysParse, llc);
                return ii !== -1 ? ii : null;
            } else if (format === 'ddd') {
                ii = indexOf.call(this._shortWeekdaysParse, llc);
                return ii !== -1 ? ii : null;
            } else {
                ii = indexOf.call(this._minWeekdaysParse, llc);
                return ii !== -1 ? ii : null;
            }
        } else {
            if (format === 'dddd') {
                ii = indexOf.call(this._weekdaysParse, llc);
                if (ii !== -1) {
                    return ii;
                }
                ii = indexOf.call(this._shortWeekdaysParse, llc);
                if (ii !== -1) {
                    return ii;
                }
                ii = indexOf.call(this._minWeekdaysParse, llc);
                return ii !== -1 ? ii : null;
            } else if (format === 'ddd') {
                ii = indexOf.call(this._shortWeekdaysParse, llc);
                if (ii !== -1) {
                    return ii;
                }
                ii = indexOf.call(this._weekdaysParse, llc);
                if (ii !== -1) {
                    return ii;
                }
                ii = indexOf.call(this._minWeekdaysParse, llc);
                return ii !== -1 ? ii : null;
            } else {
                ii = indexOf.call(this._minWeekdaysParse, llc);
                if (ii !== -1) {
                    return ii;
                }
                ii = indexOf.call(this._weekdaysParse, llc);
                if (ii !== -1) {
                    return ii;
                }
                ii = indexOf.call(this._shortWeekdaysParse, llc);
                return ii !== -1 ? ii : null;
            }
        }
    }

    function localeWeekdaysParse (weekdayName, format, strict) {
        var i, mom, regex;

        if (this._weekdaysParseExact) {
            return day_of_week__handleStrictParse.call(this, weekdayName, format, strict);
        }

        if (!this._weekdaysParse) {
            this._weekdaysParse = [];
            this._minWeekdaysParse = [];
            this._shortWeekdaysParse = [];
            this._fullWeekdaysParse = [];
        }

        for (i = 0; i < 7; i++) {
            // make the regex if we don't have it already

            mom = create_utc__createUTC([2000, 1]).day(i);
            if (strict && !this._fullWeekdaysParse[i]) {
                this._fullWeekdaysParse[i] = new RegExp('^' + this.weekdays(mom, '').replace('.', '\.?') + '$', 'i');
                this._shortWeekdaysParse[i] = new RegExp('^' + this.weekdaysShort(mom, '').replace('.', '\.?') + '$', 'i');
                this._minWeekdaysParse[i] = new RegExp('^' + this.weekdaysMin(mom, '').replace('.', '\.?') + '$', 'i');
            }
            if (!this._weekdaysParse[i]) {
                regex = '^' + this.weekdays(mom, '') + '|^' + this.weekdaysShort(mom, '') + '|^' + this.weekdaysMin(mom, '');
                this._weekdaysParse[i] = new RegExp(regex.replace('.', ''), 'i');
            }
            // test the regex
            if (strict && format === 'dddd' && this._fullWeekdaysParse[i].test(weekdayName)) {
                return i;
            } else if (strict && format === 'ddd' && this._shortWeekdaysParse[i].test(weekdayName)) {
                return i;
            } else if (strict && format === 'dd' && this._minWeekdaysParse[i].test(weekdayName)) {
                return i;
            } else if (!strict && this._weekdaysParse[i].test(weekdayName)) {
                return i;
            }
        }
    }

    // MOMENTS

    function getSetDayOfWeek (input) {
        if (!this.isValid()) {
            return input != null ? this : NaN;
        }
        var day = this._isUTC ? this._d.getUTCDay() : this._d.getDay();
        if (input != null) {
            input = parseWeekday(input, this.localeData());
            return this.add(input - day, 'd');
        } else {
            return day;
        }
    }

    function getSetLocaleDayOfWeek (input) {
        if (!this.isValid()) {
            return input != null ? this : NaN;
        }
        var weekday = (this.day() + 7 - this.localeData()._week.dow) % 7;
        return input == null ? weekday : this.add(input - weekday, 'd');
    }

    function getSetISODayOfWeek (input) {
        if (!this.isValid()) {
            return input != null ? this : NaN;
        }
        // behaves the same as moment#day except
        // as a getter, returns 7 instead of 0 (1-7 range instead of 0-6)
        // as a setter, sunday should belong to the previous week.
        return input == null ? this.day() || 7 : this.day(this.day() % 7 ? input : input - 7);
    }

    var defaultWeekdaysRegex = matchWord;
    function weekdaysRegex (isStrict) {
        if (this._weekdaysParseExact) {
            if (!hasOwnProp(this, '_weekdaysRegex')) {
                computeWeekdaysParse.call(this);
            }
            if (isStrict) {
                return this._weekdaysStrictRegex;
            } else {
                return this._weekdaysRegex;
            }
        } else {
            return this._weekdaysStrictRegex && isStrict ?
                this._weekdaysStrictRegex : this._weekdaysRegex;
        }
    }

    var defaultWeekdaysShortRegex = matchWord;
    function weekdaysShortRegex (isStrict) {
        if (this._weekdaysParseExact) {
            if (!hasOwnProp(this, '_weekdaysRegex')) {
                computeWeekdaysParse.call(this);
            }
            if (isStrict) {
                return this._weekdaysShortStrictRegex;
            } else {
                return this._weekdaysShortRegex;
            }
        } else {
            return this._weekdaysShortStrictRegex && isStrict ?
                this._weekdaysShortStrictRegex : this._weekdaysShortRegex;
        }
    }

    var defaultWeekdaysMinRegex = matchWord;
    function weekdaysMinRegex (isStrict) {
        if (this._weekdaysParseExact) {
            if (!hasOwnProp(this, '_weekdaysRegex')) {
                computeWeekdaysParse.call(this);
            }
            if (isStrict) {
                return this._weekdaysMinStrictRegex;
            } else {
                return this._weekdaysMinRegex;
            }
        } else {
            return this._weekdaysMinStrictRegex && isStrict ?
                this._weekdaysMinStrictRegex : this._weekdaysMinRegex;
        }
    }


    function computeWeekdaysParse () {
        function cmpLenRev(a, b) {
            return b.length - a.length;
        }

        var minPieces = [], shortPieces = [], longPieces = [], mixedPieces = [],
            i, mom, minp, shortp, longp;
        for (i = 0; i < 7; i++) {
            // make the regex if we don't have it already
            mom = create_utc__createUTC([2000, 1]).day(i);
            minp = this.weekdaysMin(mom, '');
            shortp = this.weekdaysShort(mom, '');
            longp = this.weekdays(mom, '');
            minPieces.push(minp);
            shortPieces.push(shortp);
            longPieces.push(longp);
            mixedPieces.push(minp);
            mixedPieces.push(shortp);
            mixedPieces.push(longp);
        }
        // Sorting makes sure if one weekday (or abbr) is a prefix of another it
        // will match the longer piece.
        minPieces.sort(cmpLenRev);
        shortPieces.sort(cmpLenRev);
        longPieces.sort(cmpLenRev);
        mixedPieces.sort(cmpLenRev);
        for (i = 0; i < 7; i++) {
            shortPieces[i] = regexEscape(shortPieces[i]);
            longPieces[i] = regexEscape(longPieces[i]);
            mixedPieces[i] = regexEscape(mixedPieces[i]);
        }

        this._weekdaysRegex = new RegExp('^(' + mixedPieces.join('|') + ')', 'i');
        this._weekdaysShortRegex = this._weekdaysRegex;
        this._weekdaysMinRegex = this._weekdaysRegex;

        this._weekdaysStrictRegex = new RegExp('^(' + longPieces.join('|') + ')', 'i');
        this._weekdaysShortStrictRegex = new RegExp('^(' + shortPieces.join('|') + ')', 'i');
        this._weekdaysMinStrictRegex = new RegExp('^(' + minPieces.join('|') + ')', 'i');
    }

    // FORMATTING

    addFormatToken('DDD', ['DDDD', 3], 'DDDo', 'dayOfYear');

    // ALIASES

    addUnitAlias('dayOfYear', 'DDD');

    // PARSING

    addRegexToken('DDD',  match1to3);
    addRegexToken('DDDD', match3);
    addParseToken(['DDD', 'DDDD'], function (input, array, config) {
        config._dayOfYear = toInt(input);
    });

    // HELPERS

    // MOMENTS

    function getSetDayOfYear (input) {
        var dayOfYear = Math.round((this.clone().startOf('day') - this.clone().startOf('year')) / 864e5) + 1;
        return input == null ? dayOfYear : this.add((input - dayOfYear), 'd');
    }

    // FORMATTING

    function hFormat() {
        return this.hours() % 12 || 12;
    }

    function kFormat() {
        return this.hours() || 24;
    }

    addFormatToken('H', ['HH', 2], 0, 'hour');
    addFormatToken('h', ['hh', 2], 0, hFormat);
    addFormatToken('k', ['kk', 2], 0, kFormat);

    addFormatToken('hmm', 0, 0, function () {
        return '' + hFormat.apply(this) + zeroFill(this.minutes(), 2);
    });

    addFormatToken('hmmss', 0, 0, function () {
        return '' + hFormat.apply(this) + zeroFill(this.minutes(), 2) +
            zeroFill(this.seconds(), 2);
    });

    addFormatToken('Hmm', 0, 0, function () {
        return '' + this.hours() + zeroFill(this.minutes(), 2);
    });

    addFormatToken('Hmmss', 0, 0, function () {
        return '' + this.hours() + zeroFill(this.minutes(), 2) +
            zeroFill(this.seconds(), 2);
    });

    function meridiem (token, lowercase) {
        addFormatToken(token, 0, 0, function () {
            return this.localeData().meridiem(this.hours(), this.minutes(), lowercase);
        });
    }

    meridiem('a', true);
    meridiem('A', false);

    // ALIASES

    addUnitAlias('hour', 'h');

    // PARSING

    function matchMeridiem (isStrict, locale) {
        return locale._meridiemParse;
    }

    addRegexToken('a',  matchMeridiem);
    addRegexToken('A',  matchMeridiem);
    addRegexToken('H',  match1to2);
    addRegexToken('h',  match1to2);
    addRegexToken('HH', match1to2, match2);
    addRegexToken('hh', match1to2, match2);

    addRegexToken('hmm', match3to4);
    addRegexToken('hmmss', match5to6);
    addRegexToken('Hmm', match3to4);
    addRegexToken('Hmmss', match5to6);

    addParseToken(['H', 'HH'], HOUR);
    addParseToken(['a', 'A'], function (input, array, config) {
        config._isPm = config._locale.isPM(input);
        config._meridiem = input;
    });
    addParseToken(['h', 'hh'], function (input, array, config) {
        array[HOUR] = toInt(input);
        getParsingFlags(config).bigHour = true;
    });
    addParseToken('hmm', function (input, array, config) {
        var pos = input.length - 2;
        array[HOUR] = toInt(input.substr(0, pos));
        array[MINUTE] = toInt(input.substr(pos));
        getParsingFlags(config).bigHour = true;
    });
    addParseToken('hmmss', function (input, array, config) {
        var pos1 = input.length - 4;
        var pos2 = input.length - 2;
        array[HOUR] = toInt(input.substr(0, pos1));
        array[MINUTE] = toInt(input.substr(pos1, 2));
        array[SECOND] = toInt(input.substr(pos2));
        getParsingFlags(config).bigHour = true;
    });
    addParseToken('Hmm', function (input, array, config) {
        var pos = input.length - 2;
        array[HOUR] = toInt(input.substr(0, pos));
        array[MINUTE] = toInt(input.substr(pos));
    });
    addParseToken('Hmmss', function (input, array, config) {
        var pos1 = input.length - 4;
        var pos2 = input.length - 2;
        array[HOUR] = toInt(input.substr(0, pos1));
        array[MINUTE] = toInt(input.substr(pos1, 2));
        array[SECOND] = toInt(input.substr(pos2));
    });

    // LOCALES

    function localeIsPM (input) {
        // IE8 Quirks Mode & IE7 Standards Mode do not allow accessing strings like arrays
        // Using charAt should be more compatible.
        return ((input + '').toLowerCase().charAt(0) === 'p');
    }

    var defaultLocaleMeridiemParse = /[ap]\.?m?\.?/i;
    function localeMeridiem (hours, minutes, isLower) {
        if (hours > 11) {
            return isLower ? 'pm' : 'PM';
        } else {
            return isLower ? 'am' : 'AM';
        }
    }


    // MOMENTS

    // Setting the hour should keep the time, because the user explicitly
    // specified which hour he wants. So trying to maintain the same hour (in
    // a new timezone) makes sense. Adding/subtracting hours does not follow
    // this rule.
    var getSetHour = makeGetSet('Hours', true);

    // FORMATTING

    addFormatToken('m', ['mm', 2], 0, 'minute');

    // ALIASES

    addUnitAlias('minute', 'm');

    // PARSING

    addRegexToken('m',  match1to2);
    addRegexToken('mm', match1to2, match2);
    addParseToken(['m', 'mm'], MINUTE);

    // MOMENTS

    var getSetMinute = makeGetSet('Minutes', false);

    // FORMATTING

    addFormatToken('s', ['ss', 2], 0, 'second');

    // ALIASES

    addUnitAlias('second', 's');

    // PARSING

    addRegexToken('s',  match1to2);
    addRegexToken('ss', match1to2, match2);
    addParseToken(['s', 'ss'], SECOND);

    // MOMENTS

    var getSetSecond = makeGetSet('Seconds', false);

    // FORMATTING

    addFormatToken('S', 0, 0, function () {
        return ~~(this.millisecond() / 100);
    });

    addFormatToken(0, ['SS', 2], 0, function () {
        return ~~(this.millisecond() / 10);
    });

    addFormatToken(0, ['SSS', 3], 0, 'millisecond');
    addFormatToken(0, ['SSSS', 4], 0, function () {
        return this.millisecond() * 10;
    });
    addFormatToken(0, ['SSSSS', 5], 0, function () {
        return this.millisecond() * 100;
    });
    addFormatToken(0, ['SSSSSS', 6], 0, function () {
        return this.millisecond() * 1000;
    });
    addFormatToken(0, ['SSSSSSS', 7], 0, function () {
        return this.millisecond() * 10000;
    });
    addFormatToken(0, ['SSSSSSSS', 8], 0, function () {
        return this.millisecond() * 100000;
    });
    addFormatToken(0, ['SSSSSSSSS', 9], 0, function () {
        return this.millisecond() * 1000000;
    });


    // ALIASES

    addUnitAlias('millisecond', 'ms');

    // PARSING

    addRegexToken('S',    match1to3, match1);
    addRegexToken('SS',   match1to3, match2);
    addRegexToken('SSS',  match1to3, match3);

    var token;
    for (token = 'SSSS'; token.length <= 9; token += 'S') {
        addRegexToken(token, matchUnsigned);
    }

    function parseMs(input, array) {
        array[MILLISECOND] = toInt(('0.' + input) * 1000);
    }

    for (token = 'S'; token.length <= 9; token += 'S') {
        addParseToken(token, parseMs);
    }
    // MOMENTS

    var getSetMillisecond = makeGetSet('Milliseconds', false);

    // FORMATTING

    addFormatToken('z',  0, 0, 'zoneAbbr');
    addFormatToken('zz', 0, 0, 'zoneName');

    // MOMENTS

    function getZoneAbbr () {
        return this._isUTC ? 'UTC' : '';
    }

    function getZoneName () {
        return this._isUTC ? 'Coordinated Universal Time' : '';
    }

    var momentPrototype__proto = Moment.prototype;

    momentPrototype__proto.add               = add_subtract__add;
    momentPrototype__proto.calendar          = moment_calendar__calendar;
    momentPrototype__proto.clone             = clone;
    momentPrototype__proto.diff              = diff;
    momentPrototype__proto.endOf             = endOf;
    momentPrototype__proto.format            = format;
    momentPrototype__proto.from              = from;
    momentPrototype__proto.fromNow           = fromNow;
    momentPrototype__proto.to                = to;
    momentPrototype__proto.toNow             = toNow;
    momentPrototype__proto.get               = getSet;
    momentPrototype__proto.invalidAt         = invalidAt;
    momentPrototype__proto.isAfter           = isAfter;
    momentPrototype__proto.isBefore          = isBefore;
    momentPrototype__proto.isBetween         = isBetween;
    momentPrototype__proto.isSame            = isSame;
    momentPrototype__proto.isSameOrAfter     = isSameOrAfter;
    momentPrototype__proto.isSameOrBefore    = isSameOrBefore;
    momentPrototype__proto.isValid           = moment_valid__isValid;
    momentPrototype__proto.lang              = lang;
    momentPrototype__proto.locale            = locale;
    momentPrototype__proto.localeData        = localeData;
    momentPrototype__proto.max               = prototypeMax;
    momentPrototype__proto.min               = prototypeMin;
    momentPrototype__proto.parsingFlags      = parsingFlags;
    momentPrototype__proto.set               = getSet;
    momentPrototype__proto.startOf           = startOf;
    momentPrototype__proto.subtract          = add_subtract__subtract;
    momentPrototype__proto.toArray           = toArray;
    momentPrototype__proto.toObject          = toObject;
    momentPrototype__proto.toDate            = toDate;
    momentPrototype__proto.toISOString       = moment_format__toISOString;
    momentPrototype__proto.toJSON            = toJSON;
    momentPrototype__proto.toString          = toString;
    momentPrototype__proto.unix              = unix;
    momentPrototype__proto.valueOf           = to_type__valueOf;
    momentPrototype__proto.creationData      = creationData;

    // Year
    momentPrototype__proto.year       = getSetYear;
    momentPrototype__proto.isLeapYear = getIsLeapYear;

    // Week Year
    momentPrototype__proto.weekYear    = getSetWeekYear;
    momentPrototype__proto.isoWeekYear = getSetISOWeekYear;

    // Quarter
    momentPrototype__proto.quarter = momentPrototype__proto.quarters = getSetQuarter;

    // Month
    momentPrototype__proto.month       = getSetMonth;
    momentPrototype__proto.daysInMonth = getDaysInMonth;

    // Week
    momentPrototype__proto.week           = momentPrototype__proto.weeks        = getSetWeek;
    momentPrototype__proto.isoWeek        = momentPrototype__proto.isoWeeks     = getSetISOWeek;
    momentPrototype__proto.weeksInYear    = getWeeksInYear;
    momentPrototype__proto.isoWeeksInYear = getISOWeeksInYear;

    // Day
    momentPrototype__proto.date       = getSetDayOfMonth;
    momentPrototype__proto.day        = momentPrototype__proto.days             = getSetDayOfWeek;
    momentPrototype__proto.weekday    = getSetLocaleDayOfWeek;
    momentPrototype__proto.isoWeekday = getSetISODayOfWeek;
    momentPrototype__proto.dayOfYear  = getSetDayOfYear;

    // Hour
    momentPrototype__proto.hour = momentPrototype__proto.hours = getSetHour;

    // Minute
    momentPrototype__proto.minute = momentPrototype__proto.minutes = getSetMinute;

    // Second
    momentPrototype__proto.second = momentPrototype__proto.seconds = getSetSecond;

    // Millisecond
    momentPrototype__proto.millisecond = momentPrototype__proto.milliseconds = getSetMillisecond;

    // Offset
    momentPrototype__proto.utcOffset            = getSetOffset;
    momentPrototype__proto.utc                  = setOffsetToUTC;
    momentPrototype__proto.local                = setOffsetToLocal;
    momentPrototype__proto.parseZone            = setOffsetToParsedOffset;
    momentPrototype__proto.hasAlignedHourOffset = hasAlignedHourOffset;
    momentPrototype__proto.isDST                = isDaylightSavingTime;
    momentPrototype__proto.isDSTShifted         = isDaylightSavingTimeShifted;
    momentPrototype__proto.isLocal              = isLocal;
    momentPrototype__proto.isUtcOffset          = isUtcOffset;
    momentPrototype__proto.isUtc                = isUtc;
    momentPrototype__proto.isUTC                = isUtc;

    // Timezone
    momentPrototype__proto.zoneAbbr = getZoneAbbr;
    momentPrototype__proto.zoneName = getZoneName;

    // Deprecations
    momentPrototype__proto.dates  = deprecate('dates accessor is deprecated. Use date instead.', getSetDayOfMonth);
    momentPrototype__proto.months = deprecate('months accessor is deprecated. Use month instead', getSetMonth);
    momentPrototype__proto.years  = deprecate('years accessor is deprecated. Use year instead', getSetYear);
    momentPrototype__proto.zone   = deprecate('moment().zone is deprecated, use moment().utcOffset instead. https://github.com/moment/moment/issues/1779', getSetZone);

    var momentPrototype = momentPrototype__proto;

    function moment__createUnix (input) {
        return local__createLocal(input * 1000);
    }

    function moment__createInZone () {
        return local__createLocal.apply(null, arguments).parseZone();
    }

    var defaultCalendar = {
        sameDay : '[Today at] LT',
        nextDay : '[Tomorrow at] LT',
        nextWeek : 'dddd [at] LT',
        lastDay : '[Yesterday at] LT',
        lastWeek : '[Last] dddd [at] LT',
        sameElse : 'L'
    };

    function locale_calendar__calendar (key, mom, now) {
        var output = this._calendar[key];
        return isFunction(output) ? output.call(mom, now) : output;
    }

    var defaultLongDateFormat = {
        LTS  : 'h:mm:ss A',
        LT   : 'h:mm A',
        L    : 'MM/DD/YYYY',
        LL   : 'MMMM D, YYYY',
        LLL  : 'MMMM D, YYYY h:mm A',
        LLLL : 'dddd, MMMM D, YYYY h:mm A'
    };

    function longDateFormat (key) {
        var format = this._longDateFormat[key],
            formatUpper = this._longDateFormat[key.toUpperCase()];

        if (format || !formatUpper) {
            return format;
        }

        this._longDateFormat[key] = formatUpper.replace(/MMMM|MM|DD|dddd/g, function (val) {
            return val.slice(1);
        });

        return this._longDateFormat[key];
    }

    var defaultInvalidDate = 'Invalid date';

    function invalidDate () {
        return this._invalidDate;
    }

    var defaultOrdinal = '%d';
    var defaultOrdinalParse = /\d{1,2}/;

    function ordinal (number) {
        return this._ordinal.replace('%d', number);
    }

    function preParsePostFormat (string) {
        return string;
    }

    var defaultRelativeTime = {
        future : 'in %s',
        past   : '%s ago',
        s  : 'a few seconds',
        m  : 'a minute',
        mm : '%d minutes',
        h  : 'an hour',
        hh : '%d hours',
        d  : 'a day',
        dd : '%d days',
        M  : 'a month',
        MM : '%d months',
        y  : 'a year',
        yy : '%d years'
    };

    function relative__relativeTime (number, withoutSuffix, string, isFuture) {
        var output = this._relativeTime[string];
        return (isFunction(output)) ?
            output(number, withoutSuffix, string, isFuture) :
            output.replace(/%d/i, number);
    }

    function pastFuture (diff, output) {
        var format = this._relativeTime[diff > 0 ? 'future' : 'past'];
        return isFunction(format) ? format(output) : format.replace(/%s/i, output);
    }

    var prototype__proto = Locale.prototype;

    prototype__proto._calendar       = defaultCalendar;
    prototype__proto.calendar        = locale_calendar__calendar;
    prototype__proto._longDateFormat = defaultLongDateFormat;
    prototype__proto.longDateFormat  = longDateFormat;
    prototype__proto._invalidDate    = defaultInvalidDate;
    prototype__proto.invalidDate     = invalidDate;
    prototype__proto._ordinal        = defaultOrdinal;
    prototype__proto.ordinal         = ordinal;
    prototype__proto._ordinalParse   = defaultOrdinalParse;
    prototype__proto.preparse        = preParsePostFormat;
    prototype__proto.postformat      = preParsePostFormat;
    prototype__proto._relativeTime   = defaultRelativeTime;
    prototype__proto.relativeTime    = relative__relativeTime;
    prototype__proto.pastFuture      = pastFuture;
    prototype__proto.set             = locale_set__set;

    // Month
    prototype__proto.months            =        localeMonths;
    prototype__proto._months           = defaultLocaleMonths;
    prototype__proto.monthsShort       =        localeMonthsShort;
    prototype__proto._monthsShort      = defaultLocaleMonthsShort;
    prototype__proto.monthsParse       =        localeMonthsParse;
    prototype__proto._monthsRegex      = defaultMonthsRegex;
    prototype__proto.monthsRegex       = monthsRegex;
    prototype__proto._monthsShortRegex = defaultMonthsShortRegex;
    prototype__proto.monthsShortRegex  = monthsShortRegex;

    // Week
    prototype__proto.week = localeWeek;
    prototype__proto._week = defaultLocaleWeek;
    prototype__proto.firstDayOfYear = localeFirstDayOfYear;
    prototype__proto.firstDayOfWeek = localeFirstDayOfWeek;

    // Day of Week
    prototype__proto.weekdays       =        localeWeekdays;
    prototype__proto._weekdays      = defaultLocaleWeekdays;
    prototype__proto.weekdaysMin    =        localeWeekdaysMin;
    prototype__proto._weekdaysMin   = defaultLocaleWeekdaysMin;
    prototype__proto.weekdaysShort  =        localeWeekdaysShort;
    prototype__proto._weekdaysShort = defaultLocaleWeekdaysShort;
    prototype__proto.weekdaysParse  =        localeWeekdaysParse;

    prototype__proto._weekdaysRegex      = defaultWeekdaysRegex;
    prototype__proto.weekdaysRegex       =        weekdaysRegex;
    prototype__proto._weekdaysShortRegex = defaultWeekdaysShortRegex;
    prototype__proto.weekdaysShortRegex  =        weekdaysShortRegex;
    prototype__proto._weekdaysMinRegex   = defaultWeekdaysMinRegex;
    prototype__proto.weekdaysMinRegex    =        weekdaysMinRegex;

    // Hours
    prototype__proto.isPM = localeIsPM;
    prototype__proto._meridiemParse = defaultLocaleMeridiemParse;
    prototype__proto.meridiem = localeMeridiem;

    function lists__get (format, index, field, setter) {
        var locale = locale_locales__getLocale();
        var utc = create_utc__createUTC().set(setter, index);
        return locale[field](utc, format);
    }

    function listMonthsImpl (format, index, field) {
        if (typeof format === 'number') {
            index = format;
            format = undefined;
        }

        format = format || '';

        if (index != null) {
            return lists__get(format, index, field, 'month');
        }

        var i;
        var out = [];
        for (i = 0; i < 12; i++) {
            out[i] = lists__get(format, i, field, 'month');
        }
        return out;
    }

    // ()
    // (5)
    // (fmt, 5)
    // (fmt)
    // (true)
    // (true, 5)
    // (true, fmt, 5)
    // (true, fmt)
    function listWeekdaysImpl (localeSorted, format, index, field) {
        if (typeof localeSorted === 'boolean') {
            if (typeof format === 'number') {
                index = format;
                format = undefined;
            }

            format = format || '';
        } else {
            format = localeSorted;
            index = format;
            localeSorted = false;

            if (typeof format === 'number') {
                index = format;
                format = undefined;
            }

            format = format || '';
        }

        var locale = locale_locales__getLocale(),
            shift = localeSorted ? locale._week.dow : 0;

        if (index != null) {
            return lists__get(format, (index + shift) % 7, field, 'day');
        }

        var i;
        var out = [];
        for (i = 0; i < 7; i++) {
            out[i] = lists__get(format, (i + shift) % 7, field, 'day');
        }
        return out;
    }

    function lists__listMonths (format, index) {
        return listMonthsImpl(format, index, 'months');
    }

    function lists__listMonthsShort (format, index) {
        return listMonthsImpl(format, index, 'monthsShort');
    }

    function lists__listWeekdays (localeSorted, format, index) {
        return listWeekdaysImpl(localeSorted, format, index, 'weekdays');
    }

    function lists__listWeekdaysShort (localeSorted, format, index) {
        return listWeekdaysImpl(localeSorted, format, index, 'weekdaysShort');
    }

    function lists__listWeekdaysMin (localeSorted, format, index) {
        return listWeekdaysImpl(localeSorted, format, index, 'weekdaysMin');
    }

    locale_locales__getSetGlobalLocale('en', {
        ordinalParse: /\d{1,2}(th|st|nd|rd)/,
        ordinal : function (number) {
            var b = number % 10,
                output = (toInt(number % 100 / 10) === 1) ? 'th' :
                (b === 1) ? 'st' :
                (b === 2) ? 'nd' :
                (b === 3) ? 'rd' : 'th';
            return number + output;
        }
    });

    // Side effect imports
    utils_hooks__hooks.lang = deprecate('moment.lang is deprecated. Use moment.locale instead.', locale_locales__getSetGlobalLocale);
    utils_hooks__hooks.langData = deprecate('moment.langData is deprecated. Use moment.localeData instead.', locale_locales__getLocale);

    var mathAbs = Math.abs;

    function duration_abs__abs () {
        var data           = this._data;

        this._milliseconds = mathAbs(this._milliseconds);
        this._days         = mathAbs(this._days);
        this._months       = mathAbs(this._months);

        data.milliseconds  = mathAbs(data.milliseconds);
        data.seconds       = mathAbs(data.seconds);
        data.minutes       = mathAbs(data.minutes);
        data.hours         = mathAbs(data.hours);
        data.months        = mathAbs(data.months);
        data.years         = mathAbs(data.years);

        return this;
    }

    function duration_add_subtract__addSubtract (duration, input, value, direction) {
        var other = create__createDuration(input, value);

        duration._milliseconds += direction * other._milliseconds;
        duration._days         += direction * other._days;
        duration._months       += direction * other._months;

        return duration._bubble();
    }

    // supports only 2.0-style add(1, 's') or add(duration)
    function duration_add_subtract__add (input, value) {
        return duration_add_subtract__addSubtract(this, input, value, 1);
    }

    // supports only 2.0-style subtract(1, 's') or subtract(duration)
    function duration_add_subtract__subtract (input, value) {
        return duration_add_subtract__addSubtract(this, input, value, -1);
    }

    function absCeil (number) {
        if (number < 0) {
            return Math.floor(number);
        } else {
            return Math.ceil(number);
        }
    }

    function bubble () {
        var milliseconds = this._milliseconds;
        var days         = this._days;
        var months       = this._months;
        var data         = this._data;
        var seconds, minutes, hours, years, monthsFromDays;

        // if we have a mix of positive and negative values, bubble down first
        // check: https://github.com/moment/moment/issues/2166
        if (!((milliseconds >= 0 && days >= 0 && months >= 0) ||
                (milliseconds <= 0 && days <= 0 && months <= 0))) {
            milliseconds += absCeil(monthsToDays(months) + days) * 864e5;
            days = 0;
            months = 0;
        }

        // The following code bubbles up values, see the tests for
        // examples of what that means.
        data.milliseconds = milliseconds % 1000;

        seconds           = absFloor(milliseconds / 1000);
        data.seconds      = seconds % 60;

        minutes           = absFloor(seconds / 60);
        data.minutes      = minutes % 60;

        hours             = absFloor(minutes / 60);
        data.hours        = hours % 24;

        days += absFloor(hours / 24);

        // convert days to months
        monthsFromDays = absFloor(daysToMonths(days));
        months += monthsFromDays;
        days -= absCeil(monthsToDays(monthsFromDays));

        // 12 months -> 1 year
        years = absFloor(months / 12);
        months %= 12;

        data.days   = days;
        data.months = months;
        data.years  = years;

        return this;
    }

    function daysToMonths (days) {
        // 400 years have 146097 days (taking into account leap year rules)
        // 400 years have 12 months === 4800
        return days * 4800 / 146097;
    }

    function monthsToDays (months) {
        // the reverse of daysToMonths
        return months * 146097 / 4800;
    }

    function as (units) {
        var days;
        var months;
        var milliseconds = this._milliseconds;

        units = normalizeUnits(units);

        if (units === 'month' || units === 'year') {
            days   = this._days   + milliseconds / 864e5;
            months = this._months + daysToMonths(days);
            return units === 'month' ? months : months / 12;
        } else {
            // handle milliseconds separately because of floating point math errors (issue #1867)
            days = this._days + Math.round(monthsToDays(this._months));
            switch (units) {
                case 'week'   : return days / 7     + milliseconds / 6048e5;
                case 'day'    : return days         + milliseconds / 864e5;
                case 'hour'   : return days * 24    + milliseconds / 36e5;
                case 'minute' : return days * 1440  + milliseconds / 6e4;
                case 'second' : return days * 86400 + milliseconds / 1000;
                // Math.floor prevents floating point math errors here
                case 'millisecond': return Math.floor(days * 864e5) + milliseconds;
                default: throw new Error('Unknown unit ' + units);
            }
        }
    }

    // TODO: Use this.as('ms')?
    function duration_as__valueOf () {
        return (
            this._milliseconds +
            this._days * 864e5 +
            (this._months % 12) * 2592e6 +
            toInt(this._months / 12) * 31536e6
        );
    }

    function makeAs (alias) {
        return function () {
            return this.as(alias);
        };
    }

    var asMilliseconds = makeAs('ms');
    var asSeconds      = makeAs('s');
    var asMinutes      = makeAs('m');
    var asHours        = makeAs('h');
    var asDays         = makeAs('d');
    var asWeeks        = makeAs('w');
    var asMonths       = makeAs('M');
    var asYears        = makeAs('y');

    function duration_get__get (units) {
        units = normalizeUnits(units);
        return this[units + 's']();
    }

    function makeGetter(name) {
        return function () {
            return this._data[name];
        };
    }

    var milliseconds = makeGetter('milliseconds');
    var seconds      = makeGetter('seconds');
    var minutes      = makeGetter('minutes');
    var hours        = makeGetter('hours');
    var days         = makeGetter('days');
    var months       = makeGetter('months');
    var years        = makeGetter('years');

    function weeks () {
        return absFloor(this.days() / 7);
    }

    var round = Math.round;
    var thresholds = {
        s: 45,  // seconds to minute
        m: 45,  // minutes to hour
        h: 22,  // hours to day
        d: 26,  // days to month
        M: 11   // months to year
    };

    // helper function for moment.fn.from, moment.fn.fromNow, and moment.duration.fn.humanize
    function substituteTimeAgo(string, number, withoutSuffix, isFuture, locale) {
        return locale.relativeTime(number || 1, !!withoutSuffix, string, isFuture);
    }

    function duration_humanize__relativeTime (posNegDuration, withoutSuffix, locale) {
        var duration = create__createDuration(posNegDuration).abs();
        var seconds  = round(duration.as('s'));
        var minutes  = round(duration.as('m'));
        var hours    = round(duration.as('h'));
        var days     = round(duration.as('d'));
        var months   = round(duration.as('M'));
        var years    = round(duration.as('y'));

        var a = seconds < thresholds.s && ['s', seconds]  ||
                minutes <= 1           && ['m']           ||
                minutes < thresholds.m && ['mm', minutes] ||
                hours   <= 1           && ['h']           ||
                hours   < thresholds.h && ['hh', hours]   ||
                days    <= 1           && ['d']           ||
                days    < thresholds.d && ['dd', days]    ||
                months  <= 1           && ['M']           ||
                months  < thresholds.M && ['MM', months]  ||
                years   <= 1           && ['y']           || ['yy', years];

        a[2] = withoutSuffix;
        a[3] = +posNegDuration > 0;
        a[4] = locale;
        return substituteTimeAgo.apply(null, a);
    }

    // This function allows you to set a threshold for relative time strings
    function duration_humanize__getSetRelativeTimeThreshold (threshold, limit) {
        if (thresholds[threshold] === undefined) {
            return false;
        }
        if (limit === undefined) {
            return thresholds[threshold];
        }
        thresholds[threshold] = limit;
        return true;
    }

    function humanize (withSuffix) {
        var locale = this.localeData();
        var output = duration_humanize__relativeTime(this, !withSuffix, locale);

        if (withSuffix) {
            output = locale.pastFuture(+this, output);
        }

        return locale.postformat(output);
    }

    var iso_string__abs = Math.abs;

    function iso_string__toISOString() {
        // for ISO strings we do not use the normal bubbling rules:
        //  * milliseconds bubble up until they become hours
        //  * days do not bubble at all
        //  * months bubble up until they become years
        // This is because there is no context-free conversion between hours and days
        // (think of clock changes)
        // and also not between days and months (28-31 days per month)
        var seconds = iso_string__abs(this._milliseconds) / 1000;
        var days         = iso_string__abs(this._days);
        var months       = iso_string__abs(this._months);
        var minutes, hours, years;

        // 3600 seconds -> 60 minutes -> 1 hour
        minutes           = absFloor(seconds / 60);
        hours             = absFloor(minutes / 60);
        seconds %= 60;
        minutes %= 60;

        // 12 months -> 1 year
        years  = absFloor(months / 12);
        months %= 12;


        // inspired by https://github.com/dordille/moment-isoduration/blob/master/moment.isoduration.js
        var Y = years;
        var M = months;
        var D = days;
        var h = hours;
        var m = minutes;
        var s = seconds;
        var total = this.asSeconds();

        if (!total) {
            // this is the same as C#'s (Noda) and python (isodate)...
            // but not other JS (goog.date)
            return 'P0D';
        }

        return (total < 0 ? '-' : '') +
            'P' +
            (Y ? Y + 'Y' : '') +
            (M ? M + 'M' : '') +
            (D ? D + 'D' : '') +
            ((h || m || s) ? 'T' : '') +
            (h ? h + 'H' : '') +
            (m ? m + 'M' : '') +
            (s ? s + 'S' : '');
    }

    var duration_prototype__proto = Duration.prototype;

    duration_prototype__proto.abs            = duration_abs__abs;
    duration_prototype__proto.add            = duration_add_subtract__add;
    duration_prototype__proto.subtract       = duration_add_subtract__subtract;
    duration_prototype__proto.as             = as;
    duration_prototype__proto.asMilliseconds = asMilliseconds;
    duration_prototype__proto.asSeconds      = asSeconds;
    duration_prototype__proto.asMinutes      = asMinutes;
    duration_prototype__proto.asHours        = asHours;
    duration_prototype__proto.asDays         = asDays;
    duration_prototype__proto.asWeeks        = asWeeks;
    duration_prototype__proto.asMonths       = asMonths;
    duration_prototype__proto.asYears        = asYears;
    duration_prototype__proto.valueOf        = duration_as__valueOf;
    duration_prototype__proto._bubble        = bubble;
    duration_prototype__proto.get            = duration_get__get;
    duration_prototype__proto.milliseconds   = milliseconds;
    duration_prototype__proto.seconds        = seconds;
    duration_prototype__proto.minutes        = minutes;
    duration_prototype__proto.hours          = hours;
    duration_prototype__proto.days           = days;
    duration_prototype__proto.weeks          = weeks;
    duration_prototype__proto.months         = months;
    duration_prototype__proto.years          = years;
    duration_prototype__proto.humanize       = humanize;
    duration_prototype__proto.toISOString    = iso_string__toISOString;
    duration_prototype__proto.toString       = iso_string__toISOString;
    duration_prototype__proto.toJSON         = iso_string__toISOString;
    duration_prototype__proto.locale         = locale;
    duration_prototype__proto.localeData     = localeData;

    // Deprecations
    duration_prototype__proto.toIsoString = deprecate('toIsoString() is deprecated. Please use toISOString() instead (notice the capitals)', iso_string__toISOString);
    duration_prototype__proto.lang = lang;

    // Side effect imports

    // FORMATTING

    addFormatToken('X', 0, 0, 'unix');
    addFormatToken('x', 0, 0, 'valueOf');

    // PARSING

    addRegexToken('x', matchSigned);
    addRegexToken('X', matchTimestamp);
    addParseToken('X', function (input, array, config) {
        config._d = new Date(parseFloat(input, 10) * 1000);
    });
    addParseToken('x', function (input, array, config) {
        config._d = new Date(toInt(input));
    });

    // Side effect imports


    utils_hooks__hooks.version = '2.13.0';

    setHookCallback(local__createLocal);

    utils_hooks__hooks.fn                    = momentPrototype;
    utils_hooks__hooks.min                   = min;
    utils_hooks__hooks.max                   = max;
    utils_hooks__hooks.now                   = now;
    utils_hooks__hooks.utc                   = create_utc__createUTC;
    utils_hooks__hooks.unix                  = moment__createUnix;
    utils_hooks__hooks.months                = lists__listMonths;
    utils_hooks__hooks.isDate                = isDate;
    utils_hooks__hooks.locale                = locale_locales__getSetGlobalLocale;
    utils_hooks__hooks.invalid               = valid__createInvalid;
    utils_hooks__hooks.duration              = create__createDuration;
    utils_hooks__hooks.isMoment              = isMoment;
    utils_hooks__hooks.weekdays              = lists__listWeekdays;
    utils_hooks__hooks.parseZone             = moment__createInZone;
    utils_hooks__hooks.localeData            = locale_locales__getLocale;
    utils_hooks__hooks.isDuration            = isDuration;
    utils_hooks__hooks.monthsShort           = lists__listMonthsShort;
    utils_hooks__hooks.weekdaysMin           = lists__listWeekdaysMin;
    utils_hooks__hooks.defineLocale          = defineLocale;
    utils_hooks__hooks.updateLocale          = updateLocale;
    utils_hooks__hooks.locales               = locale_locales__listLocales;
    utils_hooks__hooks.weekdaysShort         = lists__listWeekdaysShort;
    utils_hooks__hooks.normalizeUnits        = normalizeUnits;
    utils_hooks__hooks.relativeTimeThreshold = duration_humanize__getSetRelativeTimeThreshold;
    utils_hooks__hooks.prototype             = momentPrototype;

    var _moment = utils_hooks__hooks;

    return _moment;

}));;
// Uses CommonJS, AMD or browser globals to create a module.
// Based on: https://github.com/umdjs/umd/blob/master/commonjsStrict.js
(function (root, factory) {
    if (typeof define === 'function' && define.amd) {
        // AMD. Register as an anonymous module.
        define(['exports'], factory);
    } else if (typeof exports === 'object') {
        // CommonJS
        factory(exports);
    } else {
        // Browser globals
        factory((root.rison = {}));
    }
}(this, function (exports) {
var rison = exports;

//////////////////////////////////////////////////
//
//  the stringifier is based on
//    http://json.org/json.js as of 2006-04-28 from json.org
//  the parser is based on 
//    http://osteele.com/sources/openlaszlo/json
//

if (typeof rison == 'undefined')
    window.rison = {};

/**
 *  rules for an uri encoder that is more tolerant than encodeURIComponent
 *
 *  encodeURIComponent passes  ~!*()-_.'
 *
 *  we also allow              ,:@$/
 *
 */
rison.uri_ok = {  // ok in url paths and in form query args
            '~': true,  '!': true,  '*': true,  '(': true,  ')': true,
            '-': true,  '_': true,  '.': true,  ',': true,
            ':': true,  '@': true,  '$': true,
            "'": true,  '/': true
};

/*
 * we divide the uri-safe glyphs into three sets
 *   <rison> - used by rison                         ' ! : ( ) ,
 *   <reserved> - not common in strings, reserved    * @ $ & ; =
 *
 * we define <identifier> as anything that's not forbidden
 */

/**
 * punctuation characters that are legal inside ids.
 */
// this var isn't actually used
//rison.idchar_punctuation = "_-./~";  

(function () {
    var l = [];
    for (var hi = 0; hi < 16; hi++) {
        for (var lo = 0; lo < 16; lo++) {
            if (hi+lo == 0) continue;
            var c = String.fromCharCode(hi*16 + lo);
            if (! /\w|[-_.\/~]/.test(c))
                l.push('\\u00' + hi.toString(16) + lo.toString(16));
        }
    }
    /**
     * characters that are illegal inside ids.
     * <rison> and <reserved> classes are illegal in ids.
     *
     */
    rison.not_idchar = l.join('')
    //idcrx = new RegExp('[' + rison.not_idchar + ']');
    //console.log('NOT', (idcrx.test(' ')) );
})();
//rison.not_idchar  = " \t\r\n\"<>[]{}'!=:(),*@$;&";
rison.not_idchar  = " '!:(),*@$";


/**
 * characters that are illegal as the start of an id
 * this is so ids can't look like numbers.
 */
rison.not_idstart = "-0123456789";


(function () {
    var idrx = '[^' + rison.not_idstart + rison.not_idchar + 
               '][^' + rison.not_idchar + ']*';

    rison.id_ok = new RegExp('^' + idrx + '$');

    // regexp to find the end of an id when parsing
    // g flag on the regexp is necessary for iterative regexp.exec()
    rison.next_id = new RegExp(idrx, 'g');
})();

/**
 * this is like encodeURIComponent() but quotes fewer characters.
 *
 * @see rison.uri_ok
 *
 * encodeURIComponent passes   ~!*()-_.'
 * rison.quote also passes   ,:@$/
 *   and quotes " " as "+" instead of "%20"
 */
rison.quote = function(x) {
    if (/^[-A-Za-z0-9~!*()_.',:@$\/]*$/.test(x))
        return x;

    return encodeURIComponent(x)
        .replace(/%2C/g, ',')
        .replace(/%3A/g, ':')
        .replace(/%40/g, '@')
        .replace(/%24/g, '$')
        .replace(/%2F/g, '/')
        .replace(/%20/g, '+');
};


//
//  based on json.js 2006-04-28 from json.org
//  license: http://www.json.org/license.html
//
//  hacked by nix for use in uris.
//

(function () {
    var sq = { // url-ok but quoted in strings
               "'": true,  '!': true
    },
    enc = function (v) {
        if (v && typeof v.toJSON === 'function') v = v.toJSON();
        var fn = s[typeof v];
        if (fn) return fn(v);
    },
    s = {
            array: function (x) {
                var a = ['!('], b, f, i, l = x.length, v;
                for (i = 0; i < l; i += 1) {
                    v = enc(x[i]);
                    if (typeof v == 'string') {
                        if (b) {
                            a[a.length] = ',';
                        }
                        a[a.length] = v;
                        b = true;
                    }
                }
                a[a.length] = ')';
                return a.join('');
            },
            'boolean': function (x) {
                if (x)
                    return '!t';
                return '!f'
            },
            'null': function (x) {
                return "!n";
            },
            number: function (x) {
                if (!isFinite(x))
                    return '!n';
                // strip '+' out of exponent, '-' is ok though
                return String(x).replace(/\+/,'');
            },
            object: function (x) {
                if (x) {
                    if (x instanceof Array) {
                        return s.array(x);
                    }
                    // WILL: will this work on non-Firefox browsers?
                    if (typeof x.__prototype__ === 'object' && typeof x.__prototype__.encode_rison !== 'undefined')
                        return x.encode_rison();

                    var a = ['('], b, f, i, v, ki, ks=[];
                    for (i in x)
                        ks[ks.length] = i;
                    ks.sort();
                    for (ki = 0; ki < ks.length; ki++) {
                        i = ks[ki];
                        v = enc(x[i]);
                        if (typeof v == 'string') {
                            if (b) {
                                a[a.length] = ',';
                            }
                            a.push(s.string(i), ':', v);
                            b = true;
                        }
                    }
                    a[a.length] = ')';
                    return a.join('');
                }
                return '!n';
            },
            string: function (x) {
                if (x == '')
                    return "''";

                if (rison.id_ok.test(x))
                    return x;

                x = x.replace(/(['!])/g, function(a, b) {
                    if (sq[b]) return '!'+b;
                    return b;
                });
                return "'" + x + "'";
            },
            undefined: function (x) {
                // ignore undefined just like JSON
                return;
            }
        };


    /**
     * rison-encode a javascript structure
     *
     *  implemementation based on Douglas Crockford's json.js:
     *    http://json.org/json.js as of 2006-04-28 from json.org
     *
     */
    rison.encode = function (v) {
        return enc(v);
    };

    /**
     * rison-encode a javascript object without surrounding parens
     *
     */
    rison.encode_object = function (v) {
        if (typeof v != 'object' || v === null || v instanceof Array)
            throw new Error("rison.encode_object expects an object argument");
        var r = s[typeof v](v);
        return r.substring(1, r.length-1);
    };

    /**
     * rison-encode a javascript array without surrounding parens
     *
     */
    rison.encode_array = function (v) {
        if (!(v instanceof Array))
            throw new Error("rison.encode_array expects an array argument");
        var r = s[typeof v](v);
        return r.substring(2, r.length-1);
    };

    /**
     * rison-encode and uri-encode a javascript structure
     *
     */
    rison.encode_uri = function (v) {
        return rison.quote(s[typeof v](v));
    };

})();




//
// based on openlaszlo-json and hacked by nix for use in uris.
//
// Author: Oliver Steele
// Copyright: Copyright 2006 Oliver Steele.  All rights reserved.
// Homepage: http://osteele.com/sources/openlaszlo/json
// License: MIT License.
// Version: 1.0


/**
 * parse a rison string into a javascript structure.
 *
 * this is the simplest decoder entry point.
 *
 *  based on Oliver Steele's OpenLaszlo-JSON
 *     http://osteele.com/sources/openlaszlo/json
 */
rison.decode = function(r) {
    var errcb = function(e) { throw Error('rison decoder error: ' + e); };
    var p = new rison.parser(errcb);
    return p.parse(r);
};

/**
 * parse an o-rison string into a javascript structure.
 *
 * this simply adds parentheses around the string before parsing.
 */
rison.decode_object = function(r) {
    return rison.decode('('+r+')');
};

/**
 * parse an a-rison string into a javascript structure.
 *
 * this simply adds array markup around the string before parsing.
 */
rison.decode_array = function(r) {
    return rison.decode('!('+r+')');
};


/**
 * construct a new parser object for reuse.
 *
 * @constructor
 * @class A Rison parser class.  You should probably 
 *        use rison.decode instead. 
 * @see rison.decode
 */
rison.parser = function (errcb) {
    this.errorHandler = errcb;
};

/**
 * a string containing acceptable whitespace characters.
 * by default the rison decoder tolerates no whitespace.
 * to accept whitespace set rison.parser.WHITESPACE = " \t\n\r\f";
 */
rison.parser.WHITESPACE = "";

// expose this as-is?
rison.parser.prototype.setOptions = function (options) {
    if (options['errorHandler'])
        this.errorHandler = options.errorHandler;
};

/**
 * parse a rison string into a javascript structure.
 */
rison.parser.prototype.parse = function (str) {
    this.string = str;
    this.index = 0;
    this.message = null;
    var value = this.readValue();
    if (!this.message && this.next())
        value = this.error("unable to parse string as rison: '" + rison.encode(str) + "'");
    if (this.message && this.errorHandler)
        this.errorHandler(this.message, this.index);
    return value;
};

rison.parser.prototype.error = function (message) {
    if (typeof(console) != 'undefined')
        console.log('rison parser error: ', message);
    this.message = message;
    return undefined;
}
    
rison.parser.prototype.readValue = function () {
    var c = this.next();
    var fn = c && this.table[c];

    if (fn)
        return fn.apply(this);

    // fell through table, parse as an id

    var s = this.string;
    var i = this.index-1;

    // Regexp.lastIndex may not work right in IE before 5.5?
    // g flag on the regexp is also necessary
    rison.next_id.lastIndex = i;
    var m = rison.next_id.exec(s);

    // console.log('matched id', i, r.lastIndex);

    if (m.length > 0) {
        var id = m[0];
        this.index = i+id.length;
        return id;  // a string
    }

    if (c) return this.error("invalid character: '" + c + "'");
    return this.error("empty expression");
}

rison.parser.parse_array = function (parser) {
    var ar = [];
    var c;
    while ((c = parser.next()) != ')') {
        if (!c) return parser.error("unmatched '!('");
        if (ar.length) {
            if (c != ',')
                parser.error("missing ','");
        } else if (c == ',') {
            return parser.error("extra ','");
        } else
            --parser.index;
        var n = parser.readValue();
        if (typeof n == "undefined") return undefined;
        ar.push(n);
    }
    return ar;
};

rison.parser.bangs = {
    t: true,
    f: false,
    n: null,
    '(': rison.parser.parse_array
}

rison.parser.prototype.table = {
    '!': function () {
        var s = this.string;
        var c = s.charAt(this.index++);
        if (!c) return this.error('"!" at end of input');
        var x = rison.parser.bangs[c];
        if (typeof(x) == 'function') {
            return x.call(null, this);
        } else if (typeof(x) == 'undefined') {
            return this.error('unknown literal: "!' + c + '"');
        }
        return x;
    },
    '(': function () {
        var o = {};
        var c;
        var count = 0;
        while ((c = this.next()) != ')') {
            if (count) {
                if (c != ',')
                    this.error("missing ','");
            } else if (c == ',') {
                return this.error("extra ','");
            } else
                --this.index;
            var k = this.readValue();
            if (typeof k == "undefined") return undefined;
            if (this.next() != ':') return this.error("missing ':'");
            var v = this.readValue();
            if (typeof v == "undefined") return undefined;
            o[k] = v;
            count++;
        }
        return o;
    },
    "'": function () {
        var s = this.string;
        var i = this.index;
        var start = i;
        var segments = [];
        var c;
        while ((c = s.charAt(i++)) != "'") {
            //if (i == s.length) return this.error('unmatched "\'"');
            if (!c) return this.error('unmatched "\'"');
            if (c == '!') {
                if (start < i-1)
                    segments.push(s.slice(start, i-1));
                c = s.charAt(i++);
                if ("!'".indexOf(c) >= 0) {
                    segments.push(c);
                } else {
                    return this.error('invalid string escape: "!'+c+'"');
                }
                start = i;
            }
        }
        if (start < i-1)
            segments.push(s.slice(start, i-1));
        this.index = i;
        return segments.length == 1 ? segments[0] : segments.join('');
    },
    // Also any digit.  The statement that follows this table
    // definition fills in the digits.
    '-': function () {
        var s = this.string;
        var i = this.index;
        var start = i-1;
        var state = 'int';
        var permittedSigns = '-';
        var transitions = {
            'int+.': 'frac',
            'int+e': 'exp',
            'frac+e': 'exp'
        };
        do {
            var c = s.charAt(i++);
            if (!c) break;
            if ('0' <= c && c <= '9') continue;
            if (permittedSigns.indexOf(c) >= 0) {
                permittedSigns = '';
                continue;
            }
            state = transitions[state+'+'+c.toLowerCase()];
            if (state == 'exp') permittedSigns = '-';
        } while (state);
        this.index = --i;
        s = s.slice(start, i)
        if (s == '-') return this.error("invalid number");
        return Number(s);
    }
};
// copy table['-'] to each of table[i] | i <- '0'..'9':
(function (table) {
    for (var i = 0; i <= 9; i++)
        table[String(i)] = table['-'];
})(rison.parser.prototype.table);

// return the next non-whitespace character, or undefined
rison.parser.prototype.next = function () {
    var c;
    var s = this.string;
    var i = this.index;
    do {
        if (i == s.length) return undefined;
        c = s.charAt(i++);
    } while (rison.parser.WHITESPACE.indexOf(c) >= 0);
    this.index = i;
    return c;
};

// End of UMD module wrapper
}));;
// ==ClosureCompiler==
// @compilation_level ADVANCED_OPTIMIZATIONS
// @externs_url https://raw.githubusercontent.com/google/closure-compiler/master/contrib/externs/maps/google_maps_api_v3.js
// ==/ClosureCompiler==

/**
 * @name MarkerClusterer for Google Maps v3
 * @version version 1.0
 * @author Luke Mahe
 * @fileoverview
 * The library creates and manages per-zoom-level clusters for large amounts of
 * markers.
 * <br/>
 * This is a v3 implementation of the
 * <a href="http://gmaps-utility-library-dev.googlecode.com/svn/tags/markerclusterer/"
 * >v2 MarkerClusterer</a>.
 */

/**
 * @license
 * Copyright 2010 Google Inc. All Rights Reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */


/**
 * A Marker Clusterer that clusters markers.
 *
 * @param {google.maps.Map} map The Google map to attach to.
 * @param {Array.<google.maps.Marker>=} opt_markers Optional markers to add to
 *   the cluster.
 * @param {Object=} opt_options support the following options:
 *     'gridSize': (number) The grid size of a cluster in pixels.
 *     'maxZoom': (number) The maximum zoom level that a marker can be part of a
 *                cluster.
 *     'zoomOnClick': (boolean) Whether the default behaviour of clicking on a
 *                    cluster is to zoom into it.
 *     'averageCenter': (boolean) Whether the center of each cluster should be
 *                      the average of all markers in the cluster.
 *     'minimumClusterSize': (number) The minimum number of markers to be in a
 *                           cluster before the markers are hidden and a count
 *                           is shown.
 *     'styles': (object) An object that has style properties:
 *       'url': (string) The image url.
 *       'height': (number) The image height.
 *       'width': (number) The image width.
 *       'anchor': (Array) The anchor position of the label text.
 *       'textColor': (string) The text color.
 *       'textSize': (number) The text size.
 *       'backgroundPosition': (string) The position of the backgound x, y.
 *       'iconAnchor': (Array) The anchor position of the icon x, y.
 * @constructor
 * @extends google.maps.OverlayView
 */
function MarkerClusterer(map, opt_markers, opt_options) {
  // MarkerClusterer implements google.maps.OverlayView interface. We use the
  // extend function to extend MarkerClusterer with google.maps.OverlayView
  // because it might not always be available when the code is defined so we
  // look for it at the last possible moment. If it doesn't exist now then
  // there is no point going ahead :)
  this.extend(MarkerClusterer, google.maps.OverlayView);
  this.map_ = map;
  this.listeners = {};

  /**
   * @type {Array.<google.maps.Marker>}
   * @private
   */
  this.markers_ = [];

  /**
   *  @type {Array.<Cluster>}
   */
  this.clusters_ = [];

  this.sizes = [53, 56, 66, 78, 90];

  /**
   * @private
   */
  this.styles_ = [];

  /**
   * @type {boolean}
   * @private
   */
  this.ready_ = false;

  var options = opt_options || {};

  /**
   * @type {number}
   * @private
   */
  this.gridSize_ = options['gridSize'] || 60;

  /**
   * @private
   */
  this.minClusterSize_ = options['minimumClusterSize'] || 2;


  /**
   * @type {?number}
   * @private
   */
  this.maxZoom_ = options['maxZoom'] || null;

  this.styles_ = options['styles'] || [];

  /**
   * @type {string}
   * @private
   */
  this.imagePath_ = options['imagePath'] ||
      this.MARKER_CLUSTER_IMAGE_PATH_;

  /**
   * @type {string}
   * @private
   */
  this.imageExtension_ = options['imageExtension'] ||
      this.MARKER_CLUSTER_IMAGE_EXTENSION_;

  /**
   * @type {boolean}
   * @private
   */
  this.zoomOnClick_ = true;

  if (options['zoomOnClick'] != undefined) {
    this.zoomOnClick_ = options['zoomOnClick'];
  }

  /**
   * @type {boolean}
   * @private
   */
  this.averageCenter_ = false;

  if (options['averageCenter'] != undefined) {
    this.averageCenter_ = options['averageCenter'];
  }

  this.setupStyles_();

  this.setMap(map);

  // Finally, add the markers
  if (opt_markers && opt_markers.length) {
    this.addMarkers(opt_markers, false);
  }
}


/**
 * The marker cluster image path.
 *
 * @type {string}
 * @private
 */
MarkerClusterer.prototype.MARKER_CLUSTER_IMAGE_PATH_ = '../images/m';


/**
 * The marker cluster image path.
 *
 * @type {string}
 * @private
 */
MarkerClusterer.prototype.MARKER_CLUSTER_IMAGE_EXTENSION_ = 'png';


/**
 * Extends a objects prototype by anothers.
 *
 * @param {Object} obj1 The object to be extended.
 * @param {Object} obj2 The object to extend with.
 * @return {Object} The new extended object.
 * @ignore
 */
MarkerClusterer.prototype.extend = function(obj1, obj2) {
  return (function(object) {
    for (var property in object.prototype) {
      this.prototype[property] = object.prototype[property];
    }
    return this;
  }).apply(obj1, [obj2]);
};


/**
 * Implementaion of the interface method.
 * @ignore
 */
MarkerClusterer.prototype.onAdd = function() {
  this.setReady_(true);
};

/**
 * Implementaion of the interface method.
 * @ignore
 */
MarkerClusterer.prototype.onRemove = function () {
    this.setReady_(false);
};

/**
 * Implementaion of the interface method.
 * @ignore
 */
MarkerClusterer.prototype.draw = function() {};

/**
 * Sets up the styles object.
 *
 * @private
 */
MarkerClusterer.prototype.setupStyles_ = function() {
  if (this.styles_.length) {
    return;
  }

  for (var i = 0, size; size = this.sizes[i]; i++) {
    this.styles_.push({
      url: this.imagePath_ + (i + 1) + '.' + this.imageExtension_,
      height: size,
      width: size
    });
  }
};

/**
 *  Fit the map to the bounds of the markers in the clusterer.
 */
MarkerClusterer.prototype.fitMapToMarkers = function() {
  var markers = this.getMarkers();
  var bounds = new google.maps.LatLngBounds();
  for (var i = 0, marker; marker = markers[i]; i++) {
    bounds.extend(marker.getPosition());
  }

  this.map_.fitBounds(bounds);
};


/**
 *  Sets the styles.
 *
 *  @param {Object} styles The style to set.
 */
MarkerClusterer.prototype.setStyles = function(styles) {
  this.styles_ = styles;
};


/**
 *  Gets the styles.
 *
 *  @return {Object} The styles object.
 */
MarkerClusterer.prototype.getStyles = function() {
  return this.styles_;
};


/**
 * Whether zoom on click is set.
 *
 * @return {boolean} True if zoomOnClick_ is set.
 */
MarkerClusterer.prototype.isZoomOnClick = function() {
  return this.zoomOnClick_;
};

/**
 * Whether average center is set.
 *
 * @return {boolean} True if averageCenter_ is set.
 */
MarkerClusterer.prototype.isAverageCenter = function() {
  return this.averageCenter_;
};


/**
 *  Returns the array of markers in the clusterer.
 *
 *  @return {Array.<google.maps.Marker>} The markers.
 */
MarkerClusterer.prototype.getMarkers = function() {
  return this.markers_;
};


/**
 *  Returns the number of markers in the clusterer
 *
 *  @return {Number} The number of markers.
 */
MarkerClusterer.prototype.getTotalMarkers = function() {
  return this.markers_.length;
};


/**
 *  Sets the max zoom for the clusterer.
 *
 *  @param {number} maxZoom The max zoom level.
 */
MarkerClusterer.prototype.setMaxZoom = function(maxZoom) {
  this.maxZoom_ = maxZoom;
};


/**
 *  Gets the max zoom for the clusterer.
 *
 *  @return {number} The max zoom level.
 */
MarkerClusterer.prototype.getMaxZoom = function() {
  return this.maxZoom_;
};


/**
 *  The function for calculating the cluster icon image.
 *
 *  @param {Array.<google.maps.Marker>} markers The markers in the clusterer.
 *  @param {number} numStyles The number of styles available.
 *  @return {Object} A object properties: 'text' (string) and 'index' (number).
 *  @private
 */
MarkerClusterer.prototype.calculator_ = function(markers, numStyles) {
  var index = 0;
  var count = markers.length;
  var dv = count;
  while (dv !== 0) {
    dv = parseInt(dv / 10, 10);
    index++;
  }

  index = Math.min(index, numStyles);
  return {
    text: count,
    index: index
  };
};


/**
 * Set the calculator function.
 *
 * @param {function(Array, number)} calculator The function to set as the
 *     calculator. The function should return a object properties:
 *     'text' (string) and 'index' (number).
 *
 */
MarkerClusterer.prototype.setCalculator = function(calculator) {
  this.calculator_ = calculator;
};


/**
 * Get the calculator function.
 *
 * @return {function(Array, number)} the calculator function.
 */
MarkerClusterer.prototype.getCalculator = function() {
  return this.calculator_;
};


/**
 * Add an array of markers to the clusterer.
 *
 * @param {Array.<google.maps.Marker>} markers The markers to add.
 * @param {boolean=} opt_nodraw Whether to redraw the clusters.
 */
MarkerClusterer.prototype.addMarkers = function(markers, opt_nodraw) {
  for (var i = 0, marker; marker = markers[i]; i++) {
    this.pushMarkerTo_(marker);
  }
  if (!opt_nodraw) {
    this.redraw();
  }
};


/**
 * Pushes a marker to the clusterer.
 *
 * @param {google.maps.Marker} marker The marker to add.
 * @private
 */
MarkerClusterer.prototype.pushMarkerTo_ = function(marker) {
  marker.isAdded = false;
  if (marker['draggable']) {
    // If the marker is draggable add a listener so we update the clusters on
    // the drag end.
    var that = this;
    this.listeners.dragend = google.maps.event.addListener(marker, 'dragend', function() {
      marker.isAdded = false;
      that.repaint();
    });
  }
  this.markers_.push(marker);
};


/**
 * Adds a marker to the clusterer and redraws if needed.
 *
 * @param {google.maps.Marker} marker The marker to add.
 * @param {boolean=} opt_nodraw Whether to redraw the clusters.
 */
MarkerClusterer.prototype.addMarker = function(marker, opt_nodraw) {
  this.pushMarkerTo_(marker);
  if (!opt_nodraw) {
    this.redraw();
  }
};


/**
 * Removes a marker and returns true if removed, false if not
 *
 * @param {google.maps.Marker} marker The marker to remove
 * @return {boolean} Whether the marker was removed or not
 * @private
 */
MarkerClusterer.prototype.removeMarker_ = function(marker) {
  var index = -1;
  if (this.markers_.indexOf) {
    index = this.markers_.indexOf(marker);
  } else {
    for (var i = 0, m; m = this.markers_[i]; i++) {
      if (m == marker) {
        index = i;
        break;
      }
    }
  }

  if (index == -1) {
    // Marker is not in our list of markers.
    return false;
  }

  marker.setMap(null);

  this.markers_.splice(index, 1);
  return true;
};


/**
 * Remove a marker from the cluster.
 *
 * @param {google.maps.Marker} marker The marker to remove.
 * @param {boolean=} opt_nodraw Optional boolean to force no redraw.
 * @return {boolean} True if the marker was removed.
 */
MarkerClusterer.prototype.removeMarker = function(marker, opt_nodraw) {
  var removed = this.removeMarker_(marker);

  if (!opt_nodraw && removed) {
    this.resetViewport();
    this.redraw();
    return true;
  } else {
   return false;
  }
};


/**
 * Removes an array of markers from the cluster.
 *
 * @param {Array.<google.maps.Marker>} markers The markers to remove.
 * @param {boolean=} opt_nodraw Optional boolean to force no redraw.
 */
MarkerClusterer.prototype.removeMarkers = function(markers, opt_nodraw) {
  var removed = false;

  for (var i = 0, marker; marker = markers[i]; i++) {
    var r = this.removeMarker_(marker);
    removed = removed || r;
  }

  if (!opt_nodraw && removed) {
    this.resetViewport();
    this.redraw();
    return true;
  }
};


/**
 * Sets the clusterer's ready state.
 *
 * @param {boolean} ready The state.
 * @private
 */
MarkerClusterer.prototype.setReady_ = function(ready) {
  if (ready == this.ready_) {return;}
  this.ready_ = ready;
  if (this.ready_) {
    if (!this.map) return;
    this.map_ = this.map;
    this.prevZoom_ = this.map.getZoom();
    // Add the map event listeners
    var that = this;
    this.listeners.zoom_changed = google.maps.event.addListener(this.map_, 'zoom_changed', function() {
        var zoom = that.map_.getZoom();

        if (that.prevZoom_ != zoom) {
          that.prevZoom_ = zoom;
          that.resetViewport();
        }
    });
    this.listeners.idle = google.maps.event.addListener(this.map_, 'idle', function() {
        that.redraw();
    });
    if(this.markers_ && this.markers_.length){
        for (var i = 0, marker; marker = this.markers_[i]; i++) {
            marker.setMap(this.map);
        }
    }
    this.createClusters_();
  } else {
    this.resetViewport(true);
    // remove event listeners on the map
    for(var key in this.listeners) {
        google.maps.event.removeListener(this.listeners[key]);
        delete this.listeners[key];
    }
    this.map_ = null;
  }
};


/**
 * Returns the number of clusters in the clusterer.
 *
 * @return {number} The number of clusters.
 */
MarkerClusterer.prototype.getTotalClusters = function() {
  return this.clusters_.length;
};


/**
 * Returns the google map that the clusterer is associated with.
 *
 * @return {google.maps.Map} The map.
 */
MarkerClusterer.prototype.getMap = function() {
  return this.map_;
};


/**
 * Sets the google map that the clusterer is associated with.
 *
 * @param {google.maps.Map} map The map.
 */
MarkerClusterer.prototype.setMap = function(map) {
  this.map_ = map;
};


/**
 * Returns the size of the grid.
 *
 * @return {number} The grid size.
 */
MarkerClusterer.prototype.getGridSize = function() {
  return this.gridSize_;
};


/**
 * Sets the size of the grid.
 *
 * @param {number} size The grid size.
 */
MarkerClusterer.prototype.setGridSize = function(size) {
  this.gridSize_ = size;
};


/**
 * Returns the min cluster size.
 *
 * @return {number} The grid size.
 */
MarkerClusterer.prototype.getMinClusterSize = function() {
  return this.minClusterSize_;
};

/**
 * Sets the min cluster size.
 *
 * @param {number} size The grid size.
 */
MarkerClusterer.prototype.setMinClusterSize = function(size) {
  this.minClusterSize_ = size;
};


/**
 * Extends a bounds object by the grid size.
 *
 * @param {google.maps.LatLngBounds} bounds The bounds to extend.
 * @return {google.maps.LatLngBounds} The extended bounds.
 */
MarkerClusterer.prototype.getExtendedBounds = function(bounds) {
  var projection = this.getProjection();

  // Turn the bounds into latlng.
  var tr = new google.maps.LatLng(bounds.getNorthEast().lat(),
      bounds.getNorthEast().lng());
  var bl = new google.maps.LatLng(bounds.getSouthWest().lat(),
      bounds.getSouthWest().lng());

  // Convert the points to pixels and the extend out by the grid size.
  var trPix = projection.fromLatLngToDivPixel(tr);
  trPix.x += this.gridSize_;
  trPix.y -= this.gridSize_;

  var blPix = projection.fromLatLngToDivPixel(bl);
  blPix.x -= this.gridSize_;
  blPix.y += this.gridSize_;

  // Convert the pixel points back to LatLng
  var ne = projection.fromDivPixelToLatLng(trPix);
  var sw = projection.fromDivPixelToLatLng(blPix);

  // Extend the bounds to contain the new bounds.
  bounds.extend(ne);
  bounds.extend(sw);

  return bounds;
};


/**
 * Determins if a marker is contained in a bounds.
 *
 * @param {google.maps.Marker} marker The marker to check.
 * @param {google.maps.LatLngBounds} bounds The bounds to check against.
 * @return {boolean} True if the marker is in the bounds.
 * @private
 */
MarkerClusterer.prototype.isMarkerInBounds_ = function(marker, bounds) {
  return bounds.contains(marker.getPosition());
};


/**
 * Clears all clusters and markers from the clusterer.
 */
MarkerClusterer.prototype.clearMarkers = function() {
  this.resetViewport(true);

  // Set the markers a empty array.
  this.markers_ = [];
};


/**
 * Clears all existing clusters and recreates them.
 * @param {boolean} opt_hide To also hide the marker.
 */
MarkerClusterer.prototype.resetViewport = function(opt_hide) {
  // Remove all the clusters
  for (var i = 0, cluster; cluster = this.clusters_[i]; i++) {
    cluster.remove();
  }

  // Reset the markers to not be added and to be invisible.
  for (var i = 0, marker; marker = this.markers_[i]; i++) {
    marker.isAdded = false;
    if (opt_hide) {
      marker.setMap(null);
    }
  }

  this.clusters_ = [];
};

/**
 *
 */
MarkerClusterer.prototype.repaint = function() {
  var oldClusters = this.clusters_.slice();
  this.clusters_.length = 0;
  this.resetViewport();
  this.redraw();

  // Remove the old clusters.
  // Do it in a timeout so the other clusters have been drawn first.
  window.setTimeout(function() {
    for (var i = 0, cluster; cluster = oldClusters[i]; i++) {
      cluster.remove();
    }
  }, 0);
};


/**
 * Redraws the clusters.
 */
MarkerClusterer.prototype.redraw = function() {
  this.createClusters_();
};


/**
 * Calculates the distance between two latlng locations in km.
 * @see http://www.movable-type.co.uk/scripts/latlong.html
 *
 * @param {google.maps.LatLng} p1 The first lat lng point.
 * @param {google.maps.LatLng} p2 The second lat lng point.
 * @return {number} The distance between the two points in km.
 * @private
*/
MarkerClusterer.prototype.distanceBetweenPoints_ = function(p1, p2) {
  if (!p1 || !p2) {
    return 0;
  }

  var R = 6371; // Radius of the Earth in km
  var dLat = (p2.lat() - p1.lat()) * Math.PI / 180;
  var dLon = (p2.lng() - p1.lng()) * Math.PI / 180;
  var a = Math.sin(dLat / 2) * Math.sin(dLat / 2) +
    Math.cos(p1.lat() * Math.PI / 180) * Math.cos(p2.lat() * Math.PI / 180) *
    Math.sin(dLon / 2) * Math.sin(dLon / 2);
  var c = 2 * Math.atan2(Math.sqrt(a), Math.sqrt(1 - a));
  var d = R * c;
  return d;
};


/**
 * Add a marker to a cluster, or creates a new cluster.
 *
 * @param {google.maps.Marker} marker The marker to add.
 * @private
 */
MarkerClusterer.prototype.addToClosestCluster_ = function(marker) {
  var distance = 40000; // Some large number
  var clusterToAddTo = null;
  var pos = marker.getPosition();
  for (var i = 0, cluster; cluster = this.clusters_[i]; i++) {
    var center = cluster.getCenter();
    if (center) {
      var d = this.distanceBetweenPoints_(center, marker.getPosition());
      if (d < distance) {
        distance = d;
        clusterToAddTo = cluster;
      }
    }
  }

  if (clusterToAddTo && clusterToAddTo.isMarkerInClusterBounds(marker)) {
    clusterToAddTo.addMarker(marker);
  } else {
    var cluster = new Cluster(this);
    cluster.addMarker(marker);
    this.clusters_.push(cluster);
  }
};


/**
 * Creates the clusters.
 *
 * @private
 */
MarkerClusterer.prototype.createClusters_ = function() {
  if (!this.ready_) {
    return;
  }

  // Get our current map view bounds.
  // Create a new bounds object so we don't affect the map.
  var mapBounds = new google.maps.LatLngBounds(this.map_.getBounds().getSouthWest(),
      this.map_.getBounds().getNorthEast());
  var bounds = this.getExtendedBounds(mapBounds);

  for (var i = 0, marker; marker = this.markers_[i]; i++) {
    if (!marker.isAdded && this.isMarkerInBounds_(marker, bounds)) {
      this.addToClosestCluster_(marker);
    }
  }
};


/**
 * A cluster that contains markers.
 *
 * @param {MarkerClusterer} markerClusterer The markerclusterer that this
 *     cluster is associated with.
 * @constructor
 * @ignore
 */
function Cluster(markerClusterer) {
  this.markerClusterer_ = markerClusterer;
  this.map_ = markerClusterer.getMap();
  this.gridSize_ = markerClusterer.getGridSize();
  this.minClusterSize_ = markerClusterer.getMinClusterSize();
  this.averageCenter_ = markerClusterer.isAverageCenter();
  this.center_ = null;
  this.markers_ = [];
  this.bounds_ = null;
  this.clusterIcon_ = new ClusterIcon(this, markerClusterer.getStyles(),
      markerClusterer.getGridSize());
}

/**
 * Determins if a marker is already added to the cluster.
 *
 * @param {google.maps.Marker} marker The marker to check.
 * @return {boolean} True if the marker is already added.
 */
Cluster.prototype.isMarkerAlreadyAdded = function(marker) {
  if (this.markers_.indexOf) {
    return this.markers_.indexOf(marker) != -1;
  } else {
    for (var i = 0, m; m = this.markers_[i]; i++) {
      if (m == marker) {
        return true;
      }
    }
  }
  return false;
};


/**
 * Add a marker the cluster.
 *
 * @param {google.maps.Marker} marker The marker to add.
 * @return {boolean} True if the marker was added.
 */
Cluster.prototype.addMarker = function(marker) {
  if (this.isMarkerAlreadyAdded(marker)) {
    return false;
  }

  if (!this.center_) {
    this.center_ = marker.getPosition();
    this.calculateBounds_();
  } else {
    if (this.averageCenter_) {
      var l = this.markers_.length + 1;
      var lat = (this.center_.lat() * (l-1) + marker.getPosition().lat()) / l;
      var lng = (this.center_.lng() * (l-1) + marker.getPosition().lng()) / l;
      this.center_ = new google.maps.LatLng(lat, lng);
      this.calculateBounds_();
    }
  }

  marker.isAdded = true;
  this.markers_.push(marker);

  var len = this.markers_.length;
  if (len < this.minClusterSize_ && marker.getMap() != this.map_) {
    // Min cluster size not reached so show the marker.
    marker.setMap(this.map_);
  }

  if (len == this.minClusterSize_) {
    // Hide the markers that were showing.
    for (var i = 0; i < len; i++) {
      this.markers_[i].setMap(null);
    }
  }

  if (len >= this.minClusterSize_) {
    marker.setMap(null);
  }

  this.updateIcon();
  return true;
};


/**
 * Returns the marker clusterer that the cluster is associated with.
 *
 * @return {MarkerClusterer} The associated marker clusterer.
 */
Cluster.prototype.getMarkerClusterer = function() {
  return this.markerClusterer_;
};


/**
 * Returns the bounds of the cluster.
 *
 * @return {google.maps.LatLngBounds} the cluster bounds.
 */
Cluster.prototype.getBounds = function() {
  var bounds = new google.maps.LatLngBounds(this.center_, this.center_);
  var markers = this.getMarkers();
  for (var i = 0, marker; marker = markers[i]; i++) {
    bounds.extend(marker.getPosition());
  }
  return bounds;
};


/**
 * Removes the cluster
 */
Cluster.prototype.remove = function() {
  this.clusterIcon_.remove();
  this.markers_.length = 0;
  delete this.markers_;
};


/**
 * Returns the center of the cluster.
 *
 * @return {number} The cluster center.
 */
Cluster.prototype.getSize = function() {
  return this.markers_.length;
};


/**
 * Returns the center of the cluster.
 *
 * @return {Array.<google.maps.Marker>} The cluster center.
 */
Cluster.prototype.getMarkers = function() {
  return this.markers_;
};


/**
 * Returns the center of the cluster.
 *
 * @return {google.maps.LatLng} The cluster center.
 */
Cluster.prototype.getCenter = function() {
  return this.center_;
};


/**
 * Calculated the extended bounds of the cluster with the grid.
 *
 * @private
 */
Cluster.prototype.calculateBounds_ = function() {
  var bounds = new google.maps.LatLngBounds(this.center_, this.center_);
  this.bounds_ = this.markerClusterer_.getExtendedBounds(bounds);
};


/**
 * Determines if a marker lies in the clusters bounds.
 *
 * @param {google.maps.Marker} marker The marker to check.
 * @return {boolean} True if the marker lies in the bounds.
 */
Cluster.prototype.isMarkerInClusterBounds = function(marker) {
  return this.bounds_.contains(marker.getPosition());
};


/**
 * Returns the map that the cluster is associated with.
 *
 * @return {google.maps.Map} The map.
 */
Cluster.prototype.getMap = function() {
  return this.map_;
};


/**
 * Updates the cluster icon
 */
Cluster.prototype.updateIcon = function() {
  var zoom = this.map_.getZoom();
  var mz = this.markerClusterer_.getMaxZoom();

  if (mz && zoom > mz) {
    // The zoom is greater than our max zoom so show all the markers in cluster.
    for (var i = 0, marker; marker = this.markers_[i]; i++) {
      marker.setMap(this.map_);
    }
    return;
  }

  if (this.markers_.length < this.minClusterSize_) {
    // Min cluster size not yet reached.
    this.clusterIcon_.hide();
    return;
  }

  var numStyles = this.markerClusterer_.getStyles().length;
  var sums = this.markerClusterer_.getCalculator()(this.markers_, numStyles);
  this.clusterIcon_.setCenter(this.center_);
  this.clusterIcon_.setSums(sums);
  this.clusterIcon_.show();
};


/**
 * A cluster icon
 *
 * @param {Cluster} cluster The cluster to be associated with.
 * @param {Object} styles An object that has style properties:
 *     'url': (string) The image url.
 *     'height': (number) The image height.
 *     'width': (number) The image width.
 *     'anchor': (Array) The anchor position of the label text.
 *     'textColor': (string) The text color.
 *     'textSize': (number) The text size.
 *     'backgroundPosition: (string) The background postition x, y.
 * @param {number=} opt_padding Optional padding to apply to the cluster icon.
 * @constructor
 * @extends google.maps.OverlayView
 * @ignore
 */
function ClusterIcon(cluster, styles, opt_padding) {
  cluster.getMarkerClusterer().extend(ClusterIcon, google.maps.OverlayView);

  this.styles_ = styles;
  this.padding_ = opt_padding || 0;
  this.cluster_ = cluster;
  this.center_ = null;
  this.map_ = cluster.getMap();
  this.div_ = null;
  this.sums_ = null;
  this.visible_ = false;

  this.setMap(this.map_);
}


/**
 * Triggers the clusterclick event and zoom's if the option is set.
 *
 * @param {google.maps.MouseEvent} event The event to propagate
 */
ClusterIcon.prototype.triggerClusterClick = function(event) {
  var markerClusterer = this.cluster_.getMarkerClusterer();

  // Trigger the clusterclick event.
  google.maps.event.trigger(markerClusterer, 'clusterclick', this.cluster_, event);

  if (markerClusterer.isZoomOnClick()) {
    // Zoom into the cluster.
    this.map_.fitBounds(this.cluster_.getBounds());
  }
};


/**
 * Adding the cluster icon to the dom.
 * @ignore
 */
ClusterIcon.prototype.onAdd = function() {
  this.div_ = document.createElement('DIV');
  if (this.visible_) {
    var pos = this.getPosFromLatLng_(this.center_);
    this.div_.style.cssText = this.createCss(pos);
    this.div_.innerHTML = this.sums_.text;
  }

  var panes = this.getPanes();
  panes.overlayMouseTarget.appendChild(this.div_);

  var that = this;
  var isDragging = false;
  google.maps.event.addDomListener(this.div_, 'click', function(event) {
    // Only perform click when not preceded by a drag
    if (!isDragging) {
      that.triggerClusterClick(event);
    }
  });
  google.maps.event.addDomListener(this.div_, 'mousedown', function() {
    isDragging = false;
  });
  google.maps.event.addDomListener(this.div_, 'mousemove', function() {
    isDragging = true;
  });
};


/**
 * Returns the position to place the div dending on the latlng.
 *
 * @param {google.maps.LatLng} latlng The position in latlng.
 * @return {google.maps.Point} The position in pixels.
 * @private
 */
ClusterIcon.prototype.getPosFromLatLng_ = function(latlng) {
  var pos = this.getProjection().fromLatLngToDivPixel(latlng);

  if (typeof this.iconAnchor_ === 'object' && this.iconAnchor_.length === 2) {
    pos.x -= this.iconAnchor_[0];
    pos.y -= this.iconAnchor_[1];
  } else {
    pos.x -= parseInt(this.width_ / 2, 10);
    pos.y -= parseInt(this.height_ / 2, 10);
  }
  return pos;
};


/**
 * Draw the icon.
 * @ignore
 */
ClusterIcon.prototype.draw = function() {
  if (this.visible_) {
    var pos = this.getPosFromLatLng_(this.center_);
    this.div_.style.top = pos.y + 'px';
    this.div_.style.left = pos.x + 'px';
  }
};


/**
 * Hide the icon.
 */
ClusterIcon.prototype.hide = function() {
  if (this.div_) {
    this.div_.style.display = 'none';
  }
  this.visible_ = false;
};


/**
 * Position and show the icon.
 */
ClusterIcon.prototype.show = function() {
  if (this.div_) {
    var pos = this.getPosFromLatLng_(this.center_);
    this.div_.style.cssText = this.createCss(pos);
    this.div_.style.display = '';
  }
  this.visible_ = true;
};


/**
 * Remove the icon from the map
 */
ClusterIcon.prototype.remove = function() {
  this.setMap(null);
};


/**
 * Implementation of the onRemove interface.
 * @ignore
 */
ClusterIcon.prototype.onRemove = function() {
  if (this.div_ && this.div_.parentNode) {
    this.hide();
    this.div_.parentNode.removeChild(this.div_);
    this.div_ = null;
  }
};


/**
 * Set the sums of the icon.
 *
 * @param {Object} sums The sums containing:
 *   'text': (string) The text to display in the icon.
 *   'index': (number) The style index of the icon.
 */
ClusterIcon.prototype.setSums = function(sums) {
  this.sums_ = sums;
  this.text_ = sums.text;
  this.index_ = sums.index;
  if (this.div_) {
    this.div_.innerHTML = sums.text;
  }

  this.useStyle();
};


/**
 * Sets the icon to the the styles.
 */
ClusterIcon.prototype.useStyle = function() {
  var index = Math.max(0, this.sums_.index - 1);
  index = Math.min(this.styles_.length - 1, index);
  var style = this.styles_[index];
  this.url_ = style['url'];
  this.height_ = style['height'];
  this.width_ = style['width'];
  this.textColor_ = style['textColor'];
  this.anchor_ = style['anchor'];
  this.textSize_ = style['textSize'];
  this.backgroundPosition_ = style['backgroundPosition'];
  this.iconAnchor_ = style['iconAnchor'];
};


/**
 * Sets the center of the icon.
 *
 * @param {google.maps.LatLng} center The latlng to set as the center.
 */
ClusterIcon.prototype.setCenter = function(center) {
  this.center_ = center;
};


/**
 * Create the css text based on the position of the icon.
 *
 * @param {google.maps.Point} pos The position.
 * @return {string} The css style text.
 */
ClusterIcon.prototype.createCss = function(pos) {
  var style = [];
  style.push('background-image:url(' + this.url_ + ');');
  var backgroundPosition = this.backgroundPosition_ ? this.backgroundPosition_ : '0 0';
  style.push('background-position:' + backgroundPosition + ';');

  if (typeof this.anchor_ === 'object') {
    if (typeof this.anchor_[0] === 'number' && this.anchor_[0] > 0 &&
        this.anchor_[0] < this.height_) {
      style.push('height:' + (this.height_ - this.anchor_[0]) +
          'px; padding-top:' + this.anchor_[0] + 'px;');
    } else if (typeof this.anchor_[0] === 'number' && this.anchor_[0] < 0 &&
        -this.anchor_[0] < this.height_) {
      style.push('height:' + this.height_ + 'px; line-height:' + (this.height_ + this.anchor_[0]) +
          'px;');
    } else {
      style.push('height:' + this.height_ + 'px; line-height:' + this.height_ +
          'px;');
    }
    if (typeof this.anchor_[1] === 'number' && this.anchor_[1] > 0 &&
        this.anchor_[1] < this.width_) {
      style.push('width:' + (this.width_ - this.anchor_[1]) +
          'px; padding-left:' + this.anchor_[1] + 'px;');
    } else {
      style.push('width:' + this.width_ + 'px; text-align:center;');
    }
  } else {
    style.push('height:' + this.height_ + 'px; line-height:' +
        this.height_ + 'px; width:' + this.width_ + 'px; text-align:center;');
  }

  var txtColor = this.textColor_ ? this.textColor_ : 'black';
  var txtSize = this.textSize_ ? this.textSize_ : 11;

  style.push('cursor:pointer; top:' + pos.y + 'px; left:' +
      pos.x + 'px; color:' + txtColor + '; position:absolute; font-size:' +
      txtSize + 'px; font-family:Arial,sans-serif; font-weight:bold');
  return style.join('');
};


// Export Symbols for Closure
// If you are not going to compile with closure then you can remove the
// code below.
window['MarkerClusterer'] = MarkerClusterer;
MarkerClusterer.prototype['addMarker'] = MarkerClusterer.prototype.addMarker;
MarkerClusterer.prototype['addMarkers'] = MarkerClusterer.prototype.addMarkers;
MarkerClusterer.prototype['clearMarkers'] =
    MarkerClusterer.prototype.clearMarkers;
MarkerClusterer.prototype['fitMapToMarkers'] =
    MarkerClusterer.prototype.fitMapToMarkers;
MarkerClusterer.prototype['getCalculator'] =
    MarkerClusterer.prototype.getCalculator;
MarkerClusterer.prototype['getGridSize'] =
    MarkerClusterer.prototype.getGridSize;
MarkerClusterer.prototype['getExtendedBounds'] =
    MarkerClusterer.prototype.getExtendedBounds;
MarkerClusterer.prototype['getMap'] = MarkerClusterer.prototype.getMap;
MarkerClusterer.prototype['getMarkers'] = MarkerClusterer.prototype.getMarkers;
MarkerClusterer.prototype['getMaxZoom'] = MarkerClusterer.prototype.getMaxZoom;
MarkerClusterer.prototype['getStyles'] = MarkerClusterer.prototype.getStyles;
MarkerClusterer.prototype['getTotalClusters'] =
    MarkerClusterer.prototype.getTotalClusters;
MarkerClusterer.prototype['getTotalMarkers'] =
    MarkerClusterer.prototype.getTotalMarkers;
MarkerClusterer.prototype['redraw'] = MarkerClusterer.prototype.redraw;
MarkerClusterer.prototype['removeMarker'] =
    MarkerClusterer.prototype.removeMarker;
MarkerClusterer.prototype['removeMarkers'] =
    MarkerClusterer.prototype.removeMarkers;
MarkerClusterer.prototype['resetViewport'] =
    MarkerClusterer.prototype.resetViewport;
MarkerClusterer.prototype['repaint'] =
    MarkerClusterer.prototype.repaint;
MarkerClusterer.prototype['setCalculator'] =
    MarkerClusterer.prototype.setCalculator;
MarkerClusterer.prototype['setGridSize'] =
    MarkerClusterer.prototype.setGridSize;
MarkerClusterer.prototype['setMaxZoom'] =
    MarkerClusterer.prototype.setMaxZoom;
MarkerClusterer.prototype['onAdd'] = MarkerClusterer.prototype.onAdd;
MarkerClusterer.prototype['draw'] = MarkerClusterer.prototype.draw;

Cluster.prototype['getCenter'] = Cluster.prototype.getCenter;
Cluster.prototype['getSize'] = Cluster.prototype.getSize;
Cluster.prototype['getMarkers'] = Cluster.prototype.getMarkers;

ClusterIcon.prototype['onAdd'] = ClusterIcon.prototype.onAdd;
ClusterIcon.prototype['draw'] = ClusterIcon.prototype.draw;
ClusterIcon.prototype['onRemove'] = ClusterIcon.prototype.onRemove;;
/// <reference path="~/Scripts/jquery-3.7.1-vsdoc.js" />
/// <reference path="~/Scripts/masonry.pkgd.js" />
/// <reference path="~/Scripts/imagesloaded.pkgd.js" />
/// <reference path="~/Scripts/rison.js" />
/// <reference path="~/Scripts/knockout-3.3.0.js" />
/// <reference path="~/Scripts/knockout.mapping-latest.js" />

/// Static data that can be pulled form the cms if needed
var baseUrl = 'https://admin.myvikingstory.com/api/v1'; // PRD
//var baseUrl = 'https://m3-server.sourcetoadtest.com/api/v1'; // UAT
//var baseUrl = 'http://api.m3.dev/api/v1'; // DEV

var vikingTodayCallOuts = [{
    Title: "Create Your Own Viking Story",
    ButtonText: "Find a Cruise",
    ButtonUrl: "http://www.vikingrivercruises.com/search-cruises/index.html"
},
{
    Title: "Create Your Own Viking Story",
    ButtonText: "Find a Cruise",
    ButtonUrl: "http://www.vikingrivercruises.com/search-cruises/index.html"
},
{
    Title: "Create Your Own Viking Story",
    ButtonText: "Find a Cruise",
    ButtonUrl: "http://www.vikingrivercruises.com/search-cruises/index.html"
}];
var vrctMarkerCluster = null;
var vrctMarkers = [];
var vrctMap = null;

var vikingTodayCountries = [
    { "lat": 28.028983699999998, "long": 1.6661938500000133, "rad": "868 mi", "Name": "Algeria" },
    { "lat": 17.330859349999997, "long": -62.002412600000014, "rad": "36 mi", "Name": "Antigua and Barbuda" },
    //{ "lat": 12.5175643, "long": -69.96568460000003, "rad": "10 mi", "Name": "Aruba" },
    //{ "lat": -31.99851995, "long": 136.08852975000002, "rad": "2165 mi", "Name": "Australia" },
    { "lat": 47.6964719, "long": 13.34573475000002, "rad": "198 mi", "Name": "Austria" },
    { "lat": 13.19013255, "long": -59.53556394999998, "rad": "13 mi", "Name": "Barbados" },
    { "lat": 50.501078899999996, "long": 4.476747299999943, "rad": "109 mi", "Name": "Belgium" },
    //{ "lat": 17.1907805, "long": -88.35965744999999, "rad": "107 mi", "Name": "Belize" },
    //{ "lat": 32.3190197, "long": -64.76742704999998, "rad": "9 mi", "Name": "Bermuda" },
    //{ "lat": -14.2396023, "long": -51.6638633, "rad": "2041 mi", "Name": "Brazil" },
    { "lat": 18.5279399, "long": -64.5604098, "rad": "24 mi", "Name": "British Virgin Islands" },
    //{ "lat": 4.52424865, "long": 114.7196265, "rad": "57 mi", "Name": "Brunei" },
    { "lat": 42.7253401, "long": 25.48330400000009, "rad": "188 mi", "Name": "Bulgaria" },
    { "lat": 12.30010325, "long": 104.98061444999996, "rad": "243 mi", "Name": "Cambodia" },
    { "lat": 62.38610609999999, "long": -96.81128319999999, "rad": "1600 mi", "Name": "Canada" },
    { "lat": 35.85815855, "long": 104.13611170000001, "rad": "1000 mi", "Name": "China" },
    //{ "lat": 4.584408099999999, "long": -74.293836, "rad": "793 mi", "Name": "Colombia" },
    { "lat": -15.43787115, "long": -161.5999766, "rad": "536 mi", "Name": "Cook Islands" },
    //{ "lat": 8.3594215, "long": -84.82355810000001, "rad": "251 mi", "Name": "Costa Rica" },
    { "lat": 44.46644675, "long": 16.468871799999988, "rad": "204 mi", "Name": "Croatia" },
    { "lat": 21.5513258, "long": -79.54205594999996, "rad": "366 mi", "Name": "Cuba" },
    //{ "lat": 12.1853768, "long": -68.90114310000001, "rad": "23 mi", "Name": "Curaçao" },
    { "lat": 35.1697497, "long": 33.43698210000002, "rad": "76 mi", "Name": "Cyprus" },
    { "lat": 49.8037633, "long": 15.474912599999925, "rad": "172 mi", "Name": "Czech Republic" },
    { "lat": 56.155491049999995, "long": 11.634761099999992, "rad": "174 mi", "Name": "Denmark" },
    { "lat": 18.701006800000002, "long": -70.16476340000003, "rad": "147 mi", "Name": "Dominican Republic" },
    { "lat": 26.8357673, "long": 30.795659800000067, "rad": "497 mi", "Name": "Egypt" },
    { "lat": 58.60481039999999, "long": 24.987226050000004, "rad": "137 mi", "Name": "Estonia" },
    { "lat": 61.89258975, "long": -6.972970349999969, "rad": "42 mi", "Name": "Faroe Islands" },
    //{ "lat": -16.57451205, "long": 179.33969379999996, "rad": "327 mi", "Name": "Fiji" },
    { "lat": 64.89775660000001, "long": 26.067255349999982, "rad": "388 mi", "Name": "Finland" },
    { "lat": 46.215727900000005, "long": 2.2088800999999876, "rad": "475 mi", "Name": "France" },
    //{ "lat": 3.9307498000000005, "long": -53.08757424999999, "rad": "162 mi", "Name": "French Guiana" },
    //{ "lat": -15.900928, "long": -146.3005195, "rad": "760 mi", "Name": "French Polynesia" },
    { "lat": 51.16411745, "long": 10.454119349999928, "rad": "330 mi", "Name": "Germany" },
    { "lat": 38.27489765, "long": 24.509085800000094, "rad": "363 mi", "Name": "Greece" },
    { "lat": 60.1424955, "long": -45.23949500000003, "rad": "914 mi", "Name": "Greenland" },
    //{ "lat": 16.1732208, "long": -61.40576319999997, "rad": "36 mi", "Name": "Guadeloupe" },
    //{ "lat": 15.77785935, "long": -90.23128050000003, "rad": "193 mi", "Name": "Guatemala" },
    { "lat": 49.56649285, "long": -2.4165166500000623, "rad": "16 mi", "Name": "Guernsey" },
    //{ "lat": 15.200664199999999, "long": -86.24200819999999, "rad": "257 mi", "Name": "Honduras" },
    { "lat": 47.16116145, "long": 19.50575409999999, "rad": "186 mi", "Name": "Hungary" },
    { "lat": 64.93127625, "long": -19.014769849999993, "rad": "193 mi", "Name": "Iceland" },
    //{ "lat": 21.1311083, "long": 82.77897340000004, "rad": "1331 mi", "Name": "India" },
    //{ "lat": -2.4652620499999998, "long": 118.0146344499999, "rad": "1695 mi", "Name": "Indonesia" },
    { "lat": 53.42753284999999, "long": -8.332134999999994, "rad": "168 mi", "Name": "Ireland" },
    { "lat": 31.411725650000005, "long": 35.08181545000002, "rad": "141 mi", "Name": "Israel" },
    { "lat": 41.29250305, "long": 12.573610750000057, "rad": "498 mi", "Name": "Italy" },
    //{ "lat": 32.9725571, "long": 138.460602, "rad": "1198 mi", "Name": "Japan" },
    { "lat": 31.279861949999997, "long": 37.12974699999995, "rad": "193 mi", "Name": "Jordan" },
    { "lat": 56.880172849999994, "long": 24.60574840000004, "rad": "159 mi", "Name": "Latvia" },
    { "lat": 55.17359979999999, "long": 23.89480155000001, "rad": "144 mi", "Name": "Lithuania" },
    { "lat": 49.815299499999995, "long": 6.133320050000066, "rad": "31 mi", "Name": "Luxembourg" },
    //{ "lat": 4.116726000000001, "long": 109.10280725000007, "rad": "735 mi", "Name": "Malaysia" },
    { "lat": 35.9442317, "long": 14.380025600000067, "rad": "15 mi", "Name": "Malta" },
    //{ "lat": 23.62665575, "long": -102.53775014999997, "rad": "1150 mi", "Name": "Mexico" },
    { "lat": 43.7383228, "long": 7.424458100000038, "rad": "1 mi", "Name": "Monaco" },
    { "lat": 42.70442235, "long": 19.39563945000009, "rad": "76 mi", "Name": "Montenegro" },
    { "lat": 31.794826399999998, "long": -7.084723100000019, "rad": "451 mi", "Name": "Morocco" },
    { "lat": 19.0734646, "long": 96.67103974999998, "rad": "714 mi", "Name": "Myanmar" },
    //{ "lat": -40.92538019999999, "long": 175.01895055, "rad": "959 mi", "Name": "New Zealand" },
    //{ "lat": 12.869165299999999, "long": -85.14118965, "rad": "227 mi", "Name": "Nicaragua" },
    { "lat": 54.667775, "long": -6.802175000000034, "rad": "70 mi", "Name": "Northern Ireland" },
    { "lat": 64.57251059999999, "long": 17.834182349999992, "rad": "572 mi", "Name": "Norway" },
    //{ "lat": 21.527864, "long": 55.91969949999998, "rad": "419 mi", "Name": "Oman" },
    //{ "lat": 8.42566785, "long": -80.10536460000003, "rad": "218 mi", "Name": "Panama" },
    //{ "lat": 12.080528949999998, "long": 121.65365150000002, "rad": "614 mi", "Name": "Philippines" },
    { "lat": 51.91890454999999, "long": 19.13437870000007, "rad": "289 mi", "Name": "Poland" },
    { "lat": 37.278972350000004, "long": -18.7327693499999, "rad": "747 mi", "Name": "Portugal" },
    { "lat": 46.5035743, "long": -63.192152350000015, "rad": "69 mi", "Name": "Prince Edward Island" },
    { "lat": 18.19871935, "long": -66.58634389999997, "rad": "92 mi", "Name": "Puerto Rico" },
    { "lat": 45.9419467, "long": 25.00943039999993, "rad": "275 mi", "Name": "Romania" },
    { "lat": 61.521737449999996, "long": 105.29708670000002, "rad": "2001 mi", "Name": "Russia" },
    { "lat": 57.746994750000006, "long": -4.68727279999996, "rad": "257 mi", "Name": "Scotland" },
    { "lat": 44.2107674, "long": 20.922415799999953, "rad": "170 mi", "Name": "Serbia" },
    //{ "lat": 1.3147307000000001, "long": 103.84701910000001, "rad": "20 mi", "Name": "Singapore" },
    { "lat": 48.67248205, "long": 19.696057949999954, "rad": "145 mi", "Name": "Slovakia" },
    { "lat": 46.1491664, "long": 14.986010650000026, "rad": "92 mi", "Name": "Slovenia" },
    //{ "lat": 35.8615124, "long": 127.76567839999996, "rad": "258 mi", "Name": "South Korea" },
    { "lat": 35.7146077, "long": -6.916502049999963, "rad": "817 mi", "Name": "Spain" },
    { "lat": 17.25609115, "long": -62.701947750000045, "rad": "16 mi", "Name": "St. Kitts and Nevis" },
    { "lat": 13.90952475, "long": -60.976381049999986, "rad": "16 mi", "Name": "St. Lucia" },
    { "lat": 30.112979499999994, "long": -91.53911495, "rad": "38 mi", "Name": "St. Martin" },
    { "lat": 62.19833665, "long": 17.56499789999998, "rad": "510 mi", "Name": "Sweden" },
    { "lat": 46.8131872, "long": 8.224210099999937, "rad": "127 mi", "Name": "Switzerland" },
    { "lat": 13.03886995, "long": 101.49010395000005, "rad": "582 mi", "Name": "Thailand" },
    { "lat": 52.15279175, "long": 5.292736149999996, "rad": "126 mi", "Name": "The Netherlands", "AltNames": ["Netherlands"] },
    { "lat": 31.6690751, "long": 88.75589289999994, "rad": "680 mi", "Name": "Tibet" },
    //{ "lat": -18.51986335, "long": -174.6910499, "rad": "215 mi", "Name": "Tonga" },
    { "lat": 10.70249155, "long": -61.21195789999996, "rad": "67 mi", "Name": "Trinidad & Tobago" },
    { "lat": 33.79316595, "long": 9.56076394999991, "rad": "272 mi", "Name": "Tunisia" },
    { "lat": 38.957415499999996, "long": 35.2416968, "rad": "548 mi", "Name": "Turkey" },
    { "lat": 48.38302194999999, "long": 31.18286999999998, "rad": "485 mi", "Name": "Ukraine" },
    { "lat": 47.711765, "long": 12.633598899999924, "rad": "1240 mi", "Name": "United Kingdom" },
    { "lat": 45.1487258, "long": -127.25219534999997, "rad": "2658 mi", "Name": "United States" },
    { "lat": 18.043416999999998, "long": -64.82547569999997, "rad": "31 mi", "Name": "United States Virgin Islands" },
    { "lat": 6.56711165, "long": -66.57861204999995, "rad": "617 mi", "Name": "Venezuela" },
    { "lat": 15.903062250000001, "long": 105.80669375000002, "rad": "570 mi", "Name": "Vietnam" },
    { "lat": 52.40533105, "long": -4.159948299999996, "rad": "95 mi", "Name": "Wales" }
];

var cruiseNameToUrl = [];

var vikingShipsUrls = {};

// Main Functionality

function getCountry(name) {
    /// <param name='name' type='String' />
    /// <return type="Object" />
    for (var j = 0; j < vikingTodayCountries.length; j++) {
        var vtc = vikingTodayCountries[j];
        if (vtc.Name == name) {
            return vtc;
        }
        else if (vtc.AltNames) {
            for (var k = 0; k < vtc.AltNames.length; k++) {
                if (vtc.AltNames[k] == name) {
                    return vtc;
                }
            }
        }
    }

    return undefined;
}

function getCruiseUrlFromName(name) {
    /// <param name='name' type='String' />
    var sname = name.toLowerCase();
    for (var i = 0; i < cruiseNameToUrl.length; i++) {
        var cn = cruiseNameToUrl[i];
        if (sname.indexOf(cn.Name) > -1) {
            return cn.Url;
        }
        for (var j = 0; j < cn.AltIds.length; j++) {

            if (cn.AltIds[j] == sname) {
                return cn.Url;
            }
        }
    }

    return undefined;
}

function getShipUrlFromName(name) {
    /// <param name='name' type='String' />
    var sname = name.toLowerCase();
    for (var key in vikingShipsUrls) {
        var vsu = vikingShipsUrls[key];
        if (sname.indexOf(key) > -1) {
            return vsu.Url;
        }

        for (var i = 0; i < vsu.AltIds; i++) {
            if (vsu.AltIds[i] == sname) {
                return vsu.Url;
            }
        }
    }

    return null;
}

function getParameterByName(name, url) {
    if (!url) url = window.location.href;
    name = name.replace(/[\[\]]/g, "\\$&");
    var regex = new RegExp("[#?&]" + name + "(=([^&]*)|&|$)"),
        results = regex.exec(url);
    if (!results) return null;
    if (!results[2]) return '';
    return decodeURIComponent(results[2].replace(/\+/g, " "));
}

function imagesLoadedFail(images) {
    for (var i = 0; i < images.images.length; i++) {
        if (images.images[i].isLoaded === false) {
            delete images.images[i];
        }
    }
    return images;
}

function removeBadPosts(images, $items) {
    for (var i = 0; i < images.images.length; i++) {
        if (!images.images[i]) {
            $items.splice(i, 1);
        }
    }
    return $items;
}

function showImages($items, vm, masonry) {
    $items.show();
    masonry.appended($items)
    vm.Masonry.masonry();
    vm.IsBusy(false);
    var itms = vm.Items();
    for (var i = 0; i < itms.length; i++) {
        var item = itms[i];
        if (item && item.ShowModal) {
            item.click();
            item.ShowModal = false;
        }
    }
}

$.fn.masonryImagesReveal = function ($items, vm) {
    var masonry = this.data("masonry");
    var selector = masonry.options.itemSelector;
    $items.hide();
    this.append($items);
    var imagesLoaded = $items.imagesLoaded();

    imagesLoaded.fail(function (images) {
        var images = imagesLoadedFail(images);
        var $itms = removeBadPosts(images, $items);
        showImages($itms, vm, masonry);
    });
    imagesLoaded.done(function () {
        showImages($items, vm, masonry);
    });

    return this;
};

$.fn.modalReplaceContent = function (html) {
    var modalContent = $("<div class='modal-content viking-today-modal-content' />");
    var closeButtonContent = $('<div class="custom-modal-close-button"><button aria-label="close opened modal, and go back to main page content." type="button" class="close" data-dismiss="modal"><span class="icon icon-close" aria-hidden="true"></span>&nbsp;<span class="close-txt">CLOSE</span></button></div>');
    modalContent.append(closeButtonContent);
    var modalBody = $("<div class='modal-body' />");
    modalBody.append(html);
    modalContent.append(modalBody);

    this.find(".modal-dialog").empty().append(modalContent);

    return this;
};

function filterItem(parent, label, value, type) {
    /// <param name="parent" type="filterDropDown" />
    /// <param name="label" type="String" />
    /// <param name="value" type="String" />
    this._parent = parent;
    this.Text = label;
    this.Value = value;
    this.IsCDD = false;
    this.IsChecked = ko.observable(false);
    this.Type = type;
}

filterItem.prototype.click = function (a, event) {
    event.preventDefault();
    this.IsChecked(!this.IsChecked());
    this._parent.StopClose = true;
    if (this.IsChecked()) {
        this._parent._vm.CurrentFilters.push(this);
    }
    else {
        this._parent._vm.CurrentFilters.remove(this);
    }
}

function filterDropDown(vm, key, label) {
    /// <param name="vm" type="vikingTodayViewModel" />
    /// <param name="key" type="String" />
    /// <param name="label" type="String" />
    var me = this;
    this._vm = vm;
    this.Key = key;
    this.Label = label;
    this.Items = new Array();
    this.Expanded = ko.observable(false);
    this.FocusExpanded = ko.observable(false);
    this.StopClose = false;
    this.FocusExpanded.subscribe(function (newValue) {
        me.FocusChanged(newValue);
    })
}

filterDropDown.prototype.arrowClick = function () {
    this.FocusExpanded(!this.FocusExpanded());
}

filterDropDown.prototype.FocusChanged = function (newValue) {
    var me = this;
    if (newValue) {
        this.Expanded(true);
    }
    else {
        this.StopClose = false;
        setTimeout(function () {
            if (!me.StopClose) {
                me.Expanded(false);
            }
            else {
                me.FocusExpanded(true);
            }
        }, 200);
    }
}

filterDropDown.prototype.AddItem = function (label, value, type) {
    /// <param name="label" type="String" />
    /// <param name="value" type="String" />
    this.Items.push(new filterItem(this, label, value, type));
}

function vikingTodayCallOut(vm, version) {
    /// <param name="vm" type="vikingTodayViewModel" />
    /// <param name="version" type="Number" />

    var length = vikingTodayCallOuts.length;
    var index = Math.floor(Math.random() * length);

    var vtco = vikingTodayCallOuts[index];

    this._vm = vm;
    this.Title = vtco.Title;
    this.ButtonText = vtco.ButtonText;
    this.Url = vtco.ButtonUrl;
}

vikingTodayCallOut.prototype.click = function () {
    window.open(this.Url);
}

vikingTodayCallOut.prototype.getHtml = function () {
    if (this.cachedHtml) {
        return this.cachedHtml;
    }
    var me = this;
    var itemContainer = $('<div class="viking-today-item viking-today-callout" />');
    var innerContainer = $('<div class="viking-today-callout-inner" />');
    var h3 = $("<h3 />");
    h3.text(this.Title);
    innerContainer.append(h3);
    itemContainer.append(innerContainer);
    var button = $("<button type='button' />");
    button.click(function () { me.click(); });
    itemContainer.append(button);
    var span = $("<span />");
    span.text(this.ButtonText);
    button.append(span);
    button.append("<span class='icon icon-chevron-right' />");
    this.cachedHtml = itemContainer;
    return itemContainer;
}

function createMarkerCluster() {
    // Initialize Marker Clusterer
    vrctMarkerCluster = new MarkerClusterer(vrctMap, vrctMarkers, {
        averageCenter: true,
        gridSize: 50,
        maxZoom: 6,
        styles: [{
            width: 44,
            height: 71,
            url: '/Content/images/vikingToday/m2.png',
            anchor: [18, 0]
        }]
    });
}

function clearMarkers() {
    // unset markers and markerCluster
    if (vrctMarkers && vrctMarkerCluster) {
        for (var i = 0; i < vrctMarkers.length; i++) {
            vrctMarkers[i].setMap(null);
        }
        vrctMarkers = [];
        vrctMarkerCluster.setMap(null);
    }
}

function vikingTodayItem(vm, itemData, previous, page) {
    /// <param name="vm" type="vikingTodayViewModel" />
    /// <param name="itemData" type="Object" />
    /// <param name="previous" type="vikingTodayItem" />
    /// <param name="page" type="Number" />
    this._vm = vm;
    this.Id = undefined;
    this.PhotoUrl = "";
    this.Title = ko.observable();
    this.CommonLocationText = ko.observable();
    this.FixedCommonLocationText = ko.observable();
    this.Description = "";
    this.UserPhoto = "";
    this.Latitude = 0;
    this.Longitude = 0;
    this.Location = itemData.location;
    this.PlaceId = "";
    this.PlaceInfo = {};
    this.Name = "";
    this.CruiseName = "";
    this.ShipName = undefined;
    this.ShowModal = false;
    this.Map = undefined;
    var m = moment.unix(itemData.captured_at);
    this.Date = m.format("MMM D");
    this.FullDate = m.format("D MMMM YYYY");
    this.Page = page;
    this.Icon = undefined;
    this.Marker = undefined;
    this.Previous = undefined;
    this.Next = undefined;
    if (previous) {
        this.Previous = previous;
        previous.Next = this;
    }
    this._init(itemData);
}

vikingTodayItem.prototype._addListener = function (marker) {
    /// <param name="marker" type="google.maps.Marker" />
    var me = this;

    marker.addListener("click", function () {
        me.click();
    });
}

vikingTodayItem.prototype.createMarker = function () {
    if (this.Latitude && this.Longitude && this.PhotoUrl) {

        this.Icon = {
            url: this.PhotoUrl.replace(/crop/gi, 'thumbnail'),
            scaledSize: new google.maps.Size(54, 54),
            size: new google.maps.Size(54, 54),
            labelOrigin: {
                x: 54 / 2,
                y: -5
            }
        };
        this.Marker = new google.maps.Marker({
            icon: this.Icon,
            position: { lat: this.Latitude, lng: this.Longitude }
        });
        this._addListener(this.Marker);
        return this.Marker;
    }
};

vikingTodayItem.prototype._getPrimitiveValue = function (primitive) {
    if (primitive.primitiveType == "Photo" && primitive.url) {
        return primitive.url;
    }
    else if (primitive.primitiveType == "Text" && primitive.text) {
        return primitive.text;
    }
    else if (primitive.primitiveType == "Photo") {
        return primitive.url;
    }
    else if (primitive.primitiveType == "Numeric") {
        return primitive.value;
    }

    return "";
}

vikingTodayItem.prototype._processIngredient = function (ingredient) {
    var me = this;
    if (ingredient.ingredientType == "Photo") {
        this.PhotoUrl = this._getPrimitiveValue(ingredient.photo);
        this.Description = this._getPrimitiveValue(ingredient.title);
    }
    if (ingredient.ingredientType == "Text") {
        this.Description = this._getPrimitiveValue(ingredient.text);
    }
    if (ingredient.ingredientType == "SingleSelect") {
        if (ingredient.displayLabel == "Cruise Name:") {
            this.CruiseName = this._getPrimitiveValue(ingredient.choice);
        }
        else if (ingredient.displayLabel == "Ship:") {
            this.ShipName = this._getPrimitiveValue(ingredient.choice);
        }
    }
    else if (ingredient.ingredientType == "Location") {
        this.Latitude = this._getPrimitiveValue(ingredient.latitude);
        this.Longitude = this._getPrimitiveValue(ingredient.longitude);
        this.Title(this._getPrimitiveValue(ingredient.locationText));
        this.CommonLocationText(this.Title());
        var arr = this.Title().split(',');
        this.FixedCommonLocationText = arr[arr.length - 1];
        this.PlaceId = this._getPrimitiveValue(ingredient.googlePlaceID);
        if (this.PlaceId) {
            var request = {
                placeId: this.PlaceId
            };
            me._vm.PlacesService.getDetails(request, function (place, status) {
                me._placeReturned(place);
            });
        }
    }
}

vikingTodayItem.prototype._placeReturned = function (details) {
    if (details) {
        this.PlaceInfo = details;
        this.Title(details.formatted_address);
    }
    this._vm.LoadBigMarker(this);
}

vikingTodayItem.prototype._init = function (itemData) {
    // Get users username
    if (itemData && Object.keys(itemData).length > 0) {
        this.Name = itemData.name;
        this.PhotoUrl = itemData.image_data ? itemData.image_data.full_uri : '';
        this.Description = itemData.description;
        this.Id = itemData.id;
        this.Latitude = itemData.latitude ? Number(itemData.latitude) : null;
        this.Longitude = itemData.longitude ? Number(itemData.longitude) : null;
        this.CruiseName = itemData.itinerary_data ? itemData.itinerary_data.name : '';
        this.ShipName = itemData.ship_data ? itemData.ship_data.name : '';
        this.Source = itemData.source;
    }
}

vikingTodayItem.prototype.click = function () {
    var me = this;
    me.Map = undefined;
    this._vm.ModalItem(this);
    var modal = $("#bsModal");
    if (!modal.hasClass("bsmodalVikingToday")) {
        modal.addClass("bsmodalVikingToday")
    }
    me._updateModalContentAndUrl(modal);
    modal.modal("show");
    //if (this._hasPlaceInfo() || (this.Latitude && this.Longitude)) {
    //    setTimeout(function () {
    //        me._initMap();
    //    }, 500);
    //}
}

vikingTodayItem.prototype._updateModalContentAndUrl = function (modal) {
    /// <param name='modal' type='jQuery' />
    var me = this;
    modal.modalReplaceContent(this.getModalHtml());
    var hash = "#Id=" + me.Id;
    var filters = this._vm.CurrentFilters();
    if (filters.length > 0) {
        var obj = new Array();
        for (var i = 0; i < filters.length; i++) {
            var f = filters[i];
            if (f.IsCDD) {
                obj["Country"] = f.Value.Name;
            }
            else {
                if (obj[f._parent.Key]) {
                    obj[f._parent.Key] += "," + f.Value;
                }
                else {
                    obj[f._parent.Key] = f.Value;
                }
            }
        }

        for (k in obj) {
            hash += "&" + k + "=" + obj[k];
        }
    }
    window.history.pushState({
        Id: me.Id,
        Page: me.Page
    }, me.Title() || "", hash);
}

vikingTodayItem.prototype.showModalMap = function () {
    var mapModal = $("#bsModal .map-container");
    if (mapModal.hasClass("open")) {
        this._out();
    }
    else {
        this._over();
    }
}

vikingTodayItem.prototype._over = function () {
    var mapModal = $("#bsModal .map-container");
    if (!mapModal.hasClass("open")) {
        mapModal.addClass("open");

        if (!this.Map) {
            this._initMap();
        }
    }
}

vikingTodayItem.prototype._out = function () {
    var mapModal = $("#bsModal .map-container");
    mapModal.removeClass("open");
}

vikingTodayItem.prototype._next = function () {
    var modal = $("#bsModal");
    if (this.Next) {
        this.Next._updateModalContentAndUrl(modal);
    }
    else {
        this._vm.Items()[0]._updateModalContentAndUrl(modal);
    }
}

vikingTodayItem.prototype._previous = function () {
    var modal = $("#bsModal");
    if (this.Previous) {
        this.Previous._updateModalContentAndUrl(modal);
    }
    else if (this._vm.Items().length > 1) {
        this._vm.Items()[this._vm.Items().length - 1]._updateModalContentAndUrl(modal);
    }
}

vikingTodayItem.prototype.getModalHtml = function () {
    if (this.cachedModalHtml) {
        return this.cachedModalHtml;
    }
    var me = this;

    var container = $("<div class='viking-today-modal-container' />");

    var left = $('<a href="#noscroll" class="left-button"><img src="/Content/Images/vikingToday/ArrowLeft.png" width="42" height="69" /></a>');
    left.click(function () {
        me._previous();
    });
    var right = $('<a href="#noscroll" class="right-button"><img src="/Content/Images/vikingToday/ArrowRight.png" width="42" height="69" /></a>');
    right.click(function () {
        me._next();
    });
    container.append(left);
    container.append(right);

    var img = $("<img />");
    img.attr("src", this.PhotoUrl)
    img.attr("alt", '')
    container.append(img);

    var innerContainer = $("<div class='inner-container' />");
    container.append(innerContainer);

    var head = $("<div class='header' />");
    innerContainer.append(head);

    var hleft = $("<div class='header-left' />");
    head.append(hleft);

    if (this.Name) {
        var nameSpan = $("<span class='header-name' />");
        nameSpan.text(this.Name);
        hleft.append(nameSpan);
    }

    var dateSpan = $("<span class='header-date' />");
    dateSpan.text(this.FullDate);
    head.append(dateSpan);
    head.append("<div class='clearfix' />");

    if (this.Description || this._hasPlaceInfo() || (this.Latitude && this.Longitude)) {
        var body = $("<div class='modal-body-container' /><head />");
        innerContainer.append(body);

        var d = $("<p />");
        d.html(this.Description);
        body.append(d);

        if (this._hasPlaceInfo() || (this.Latitude && this.Longitude)) {
            var mapContainer = $("<div class='map-container' />");

            var span = $("<span class='MapLocation' />");
            span.text(this.Title());
            span.prepend("<img src='/Content/images/MapIcon.svg' width='24' height='21' />");

            if (window.PointerEvent) {
                mapContainer.on('pointerover', function (event) {
                    if (event.originalEvent.pointerType != "touch") {
                        me._over();
                    }
                });
                mapContainer.on('pointerout', function (event) {
                    if (event.originalEvent.pointerType != "touch") {
                        me._out();
                    }
                });
                mapContainer.on('pointerup', function (event) {
                    if (event.originalEvent.pointerType == "touch") {
                        me.showModalMap();
                    }
                });
            }
            else {
                span.click(function () {
                    me.showModalMap();
                });
                mapContainer.on("mouseover", function () {
                    me._over();
                });
                mapContainer.on("mouseout", function () {
                    me._out();
                });
            }

            mapContainer.append(span);
            var mapOverlay = $("<div class='overlay' />");
            var modalMap = $("<div id='ModalMap' />");
            mapContainer.append(modalMap);
            mapContainer.append(mapOverlay);
            body.append(mapContainer);
        }
    }

    var footer = $("<div class='model-footer-container' />");
    innerContainer.append(footer);
    if (this.CruiseName) {
        var h6 = $("<h6 />");
        h6.text("Cruise");
        footer.append(h6);
        var cn = this.CruiseName;
        if (cn.indexOf(' ') == -1) {
            for (var i = 0; i < this._vm.Filters().length; i++) {
                var item = this._vm.Filters()[i];
                if (item.Key == "cruise-itinerary") {
                    for (var j = 0; j < item.Items.length; j++) {
                        var ci = item.Items[j];
                        if (ci.Value == cn) {
                            cn = ci.Text;
                            break;
                        }
                    }
                }
            }
        }

        var url = getCruiseUrlFromName(cn);
        if (url) {
            var cns = $("<a class='cruise-name' target='_blank' />");
            cns.text(cn);
            cns.attr("href", url);
            footer.append(cns);
        }
        else {
            var cns = $("<span class='cruise-name' target='_blank' />");
            cns.text(cn);
            //cn.attr("href", url);
            footer.append(cns);
        }
    }

    if (this.ShipName) {
        var h6 = $("<h6 />");
        h6.text("Ship");
        footer.append("<br /><br />");
        footer.append(h6);

        var sn = this.ShipName;
        if (sn.indexOf(' ') == -1) {
            for (var i = 0; i < this._vm.Filters().length; i++) {
                var item = this._vm.Filters()[i];
                if (item.Key == "ship") {
                    for (var j = 0; j < item.Items.length; j++) {
                        var ci = item.Items[j];
                        if (ci.Value == sn) {
                            sn = ci.Text;
                            break;
                        }
                    }
                }
            }
        }

        var url = getShipUrlFromName(sn);
        if (url) {
            var sName = $("<a class='cruise-name' target='_blank' />");
            sName.text(sn);
            sName.attr("href", url)
            footer.append(sName);
        }
        else {
            var sName = $("<span class='cruise-name' target='_blank' />");
            sName.text(sn);
            footer.append(sName);
        }
    }

    $('head').append('<meta property="og:url" content="" /><meta property="og:type" content="website" /><meta property="og:title" content="" /><meta property="og:description" content="' + this.Description + '" /><meta property="og:image" content="' + this.PhotoUrl + '" />');
    //var fbShare = $('<head></head>');
    //innerContainer.append(fbShare);
    var source = this.Source === 3 ? '<li>Copyright Instagram</li>' : '';
    var share = $("<script> var twitterDesc=$('.modal-body-container p').text();</script><div class='share-container'><ul class='social-links list-inline'>" + source + "<li class='share-text'>Share</li><li><a class='icon icon-facebook' title='Share on Facebook' href='#' onclick='SocialShare.Facebook(twitterDesc);return false;' /></li><li><a class='icon icon-twitter' title='Share on Twitter' href='#' onclick='SocialShare.Twitter(twitterDesc);return false;' /></li></ul></div>");
    innerContainer.append(share);

    return container;
}

vikingTodayItem.prototype._hasPlaceInfo = function () {
    return this.PlaceInfo && this.PlaceInfo.geometry;
}

vikingTodayItem.prototype._initMap = function () {
    var loc;
    if (this._hasPlaceInfo()) {
        loc = this.PlaceInfo.geometry.location
    }
    else {
        loc = { lat: this.Latitude, lng: this.Longitude };
    }
    var me = this;
    this.Map = new google.maps.Map(document.getElementById("ModalMap"), {
        center: loc,
        zoom: 13,
        scrollwheel: false,
        mapTypeId: google.maps.MapTypeId.ROADMAP
    });

    var marker = new google.maps.Marker({
        position: loc,
        map: me.Map,
        title: me.Title()
    });
}

vikingTodayItem.prototype.getHtml = function () {
    if (this.cachedHtml) {
        return this.cachedHtml;
    }
    var me = this;

    var itemContainer = $('<div class="viking-today-item" />');
    itemContainer.click(function () { me.click(); });
    itemContainer.data("item", this);
    var img = $('<img class="viking-today-img" />');
    img.attr("src", this.PhotoUrl);
    img.attr("alt", '');
    itemContainer.append(img);

    var inner = $('<div class="viking-today-inner" />');
    itemContainer.append(inner);

    var header = $('<div class="viking-today-header" />');
    if (this.Title() && this.Title() != "none") {
        header.text(this.Date + " | " + this.Title());
        this.Title.subscribe(function (newValue) {
            header.text(me.Date + " | " + newValue);
        });

    }
    else {
        if (this.Location !== null && this.Location !== '')
            header.text(this.Date + ' | ' + this.Location);
        else
            header.text(this.Date);
    }
    inner.append(header);

    if (this.Description) {
        var length = this.Description.length;
        var short = this.Description;
        if (length > 200) {
            var lastIndex = short.lastIndexOf(" ", 200);
            short = short.substring(0, lastIndex) + "...";
        }
        var p = $('<p class="viking-today-description" />');
        p.html(short);
        inner.append(p);
    }

    if (this.Name) {
        var footer = $('<div class="viking-today-footer" />');
        footer.text(this.Name);
        if (!this.Description) {
            footer.addClass("no-border");
        }
        inner.append(footer);
    }

    this.cachedHtml = itemContainer;
    return this.cachedHtml;
}

function vikingTodayCountryDropDownModel(vm) {
    filterDropDown.call(this, vm);
    var me = this;
    this.CountryFilters = ko.observableArray(vikingTodayCountries);
    this.SelectedItem = ko.observable("All");
    this.fdd = new filterItem(me, "", "");
    this.fdd.IsCDD = true;
    this.fdd.Type = 'country';
    this.fdd.IsChecked.subscribe(function (newValue) {
        if (newValue == false) {
            me.SelectedItem("All");
        }
    });
}

vikingTodayCountryDropDownModel.prototype = Object.create(filterDropDown.prototype);

vikingTodayCountryDropDownModel.prototype.ItemClick = function (item) {
    this.fdd.IsChecked(false);
    this._vm.CurrentFilters.remove(this.fdd);
    this.fdd.Text = item.Name;
    this.fdd.Value = item;
    item.Type = 'country';
    this.SelectedItem(item.Name);
    this.fdd.click(item, { preventDefault: function () { } });
    this.StopClose = false;
};

vikingTodayCountryDropDownModel.prototype.ItemUncheck = function (item) {
    this.fdd.IsChecked(false);
    this._vm.CurrentFilters.remove(this.fdd);
};

function markerContainer() {
    var me = this;
    this.Count = 1;
    this.Title = "";
    this.Bounds = new google.maps.LatLngBounds();
    this.Marker;
    this.Marker2;
    this.Marker3;
    this.Map;
    this.InfoWindow = new google.maps.InfoWindow({
        content: "1"
    });
    this.InfoWindow.addListener("closeclick", function () {
        if (me.Map && me.Marker) {
            me.InfoWindow.open(me.Map, me.Marker);
        }
    });
    this.updateInfoWindow();
}

markerContainer.prototype.updateInfoWindow = function () {
    this.InfoWindow.setContent("<span class='viking-today-image-count'>" + this.Count + "</span>");
}

markerContainer.prototype.Increment = function (position) {
    this.Count++;
    this.Bounds.extend(position);
    this.updateInfoWindow();
    if (this.Marker) {
        this.Marker.setTitle(this.Count + "");
    }
}

markerContainer.prototype.setup = function (icon, location, item, map) {
    var me = this;
    me.Map = map;
    this.Icon = icon;
    this.Location = location;
    this.Item = item;

    this.Marker = new google.maps.Marker({
        position: {
            lat: location.lat,
            lng: location.long
        },
        map: map,
        icon: this.Icon,
        title: this.Count + "",
        zIndex: 100
    });

    this.Marker2 = new google.maps.Marker({
        position: google.maps.geometry.spherical.computeOffset(this.Marker.position, 70000, 135),
        icon: "/Content/Images/image-stack-background.gif",
        zIndex: 99
    });
    this.Marker3 = new google.maps.Marker({
        position: google.maps.geometry.spherical.computeOffset(this.Marker2.position, 70000, 135),
        icon: "/Content/Images/image-stack-background.gif",
        zIndex: 98
    });

    this.Marker4 = new google.maps.Marker({
        position: google.maps.geometry.spherical.computeOffset(this.Marker.position, 30000, 135),
        icon: "/Content/Images/image-stack-background.gif",
        zIndex: 99
    });
    this.Marker5 = new google.maps.Marker({
        position: google.maps.geometry.spherical.computeOffset(this.Marker4.position, 30000, 135),
        icon: "/Content/Images/image-stack-background.gif",
        zIndex: 98
    });

    this.Marker.addListener("click", function () {
        item.click();
    });
    this.Bounds.extend(item.Marker.position);
}

function compare(a, b) {
    if (a.market_name.charAt(0).toLowerCase() === 'r' && b.market_name.charAt(0).toLowerCase() === 'o') return -1;
    else if (a.market_name.charAt(0).toLowerCase() === 'o' && b.market_name.charAt(0).toLowerCase() === 'r') return 1;
    return a.name.localeCompare(b.name);
}

function vikingTodayViewModel() {
    var me = this;
    me._apiUrl = baseUrl + '/story/index?per-page=250';
    //me.Countries = ;
    me.pulledExtra = false;

    this._getFilters = function () {
        $.ajax({
            url: baseUrl + '/ship/index?per-page=1000',
            jsonp: true,
            success: function (d) {
                me._addToFilters(d.items, 'ship');
            }
        });

        $.ajax({
            url: baseUrl + '/itinerary/index?per-page=1000',
            jsonp: true,
            success: function (d) {
                d.items.sort(compare);
                me._addToFilters(d.items, 'cruise');
            }
        });
    };

    this._addToFilters = function (res, type) {
        var filterDrop;
        if (type === 'ship') {
            filterDrop = new filterDropDown(me, 'ship', 'Ship');
        } else if (type === 'cruise') {
            filterDrop = new filterDropDown(me, 'cruise-itinerary', 'Cruise');
        }
        for (var i = 0; i < res.length; i++) {
            filterDrop.AddItem(res[i].name, res[i].id, type);
        }
        me.Filters.push(filterDrop);
    };

    this._setActiveFilters = function () {
        // get the active filters if any
        if (me.CurrentFilters().length > 0) {
            var filters = me.CurrentFilters();
            var query = [];
            var filters = {
                ship: filters.filter(function (res) { return res.Type === 'ship'; }).map(function (res) { return res.Value; }).join(),
                cruise: filters.filter(function (res) { return res.Type === 'cruise'; }).map(function (res) { return res.Value; }).join(),
                latitude: filters.filter(function (res) { return res.Type === 'country'; }).map(function (res) { return res.Value.lat; }).join(),
                longitude: filters.filter(function (res) { return res.Type === 'country'; }).map(function (res) { return res.Value.long; }).join(),
                distance: filters.filter(function (res) { return res.Type === 'country'; }).map(function (res) { return res.Value.rad.split(' ')[0] }).join(),
            };
            if (filters.ship) me.Data.ship_id = filters.ship;
            if (filters.cruise) me.Data.itinerary_id = filters.cruise;
            if (filters.latitude) me.Data.latitude = filters.latitude;
            if (filters.longitude) me.Data.longitude = filters.longitude;
            if (filters.distance) me.Data.distance = filters.distance;
        } else {
            delete me.Data.ship_id;
            delete me.Data.itinerary_id;
            delete me.Data.latitude;
            delete me.Data.longitude;
            delete me.Data.distance;
        }
    };

    /**
     * insert viking today callout tiles
     * @itemsData   {array}   viking today items
     * @hashId      {int}     if Url hash ID available, show the modal for the item
     */
    this._insertVikingTodayCallouts = function (itemsData, hashId) {
        var items = $("<span />"),
            previous;

        if (me.Items().length > 0)
            previous = me.Items()[me.Items().length - 1];

        for (var i = 0; i < itemsData.items.length; i++) {
            var data = itemsData.items[i];
            if (i == 8) {
                items.append(new vikingTodayCallOut(me, 1).getHtml());
            }
            else if (i == 12) {
                items.append(new vikingTodayCallOut(me, 2).getHtml());
            }
            else if (i == 17) {
                items.append(new vikingTodayCallOut(me, 3).getHtml());
            }

            var item = new vikingTodayItem(me, data, previous, Math.floor(me.Data.offset / me.Data.limit));
            previous = item;

            if (hashId && item.Id == hashId) {
                me.pulledExtra = true;
                item.ShowModal = true
            }

            if (item.Latitude && item.Longitude && item.PhotoUrl) {
                vrctMarkers.push(item.createMarker());
                me.Bounds.extend(item.Marker.position);
            }

            me.Items.push(item);
            var v = item.getHtml();
            items.append(v);
        }

        return items;
    };

    this._doApiCallWithMapBounds = function () {
        me.IsBusy(true);
        var url = me._apiUrl;
        try {
            var bounds = me.Map.getBounds();
            var nebounds = bounds.getNorthEast();
            var swbounds = bounds.getSouthWest();
            var mapBounds = {
                NE: nebounds,
                SW: swbounds
            };
            var mapData = {
                ne_lat: mapBounds.NE.lat(),
                ne_long: mapBounds.NE.lng(),
                sw_lat: mapBounds.SW.lat(),
                sw_long: mapBounds.SW.lng()
            };
            me.Data = mapData;
            me.Data["page"] = 1;

        } catch {

            me.Data = {};
            me.Data["page"] = 1;
        }
        me._setActiveFilters();

        clearMarkers();

        $.ajax({
            url: url,
            data: me.Data,
            jsonp: true,
            success: function (d) {
                var items = me._insertVikingTodayCallouts(d);
                me.Masonry.masonryImagesReveal(items.find(".viking-today-item"), me);

                if (d.items.length === 0) {
                    console.log('No results');
                    me.NoResults(true);
                    // TODO figure out what exactly this does...
                    for (var i = 0; i < me.CurrentFilters().length; i++) {
                        var item = me.CurrentFilters()[i];
                        if (item.IsCDD) { // TODO what is this ?!?!
                            me.Map.setCenter(new google.maps.LatLng({ lat: item.Value.lat, lng: item.Value.long }));
                            me.Map.setZoom(5);
                        }
                    }
                }
                else {
                    me.NoResults(false);
                    createMarkerCluster();
                }
            },
            error: function (e) {
                me.IsBusy(false);
            }
        });
    };

    /**
     * Default API Call
     * @hashId  {int}  if Url hash ID available, show the modal for the item
     */
    this._doApiCallDefault = function (hashId) {
        var url = me._apiUrl;
        me.IsBusy(true);
        me._setActiveFilters();
        $.ajax({
            url: url,
            data: me.Data,
            jsonp: true,
            success: function (d) {
                var items = me._insertVikingTodayCallouts(d, hashId);
                me.Masonry.masonryImagesReveal(items.find(".viking-today-item"), me);

                // if we have no returned results, show no results text
                if (d.items.length === 0) {
                    me.NoResults(true);
                }
                else {
                    me.NoResults(false);
                }

                // if we have more results to return, show load more button
                if (d.totalResults <= 0 || d.totalResults <= (me.Data.offset + me.Data.limit)) {
                    me.LoadMoreButtonVisibility(false);
                }
                else {
                    me.LoadMoreButtonVisibility(true);
                }

                // hide load more button if we are at the end of all pages
                if (d._meta.currentPage === d._meta.pageCount)
                    me.LoadMoreButtonVisibility(false);

                // TODO i do not think this is doing anything.... ever
                if (hashId && !me.pulledExtra) {
                    console.log('called api again... OK');
                    me._doApiCallDefault(hashId, true);
                }
            },
            error: function (e) {
                me.IsBusy(false);
            }
        });
    };

    this.Filters = ko.observableArray([]);
    this.Country = new vikingTodayCountryDropDownModel(me);
    this.CurrentFilters = ko.observableArray([]);
    this.IsBusy = ko.observable(false);
    this.NoResults = ko.observable(false);
    this.FirstRun = ko.observable(true);
    this.LoadMoreButtonVisibility = ko.observable(true);
    this.Masonry = undefined;
    this.Map = undefined;
    this.MapCenter = undefined;
    this.MapVisible = ko.observable(false);
    this.PlacesService = undefined;
    this.Markers = new Array();
    this.Geocoder = new google.maps.Geocoder();
    this.ModalItem = new ko.observable(new vikingTodayItem(me, {}));
    this.Items = ko.observableArray([]);
    this.AddMarkerForCountry = function (country, item) {
        if (country) {
            if (me.Markers[country.Name]) {
                var marker = me.Markers[country.Name];
                marker.Increment(item.Marker.position);
            }
            else {
                var marker = me.Markers[country.Name] = new markerContainer();

                marker.setup(item.Icon, country, item, me.Map);
                marker.Marker2.setMap(me.Map);
                marker.Marker3.setMap(me.Map);
                marker.Marker4.setMap(null);
                marker.Marker5.setMap(null);
            }
        }
    }
    this.LoadBigMarker = function (item) {
        var me = this;
        var addressComponents = item.Title().split(',')
        if (addressComponents && addressComponents.length > 0) {
            for (var c = addressComponents.length - 1; c >= 0; c--) {
                var component = addressComponents[c];
                if (component) {
                    var cc = getCountry(component.trim());
                    if (cc != null) {
                        me.AddMarkerForCountry(cc, item);
                        return;
                    }
                }
            }
        }
        me.Geocoder.geocode({ 'address': item.CommonLocationText() }, function (v) {
            if (v) {
                if (v.length > 0) {
                    var first = v[0];
                    if (first.address_components.length > 0) {
                        var ac = first.address_components;
                        var country = undefined;
                        for (var c = ac.length - 1; c >= 0; c--) {
                            var cc = getCountry(ac[c].long_name);
                            if (cc) {
                                country = cc;
                                break;
                            }
                        }

                        me.AddMarkerForCountry(country, item);
                    }
                }
            }
        });
    }
    this.Data = {
        'per-page': 30,
        'page': 1
    };

    this.MapDiv = undefined;
    this.MapExpandToggle = undefined;
    this.LoadMore = function () {
        me.Data.page++;
        me.Data = {
            'per-page': 30,
            'page': me.Data.page
        };
        me._doApiCallDefault();
    };
    this.ClearFilters = function () {
        var removedItems = this.CurrentFilters.removeAll();
        for (var i = 0; i < removedItems.length; i++) {
            removedItems[i].IsChecked(false);
        }
    };
    this._filterChanged = function () {
        me.Bounds = new google.maps.LatLngBounds();
        items.clear();
    };
    this._previousFilterUpdate = undefined;
    this.zoomChanged = function () {
        var zoom = me.Map.getZoom();
        if (zoom >= 4) {
            for (var p in me.Markers) {
                var m = me.Markers[p];
                if (m.Marker) {
                    m.Marker.setMap(null);
                    m.Marker2.setMap(null);
                    m.Marker3.setMap(null);
                    m.Marker4.setMap(null);
                    m.Marker5.setMap(null);
                }
            }
        }
        else {
            for (var p in me.Markers) {
                var m = me.Markers[p];
                if (m.Marker) {
                    m.Marker.setMap(me.Map);
                    if (zoom <= 3) {
                        m.Marker2.setMap(me.Map);
                        m.Marker3.setMap(me.Map);
                        m.Marker4.setMap(null);
                        m.Marker5.setMap(null);
                    }
                    else {
                        m.Marker2.setMap(null);
                        m.Marker3.setMap(null);
                        m.Marker4.setMap(me.Map);
                        m.Marker5.setMap(me.Map);
                    }
                }
            }
        }
    },
        this.ToggleMapSize = function () {
            var me = this;
            if (me.MapDiv) {
                if (me.MapDiv.style.height == "420px") {
                    me.MapDiv.style.height = "620px";
                    me.MapExpandToggle.setAttribute("title", "collapse map");
                    me.MapExpandToggle.classList.add("expanded");
                }
                else {
                    me.MapDiv.style.height = "420px";
                    me.MapExpandToggle.setAttribute("title", "expand map");
                    me.MapExpandToggle.classList.remove("expanded");
                }
                google.maps.event.trigger(me.Map, "resize");
            }
        },
        this.ToggleMap = function () {
            me.MapVisible(!me.MapVisible());
            me.LoadMoreButtonVisibility(!me.MapVisible());

            // fix for map not initilizing when hidden
            google.maps.event.trigger(me.Map, 'resize');
            vrctMap.setCenter(me.MapCenter);

            me.Masonry.masonry('remove', me.Masonry.find('.viking-today-item'));

            // map open, switch to map bounds api call
            if (me.MapVisible()) {
                me._doApiCallWithMapBounds();
            }
            // map closed, switch to default api call and set page defaults
            else {
                me.Data = {
                    'per-page': 30,
                    'page': 1
                };
                me._doApiCallDefault();
            }

        };
    this.Init = function () {
        $('.available-after-embarkation').css('display', 'block');
        $('.unavailable-after-embarkation').css('display', 'none');
        me.Masonry = $(".viking-today-row");
        me.Masonry.masonry({
            percentPosition: true,
            columnWidth: '.viking-today-item',
            itemSelector: '.viking-today-item'
        });
        me.MapCenter = new google.maps.LatLng(50.9083317527689, 14.216554249999982);
        var option = {
            zoom: 3,
            scrollwheel: false,
            minZoom: 3,
            mapTypeId: google.maps.MapTypeId.ROADMAP
        };

        var ua = navigator.userAgent;
        if (ua.indexOf('iPhone') > -1 || ua.indexOf('android') > -1 || ua.indexOf('IEMobile') > -1) {
            option.draggable = false;
            option.panControl = false;
        }

        me.MapExpandToggle = document.getElementById("googleMapsExpand");
        $(me.MapExpandToggle).on("click", function () {
            me.ToggleMapSize();
        });

        me.MapDiv = document.getElementById('googleMaps');
        me.Map = new google.maps.Map(me.MapDiv, option);
        vrctMap = me.Map;
        me.Map.addListener('zoom_changed', function () {
            me.Masonry.masonry('remove', me.Masonry.find('.viking-today-item'));
            me._doApiCallWithMapBounds();
        });

        me.Map.addListener('dragend', function () {
            me.Masonry.masonry('remove', me.Masonry.find('.viking-today-item'));
            me._doApiCallWithMapBounds();
        });

        me.PlacesService = new google.maps.places.PlacesService(me.Map);
        me.Bounds = new google.maps.LatLngBounds();
        if (location.hash.indexOf("Id=") > 0) {
            var hashId = getParameterByName("Id", location.hash);
            me._doApiCallDefault(hashId);
        }
        else {
            me._doApiCallDefault();
        }

        me._getFilters();
        me.CurrentFilters.subscribe(function (newValue) {
            if (me._previousFilterUpdate) {
                clearTimeout(me._previousFilterUpdate);
            }
            me._previousFilterUpdate = setTimeout(function () {
                for (var i = 0; i < me.Items().length; i++) {
                    var item = me.Items()[i];
                    if (item.Marker) {
                        item.Marker.setMap(undefined);
                    }
                }
                me.Items.removeAll();
                var children = me.Masonry.children();
                for (var i = 0; i < children.length; i++) {
                    var c = children[i];
                    me.Masonry.masonry("remove", c);
                }
                for (var m in me.Markers) {
                    var mk = me.Markers[m];
                    if (mk.Marker) {
                        mk.Marker.setMap(undefined);
                        mk.Marker2.setMap(undefined);
                        mk.Marker3.setMap(undefined);
                        mk.Marker4.setMap(undefined);
                        mk.Marker5.setMap(undefined);
                    }
                }
                me.Data.offset = 0;
                me.Markers = new Array();
                me.Bounds = new google.maps.LatLngBounds();
                children.empty();
                me.Masonry.masonry();

                if (me.MapVisible()) {
                    me._doApiCallWithMapBounds();
                }
                else {
                    me.Data = {
                        'per-page': 30,
                        'page': 1
                    };
                    me._doApiCallDefault();
                }
            }, 500)
        });
    };
    return this;
}

var mainViewModel = new vikingTodayViewModel();
$(document).ready(function () {
    ko.applyBindings(mainViewModel, document.getElementById("viking-today-story"));
    mainViewModel.Init();
});
;