/*!

 * jQuery UI Tooltip 1.10.3

 * http://jqueryui.com

 *

 * Copyright 2013 jQuery Foundation and other contributors

 * Released under the MIT license.

 * http://jquery.org/license

 *

 * http://api.jqueryui.com/tooltip/

 *

 * Depends:

 *	jquery.ui.core.js

 *	jquery.ui.widget.js

 *	jquery.ui.position.js

 */

(function( $ ) {

var increments = 0;

function addDescribedBy( elem, id ) {

	var describedby = (elem.attr( "aria-describedby" ) || "").split( /\s+/ );

	describedby.push( id );

	elem

		.data( "ui-tooltip-id", id )

		.attr( "aria-describedby", $.trim( describedby.join( " " ) ) );

}

function removeDescribedBy( elem ) {

	var id = elem.data( "ui-tooltip-id" ),

		describedby = (elem.attr( "aria-describedby" ) || "").split( /\s+/ ),

		index = $.inArray( id, describedby );

	if ( index !== -1 ) {

		describedby.splice( index, 1 );

	}

	elem.removeData( "ui-tooltip-id" );

	describedby = $.trim( describedby.join( " " ) );

	if ( describedby ) {

		elem.attr( "aria-describedby", describedby );

	} else {

		elem.removeAttr( "aria-describedby" );

	}

}

$.widget( "ui.tooltip", {

	version: "1.10.3",

	options: {

		content: function() {

			// support: IE<9, Opera in jQuery <1.7

			// .text() can't accept undefined, so coerce to a string

			var title = $( this ).attr( "title" ) || "";

			// Escape title, since we're going from an attribute to raw HTML

			return $( "<a>" ).text( title ).html();

		},

		hide: true,

		// Disabled elements have inconsistent behavior across browsers (#8661)

		items: "[title]:not([disabled])",

		position: {

			my: "left top+15",

			at: "left bottom",

			collision: "flipfit flip"

		},

		show: true,

		tooltipClass: null,

		track: false,

		// callbacks

		close: null,

		open: null

	},

	_create: function() {

		this._on({

			mouseover: "open",

			focusin: "open"

		});

		// IDs of generated tooltips, needed for destroy

		this.tooltips = {};

		// IDs of parent tooltips where we removed the title attribute

		this.parents = {};

		if ( this.options.disabled ) {

			this._disable();

		}

	},

	_setOption: function( key, value ) {

		var that = this;

		if ( key === "disabled" ) {

			this[ value ? "_disable" : "_enable" ]();

			this.options[ key ] = value;

			// disable element style changes

			return;

		}

		this._super( key, value );

		if ( key === "content" ) {

			$.each( this.tooltips, function( id, element ) {

				that._updateContent( element );

			});

		}

	},

	_disable: function() {

		var that = this;

		// close open tooltips

		$.each( this.tooltips, function( id, element ) {

			var event = $.Event( "blur" );

			event.target = event.currentTarget = element[0];

			that.close( event, true );

		});

		// remove title attributes to prevent native tooltips

		this.element.find( this.options.items ).addBack().each(function() {

			var element = $( this );

			if ( element.is( "[title]" ) ) {

				element

					.data( "ui-tooltip-title", element.attr( "title" ) )

					.attr( "title", "" );

			}

		});

	},

	_enable: function() {

		// restore title attributes

		this.element.find( this.options.items ).addBack().each(function() {

			var element = $( this );

			if ( element.data( "ui-tooltip-title" ) ) {

				element.attr( "title", element.data( "ui-tooltip-title" ) );

			}

		});

	},

	open: function( event ) {

		var that = this,

			target = $( event ? event.target : this.element )

				// we need closest here due to mouseover bubbling,

				// but always pointing at the same event target

				.closest( this.options.items );

		// No element to show a tooltip for or the tooltip is already open

		if ( !target.length || target.data( "ui-tooltip-id" ) ) {

			return;

		}

		if ( target.attr( "title" ) ) {

			target.data( "ui-tooltip-title", target.attr( "title" ) );

		}

		target.data( "ui-tooltip-open", true );

		// kill parent tooltips, custom or native, for hover

		if ( event && event.type === "mouseover" ) {

			target.parents().each(function() {

				var parent = $( this ),

					blurEvent;

				if ( parent.data( "ui-tooltip-open" ) ) {

					blurEvent = $.Event( "blur" );

					blurEvent.target = blurEvent.currentTarget = this;

					that.close( blurEvent, true );

				}

				if ( parent.attr( "title" ) ) {

					parent.uniqueId();

					that.parents[ this.id ] = {

						element: this,

						title: parent.attr( "title" )

					};

					parent.attr( "title", "" );

				}

			});

		}

		this._updateContent( target, event );

	},

	_updateContent: function( target, event ) {

		var content,

			contentOption = this.options.content,

			that = this,

			eventType = event ? event.type : null;

		if ( typeof contentOption === "string" ) {

			return this._open( event, target, contentOption );

		}

		content = contentOption.call( target[0], function( response ) {

			// ignore async response if tooltip was closed already

			if ( !target.data( "ui-tooltip-open" ) ) {

				return;

			}

			// IE may instantly serve a cached response for ajax requests

			// delay this call to _open so the other call to _open runs first

			that._delay(function() {

				// jQuery creates a special event for focusin when it doesn't

				// exist natively. To improve performance, the native event

				// object is reused and the type is changed. Therefore, we can't

				// rely on the type being correct after the event finished

				// bubbling, so we set it back to the previous value. (#8740)

				if ( event ) {

					event.type = eventType;

				}

				this._open( event, target, response );

			});

		});

		if ( content ) {

			this._open( event, target, content );

		}

	},

	_open: function( event, target, content ) {

		var tooltip, events, delayedShow,

			positionOption = $.extend( {}, this.options.position );

		if ( !content ) {

			return;

		}

		// Content can be updated multiple times. If the tooltip already

		// exists, then just update the content and bail.

		tooltip = this._find( target );

		if ( tooltip.length ) {

			tooltip.find( ".ui-tooltip-content" ).html( content );

			return;

		}

		// if we have a title, clear it to prevent the native tooltip

		// we have to check first to avoid defining a title if none exists

		// (we don't want to cause an element to start matching [title])

		//

		// We use removeAttr only for key events, to allow IE to export the correct

		// accessible attributes. For mouse events, set to empty string to avoid

		// native tooltip showing up (happens only when removing inside mouseover).

		if ( target.is( "[title]" ) ) {

			if ( event && event.type === "mouseover" ) {

				target.attr( "title", "" );

			} else {

				target.removeAttr( "title" );

			}

		}

		tooltip = this._tooltip( target );

		addDescribedBy( target, tooltip.attr( "id" ) );

		tooltip.find( ".ui-tooltip-content" ).html( content );

		function position( event ) {

			positionOption.of = event;

			if ( tooltip.is( ":hidden" ) ) {

				return;

			}

			tooltip.position( positionOption );

		}

		if ( this.options.track && event && /^mouse/.test( event.type ) ) {

			this._on( this.document, {

				mousemove: position

			});

			// trigger once to override element-relative positioning

			position( event );

		} else {

			tooltip.position( $.extend({

				of: target

			}, this.options.position ) );

		}

		tooltip.hide();

		this._show( tooltip, this.options.show );

		// Handle tracking tooltips that are shown with a delay (#8644). As soon

		// as the tooltip is visible, position the tooltip using the most recent

		// event.

		if ( this.options.show && this.options.show.delay ) {

			delayedShow = this.delayedShow = setInterval(function() {

				if ( tooltip.is( ":visible" ) ) {

					position( positionOption.of );

					clearInterval( delayedShow );

				}

			}, $.fx.interval );

		}

		this._trigger( "open", event, { tooltip: tooltip } );

		events = {

			keyup: function( event ) {

				if ( event.keyCode === $.ui.keyCode.ESCAPE ) {

					var fakeEvent = $.Event(event);

					fakeEvent.currentTarget = target[0];

					this.close( fakeEvent, true );

				}

			},

			remove: function() {

				this._removeTooltip( tooltip );

			}

		};

		if ( !event || event.type === "mouseover" ) {

			events.mouseleave = "close";

		}

		if ( !event || event.type === "focusin" ) {

			events.focusout = "close";

		}

		this._on( true, target, events );

	},

	close: function( event ) {

		var that = this,

			target = $( event ? event.currentTarget : this.element ),

			tooltip = this._find( target );

		// disabling closes the tooltip, so we need to track when we're closing

		// to avoid an infinite loop in case the tooltip becomes disabled on close

		if ( this.closing ) {

			return;

		}

		// Clear the interval for delayed tracking tooltips

		clearInterval( this.delayedShow );

		// only set title if we had one before (see comment in _open())

		if ( target.data( "ui-tooltip-title" ) ) {

			target.attr( "title", target.data( "ui-tooltip-title" ) );

		}

		removeDescribedBy( target );

		tooltip.stop( true );

		this._hide( tooltip, this.options.hide, function() {

			that._removeTooltip( $( this ) );

		});

		target.removeData( "ui-tooltip-open" );

		this._off( target, "mouseleave focusout keyup" );

		// Remove 'remove' binding only on delegated targets

		if ( target[0] !== this.element[0] ) {

			this._off( target, "remove" );

		}

		this._off( this.document, "mousemove" );

		if ( event && event.type === "mouseleave" ) {

			$.each( this.parents, function( id, parent ) {

				$( parent.element ).attr( "title", parent.title );

				delete that.parents[ id ];

			});

		}

		this.closing = true;

		this._trigger( "close", event, { tooltip: tooltip } );

		this.closing = false;

	},

	_tooltip: function( element ) {

		var id = "ui-tooltip-" + increments++,

			tooltip = $( "<div>" )

				.attr({

					id: id,