/*!

 * jQuery UI 1.8.18

 *

 * Copyright 2011, AUTHORS.txt (http://jqueryui.com/about)

 * Dual licensed under the MIT or GPL Version 2 licenses.

 * http://jquery.org/license

 *

 * http://docs.jquery.com/UI

 */

(function( $, undefined ) {

// prevent duplicate loading

// this is only a problem because we proxy existing functions

// and we don't want to double proxy them

$.ui = $.ui || {};

if ( $.ui.version ) {

	return;

}

$.extend( $.ui, {

	version: "1.8.18",

	keyCode: {

		ALT: 18,

		BACKSPACE: 8,

		CAPS_LOCK: 20,

		COMMA: 188,

		COMMAND: 91,

		COMMAND_LEFT: 91, // COMMAND

		COMMAND_RIGHT: 93,

		CONTROL: 17,

		DELETE: 46,

		DOWN: 40,

		END: 35,

		ENTER: 13,

		ESCAPE: 27,

		HOME: 36,

		INSERT: 45,

		LEFT: 37,

		MENU: 93, // COMMAND_RIGHT

		NUMPAD_ADD: 107,

		NUMPAD_DECIMAL: 110,

		NUMPAD_DIVIDE: 111,

		NUMPAD_ENTER: 108,

		NUMPAD_MULTIPLY: 106,

		NUMPAD_SUBTRACT: 109,

		PAGE_DOWN: 34,

		PAGE_UP: 33,

		PERIOD: 190,

		RIGHT: 39,

		SHIFT: 16,

		SPACE: 32,

		TAB: 9,

		UP: 38,

		WINDOWS: 91 // COMMAND

	}

});

// plugins

$.fn.extend({

	propAttr: $.fn.prop || $.fn.attr,

	_focus: $.fn.focus,

	focus: function( delay, fn ) {

		return typeof delay === "number" ?

			this.each(function() {

				var elem = this;

				setTimeout(function() {

					$( elem ).focus();

					if ( fn ) {

						fn.call( elem );

					}

				}, delay );

			}) :

			this._focus.apply( this, arguments );

	},

	scrollParent: function() {

		var scrollParent;

		if (($.browser.msie && (/(static|relative)/).test(this.css('position'))) || (/absolute/).test(this.css('position'))) {

			scrollParent = this.parents().filter(function() {

				return (/(relative|absolute|fixed)/).test($.curCSS(this,'position',1)) && (/(auto|scroll)/).test($.curCSS(this,'overflow',1)+$.curCSS(this,'overflow-y',1)+$.curCSS(this,'overflow-x',1));

			}).eq(0);

		} else {

			scrollParent = this.parents().filter(function() {

				return (/(auto|scroll)/).test($.curCSS(this,'overflow',1)+$.curCSS(this,'overflow-y',1)+$.curCSS(this,'overflow-x',1));

			}).eq(0);

		}

		return (/fixed/).test(this.css('position')) || !scrollParent.length ? $(document) : scrollParent;

	},

	zIndex: function( zIndex ) {

		if ( zIndex !== undefined ) {

			return this.css( "zIndex", zIndex );

		}

		if ( this.length ) {

			var elem = $( this[ 0 ] ), position, value;

			while ( elem.length && elem[ 0 ] !== document ) {

				// Ignore z-index if position is set to a value where z-index is ignored by the browser

				// This makes behavior of this function consistent across browsers

				// WebKit always returns auto if the element is positioned

				position = elem.css( "position" );

				if ( position === "absolute" || position === "relative" || position === "fixed" ) {

					// IE returns 0 when zIndex is not specified

					// other browsers return a string

					// we ignore the case of nested elements with an explicit value of 0

					// 

					value = parseInt( elem.css( "zIndex" ), 10 );

					if ( !isNaN( value ) && value !== 0 ) {

						return value;

					}

				}

				elem = elem.parent();

			}

		}

		return 0;

	},

	disableSelection: function() {

		return this.bind( ( $.support.selectstart ? "selectstart" : "mousedown" ) +

			".ui-disableSelection", function( event ) {

				event.preventDefault();

			});

	},

	enableSelection: function() {

		return this.unbind( ".ui-disableSelection" );

	}

});

$.each( [ "Width", "Height" ], function( i, name ) {

	var side = name === "Width" ? [ "Left", "Right" ] : [ "Top", "Bottom" ],

		type = name.toLowerCase(),

		orig = {

			innerWidth: $.fn.innerWidth,

			innerHeight: $.fn.innerHeight,

			outerWidth: $.fn.outerWidth,

			outerHeight: $.fn.outerHeight

		};

	function reduce( elem, size, border, margin ) {

		$.each( side, function() {

			size -= parseFloat( $.curCSS( elem, "padding" + this, true) ) || 0;

			if ( border ) {

				size -= parseFloat( $.curCSS( elem, "border" + this + "Width", true) ) || 0;

			}

			if ( margin ) {

				size -= parseFloat( $.curCSS( elem, "margin" + this, true) ) || 0;

			}

		});

		return size;

	}

	$.fn[ "inner" + name ] = function( size ) {

		if ( size === undefined ) {

			return orig[ "inner" + name ].call( this );

		}

		return this.each(function() {

			$( this ).css( type, reduce( this, size ) + "px" );

		});

	};

	$.fn[ "outer" + name] = function( size, margin ) {

		if ( typeof size !== "number" ) {

			return orig[ "outer" + name ].call( this, size );

		}

		return this.each(function() {

			$( this).css( type, reduce( this, size, true, margin ) + "px" );

		});

	};

});

// selectors

function focusable( element, isTabIndexNotNaN ) {

	var nodeName = element.nodeName.toLowerCase();

	if ( "area" === nodeName ) {

		var map = element.parentNode,

			mapName = map.name,

			img;

		if ( !element.href || !mapName || map.nodeName.toLowerCase() !== "map" ) {

			return false;

		}

		img = $( "img[usemap=#" + mapName + "]" )[0];

		return !!img && visible( img );

	}

	return ( /input|select|textarea|button|object/.test( nodeName )

		? !element.disabled

		: "a" == nodeName

			? element.href || isTabIndexNotNaN

			: isTabIndexNotNaN)

		// the element and all of its ancestors must be visible

		&& visible( element );

}

function visible( element ) {

	return !$( element ).parents().andSelf().filter(function() {

		return $.curCSS( this, "visibility" ) === "hidden" ||

			$.expr.filters.hidden( this );

	}).length;

}

$.extend( $.expr[ ":" ], {

	data: function( elem, i, match ) {

		return !!$.data( elem, match[ 3 ] );

	},

	focusable: function( element ) {

		return focusable( element, !isNaN( $.attr( element, "tabindex" ) ) );

	},

	tabbable: function( element ) {

		var tabIndex = $.attr( element, "tabindex" ),

			isTabIndexNaN = isNaN( tabIndex );

		return ( isTabIndexNaN || tabIndex >= 0 ) && focusable( element, !isTabIndexNaN );

	}

});

// support

$(function() {

	var body = document.body,

		div = body.appendChild( div = document.createElement( "div" ) );

	// access offsetHeight before setting the style to prevent a layout bug

	// in IE 9 which causes the element to continue to take up space even

	// after it is removed from the DOM (#8026)

	div.offsetHeight;

	$.extend( div.style, {

		minHeight: "100px",

		height: "auto",

		padding: 0,

		borderWidth: 0

	});

	$.support.minHeight = div.offsetHeight === 100;

	$.support.selectstart = "onselectstart" in div;

	// set display to none to avoid a layout bug in IE

	// http://dev.jquery.com/ticket/4014

	body.removeChild( div ).style.display = "none";

});

// deprecated

$.extend( $.ui, {

	// $.ui.plugin is deprecated.  Use the proxy pattern instead.

	plugin: {

		add: function( module, option, set ) {

			var proto = $.ui[ module ].prototype;

			for ( var i in set ) {

				proto.plugins[ i ] = proto.plugins[ i ] || [];

				proto.plugins[ i ].push( [ option, set[ i ] ] );

			}

		},

		call: function( instance, name, args ) {

			var set = instance.plugins[ name ];

			if ( !set || !instance.element[ 0 ].parentNode ) {

				return;

			}

			for ( var i = 0; i < set.length; i++ ) {

				if ( instance.options[ set[ i ][ 0 ] ] ) {

					set[ i ][ 1 ].apply( instance.element, args );

				}

			}

		}

	},

	// will be deprecated when we switch to jQuery 1.4 - use jQuery.contains()

	contains: function( a, b ) {

		return document.compareDocumentPosition ?

			a.compareDocumentPosition( b ) & 16 :

			a !== b && a.contains( b );

	},

	// only used by resizable

	hasScroll: function( el, a ) {

		//If overflow is hidden, the element might have extra content, but the user wants to hide it

		if ( $( el ).css( "overflow" ) === "hidden") {

			return false;

		}

		var scroll = ( a && a === "left" ) ? "scrollLeft" : "scrollTop",

			has = false;

		if ( el[ scroll ] > 0 ) {

			return true;

		}

		// TODO: determine which cases actually cause this to happen

		// if the element doesn't have the scroll set, see if it's possible to

		// set the scroll

		el[ scroll ] = 1;

		has = ( el[ scroll ] > 0 );

		el[ scroll ] = 0;

		return has;

	},

	// these are odd functions, fix the API or move into individual plugins

	isOverAxis: function( x, reference, size ) {

		//Determines when x coordinate is over "b" element axis

		return ( x > reference ) && ( x < ( reference + size ) );

	},

	isOver: function( y, x, top, left, height, width ) {

		//Determines when x, y coordinates is over "b" element

		return $.ui.isOverAxis( y, top, height ) && $.ui.isOverAxis( x, left, width );

	}

});

})( jQuery );