/*
 * ! Respond.js v1.4.2: min/max-width media query polyfill * Copyright 2013 Scott Jehl
 * Licensed under https://github.com/scottjehl/Respond/blob/master/LICENSE-MIT
*/
!function(a){"use strict";a.matchMedia=a.matchMedia||function(a){var b,c=a.documentElement,d=c.firstElementChild||c.firstChild,e=a.createElement("body"),f=a.createElement("div");return f.id="mq-test-1",f.style.cssText="position:absolute;top:-100em",e.style.background="none",e.appendChild(f),function(a){return f.innerHTML='&shy;<style media="'+a+'"> #mq-test-1 { width: 42px; }</style>',c.insertBefore(e,d),b=42===f.offsetWidth,c.removeChild(e),{matches:b,media:a}}}(a.document)}(this),function(a){"use strict";function b(){u(!0)}var c={};a.respond=c,c.update=function(){};var d=[],e=function(){var b=!1;try{b=new a.XMLHttpRequest}catch(c){b=new a.ActiveXObject("Microsoft.XMLHTTP")}return function(){return b}}(),f=function(a,b){var c=e();c&&(c.open("GET",a,!0),c.onreadystatechange=function(){4!==c.readyState||200!==c.status&&304!==c.status||b(c.responseText)},4!==c.readyState&&c.send(null))};if(c.ajax=f,c.queue=d,c.regex={media:/@media[^\{]+\{([^\{\}]*\{[^\}\{]*\})+/gi,keyframes:/@(?:\-(?:o|moz|webkit)\-)?keyframes[^\{]+\{(?:[^\{\}]*\{[^\}\{]*\})+[^\}]*\}/gi,urls:/(url\()['"]?([^\/\)'"][^:\)'"]+)['"]?(\))/g,findStyles:/@media *([^\{]+)\{([\S\s]+?)$/,only:/(only\s+)?([a-zA-Z]+)\s?/,minw:/\([\s]*min\-width\s*:[\s]*([\s]*[0-9\.]+)(px|em)[\s]*\)/,maxw:/\([\s]*max\-width\s*:[\s]*([\s]*[0-9\.]+)(px|em)[\s]*\)/},c.mediaQueriesSupported=a.matchMedia&&null!==a.matchMedia("only all")&&a.matchMedia("only all").matches,!c.mediaQueriesSupported){var g,h,i,j=a.document,k=j.documentElement,l=[],m=[],n=[],o={},p=30,q=j.getElementsByTagName("head")[0]||k,r=j.getElementsByTagName("base")[0],s=q.getElementsByTagName("link"),t=function(){var a,b=j.createElement("div"),c=j.body,d=k.style.fontSize,e=c&&c.style.fontSize,f=!1;return b.style.cssText="position:absolute;font-size:1em;width:1em",c||(c=f=j.createElement("body"),c.style.background="none"),k.style.fontSize="100%",c.style.fontSize="100%",c.appendChild(b),f&&k.insertBefore(c,k.firstChild),a=b.offsetWidth,f?k.removeChild(c):c.removeChild(b),k.style.fontSize=d,e&&(c.style.fontSize=e),a=i=parseFloat(a)},u=function(b){var c="clientWidth",d=k[c],e="CSS1Compat"===j.compatMode&&d||j.body[c]||d,f={},o=s[s.length-1],r=(new Date).getTime();if(b&&g&&p>r-g)return a.clearTimeout(h),h=a.setTimeout(u,p),void 0;g=r;for(var v in l)if(l.hasOwnProperty(v)){var w=l[v],x=w.minw,y=w.maxw,z=null===x,A=null===y,B="em";x&&(x=parseFloat(x)*(x.indexOf(B)>-1?i||t():1)),y&&(y=parseFloat(y)*(y.indexOf(B)>-1?i||t():1)),w.hasquery&&(z&&A||!(z||e>=x)||!(A||y>=e))||(f[w.media]||(f[w.media]=[]),f[w.media].push(m[w.rules]))}for(var C in n)n.hasOwnProperty(C)&&n[C]&&n[C].parentNode===q&&q.removeChild(n[C]);n.length=0;for(var D in f)if(f.hasOwnProperty(D)){var E=j.createElement("style"),F=f[D].join("\n");E.type="text/css",E.media=D,q.insertBefore(E,o.nextSibling),E.styleSheet?E.styleSheet.cssText=F:E.appendChild(j.createTextNode(F)),n.push(E)}},v=function(a,b,d){var e=a.replace(c.regex.keyframes,"").match(c.regex.media),f=e&&e.length||0;b=b.substring(0,b.lastIndexOf("/"));var g=function(a){return a.replace(c.regex.urls,"$1"+b+"$2$3")},h=!f&&d;b.length&&(b+="/"),h&&(f=1);for(var i=0;f>i;i++){var j,k,n,o;h?(j=d,m.push(g(a))):(j=e[i].match(c.regex.findStyles)&&RegExp.$1,m.push(RegExp.$2&&g(RegExp.$2))),n=j.split(","),o=n.length;for(var p=0;o>p;p++)k=n[p],l.push({media:k.split("(")[0].match(c.regex.only)&&RegExp.$2||"all",rules:m.length-1,hasquery:k.indexOf("(")>-1,minw:k.match(c.regex.minw)&&parseFloat(RegExp.$1)+(RegExp.$2||""),maxw:k.match(c.regex.maxw)&&parseFloat(RegExp.$1)+(RegExp.$2||"")})}u()},w=function(){if(d.length){var b=d.shift();f(b.href,function(c){v(c,b.href,b.media),o[b.href]=!0,a.setTimeout(function(){w()},0)})}},x=function(){for(var b=0;b<s.length;b++){var c=s[b],e=c.href,f=c.media,g=c.rel&&"stylesheet"===c.rel.toLowerCase();e&&g&&!o[e]&&(c.styleSheet&&c.styleSheet.rawCssText?(v(c.styleSheet.rawCssText,e,f),o[e]=!0):(!/^([a-zA-Z:]*\/\/)/.test(e)&&!r||e.replace(RegExp.$1,"").split("/")[0]===a.location.host)&&("//"===e.substring(0,2)&&(e=a.location.protocol+e),d.push({href:e,media:f})))}w()};x(),c.update=x,c.getEmValue=t,a.addEventListener?a.addEventListener("resize",b,!1):a.attachEvent&&a.attachEvent("onresize",b)}}(this);
/*
 * @preserve HTML5 Shiv 3.7.3 | @afarkas @jdalton @jon_neal @rem | MIT/GPL2 Licensed
*/
!function(a,b){function c(a,b){var c=a.createElement("p"),d=a.getElementsByTagName("head")[0]||a.documentElement;return c.innerHTML="x<style>"+b+"</style>",d.insertBefore(c.lastChild,d.firstChild)}function d(){var a=t.elements;return"string"==typeof a?a.split(" "):a}function e(a,b){var c=t.elements;"string"!=typeof c&&(c=c.join(" ")),"string"!=typeof a&&(a=a.join(" ")),t.elements=c+" "+a,j(b)}function f(a){var b=s[a[q]];return b||(b={},r++,a[q]=r,s[r]=b),b}function g(a,c,d){if(c||(c=b),l)return c.createElement(a);d||(d=f(c));var e;return e=d.cache[a]?d.cache[a].cloneNode():p.test(a)?(d.cache[a]=d.createElem(a)).cloneNode():d.createElem(a),!e.canHaveChildren||o.test(a)||e.tagUrn?e:d.frag.appendChild(e)}function h(a,c){if(a||(a=b),l)return a.createDocumentFragment();c=c||f(a);for(var e=c.frag.cloneNode(),g=0,h=d(),i=h.length;i>g;g++)e.createElement(h[g]);return e}function i(a,b){b.cache||(b.cache={},b.createElem=a.createElement,b.createFrag=a.createDocumentFragment,b.frag=b.createFrag()),a.createElement=function(c){return t.shivMethods?g(c,a,b):b.createElem(c)},a.createDocumentFragment=Function("h,f","return function(){var n=f.cloneNode(),c=n.createElement;h.shivMethods&&("+d().join().replace(/[\w\-:]+/g,function(a){return b.createElem(a),b.frag.createElement(a),'c("'+a+'")'})+");return n}")(t,b.frag)}function j(a){a||(a=b);var d=f(a);return!t.shivCSS||k||d.hasCSS||(d.hasCSS=!!c(a,"article,aside,dialog,figcaption,figure,footer,header,hgroup,main,nav,section{display:block}mark{background:#FF0;color:#000}template{display:none}")),l||i(a,d),a}var k,l,m="3.7.3",n=a.html5||{},o=/^<|^(?:button|map|select|textarea|object|iframe|option|optgroup)$/i,p=/^(?:a|b|code|div|fieldset|h1|h2|h3|h4|h5|h6|i|label|li|ol|p|q|span|strong|style|table|tbody|td|th|tr|ul)$/i,q="_html5shiv",r=0,s={};!function(){try{var a=b.createElement("a");a.innerHTML="<xyz></xyz>",k="hidden"in a,l=1==a.childNodes.length||function(){b.createElement("a");var a=b.createDocumentFragment();return"undefined"==typeof a.cloneNode||"undefined"==typeof a.createDocumentFragment||"undefined"==typeof a.createElement}()}catch(c){k=!0,l=!0}}();var t={elements:n.elements||"abbr article aside audio bdi canvas data datalist details dialog figcaption figure footer header hgroup main mark meter nav output picture progress section summary template time video",version:m,shivCSS:n.shivCSS!==!1,supportsUnknownElements:l,shivMethods:n.shivMethods!==!1,type:"default",shivDocument:j,createElement:g,createDocumentFragment:h,addElements:e};a.html5=t,j(b),"object"==typeof module&&module.exports&&(module.exports=t)}("undefined"!=typeof window?window:this,document);
/*
selectivizr v1.0.3b - (c) Keith Clark, freely distributable under the terms 
of the MIT license.
selectivizr.com
*/
/* 
  
Notes about this source
-----------------------
 * The #DEBUG_START and #DEBUG_END comments are used to mark blocks of code
   that will be removed prior to building a final release version (using a
   pre-compression script)
  
  
References:
-----------
 
 * CSS Syntax          : http://www.w3.org/TR/2003/WD-css3-syntax-20030813/#style
 * Selectors           : http://www.w3.org/TR/css3-selectors/#selectors
 * IE Compatability    : http://msdn.microsoft.com/en-us/library/cc351024(VS.85).aspx
 * W3C Selector Tests  : http://www.w3.org/Style/CSS/Test/CSS3/Selectors/current/html/tests/
 
*/

(function(win) {

	// Determine IE version and stop execution if browser isn't IE. This
	// handles the script being loaded by non IE browsers because the
	// developer didn't use conditional comments.
	var ieUserAgent = navigator.userAgent.match(/MSIE (\d+)/);
	if (!ieUserAgent) {
		return false;
	}

	// =========================== Init Objects ============================

	var doc = document;
	var root = doc.documentElement;
	var xhr = getXHRObject();
	var ieVersion = ieUserAgent[1];

	// If were not in standards mode, IE is too old / new or we can't create
	// an XMLHttpRequest object then we should get out now.
	if (doc.compatMode != 'CSS1Compat' || ieVersion<6 || ieVersion>8 || !xhr) {
		return;
	}
	
	
	// ========================= Common Objects ============================

	// Compatiable selector engines in order of CSS3 support. Note: '*' is
	// a placholder for the object key name. (basically, crude compression)
	var selectorEngines = {
		"NW"								: "*.Dom.select",
		"MooTools"							: "$$",
		"DOMAssistant"						: "*.$", 
		"Prototype"							: "$$",
		"YAHOO"								: "*.util.Selector.query",
		"Sizzle"							: "*", 
		"jQuery"							: "*",
		"dojo"								: "*.query"
	};

	var selectorMethod;
	var enabledWatchers 					= [];     // array of :enabled/:disabled elements to poll
	var domPatches							= [];
	var ie6PatchID 							= 0;      // used to solve ie6's multiple class bug
	var patchIE6MultipleClasses				= true;   // if true adds class bloat to ie6
	var namespace 							= "slvzr";

	// Stylesheet parsing regexp's
	var RE_COMMENT							= /(\/\*[^*]*\*+([^\/][^*]*\*+)*\/)\s*?/g;
	var RE_IMPORT							= /@import\s*(?:(?:(?:url\(\s*(['"]?)(.*)\1)\s*\))|(?:(['"])(.*)\3))\s*([^;]*);/g;
	var RE_ASSET_URL 						= /(behavior\s*?:\s*)?\burl\(\s*(["']?)(?!data:)([^"')]+)\2\s*\)/g;
	var RE_PSEUDO_STRUCTURAL				= /^:(empty|(first|last|only|nth(-last)?)-(child|of-type))$/;
	var RE_PSEUDO_ELEMENTS					= /:(:first-(?:line|letter))/g;
	var RE_SELECTOR_GROUP					= /((?:^|(?:\s*})+)(?:\s*@media[^{]+{)?)\s*([^\{]*?[\[:][^{]+)/g;
	var RE_SELECTOR_PARSE					= /([ +~>])|(:[a-z-]+(?:\(.*?\)+)?)|(\[.*?\])/g; 
	var RE_LIBRARY_INCOMPATIBLE_PSEUDOS		= /(:not\()?:(hover|enabled|disabled|focus|checked|target|active|visited|first-line|first-letter)\)?/g;
	var RE_PATCH_CLASS_NAME_REPLACE			= /[^\w-]/g;
	
	// HTML UI element regexp's
	var RE_INPUT_ELEMENTS					= /^(INPUT|SELECT|TEXTAREA|BUTTON)$/;
	var RE_INPUT_CHECKABLE_TYPES			= /^(checkbox|radio)$/;

	// Broken attribute selector implementations (IE7/8 native [^=""], [$=""] and [*=""])
	var BROKEN_ATTR_IMPLEMENTATIONS			= ieVersion>6 ? /[\$\^*]=(['"])\1/ : null;

	// Whitespace normalization regexp's
	var RE_TIDY_TRAILING_WHITESPACE			= /([(\[+~])\s+/g;
	var RE_TIDY_LEADING_WHITESPACE			= /\s+([)\]+~])/g;
	var RE_TIDY_CONSECUTIVE_WHITESPACE		= /\s+/g;
	var RE_TIDY_TRIM_WHITESPACE				= /^\s*((?:[\S\s]*\S)?)\s*$/;
	
	// String constants
	var EMPTY_STRING						= "";
	var SPACE_STRING						= " ";
	var PLACEHOLDER_STRING					= "$1";

	// =========================== Patching ================================

	// --[ patchStyleSheet() ]----------------------------------------------
	// Scans the passed cssText for selectors that require emulation and
	// creates one or more patches for each matched selector.
	function patchStyleSheet( cssText ) {
		return cssText.replace(RE_PSEUDO_ELEMENTS, PLACEHOLDER_STRING).
			replace(RE_SELECTOR_GROUP, function(m, prefix, selectorText) {	
    			var selectorGroups = selectorText.split(",");
    			for (var c = 0, cs = selectorGroups.length; c < cs; c++) {
    				var selector = normalizeSelectorWhitespace(selectorGroups[c]) + SPACE_STRING;
    				var patches = [];
    				selectorGroups[c] = selector.replace(RE_SELECTOR_PARSE, 
    					function(match, combinator, pseudo, attribute, index) {
    						if (combinator) {
    							if (patches.length>0) {
    								domPatches.push( { selector: selector.substring(0, index), patches: patches } )
    								patches = [];
    							}
    							return combinator;
    						}		
    						else {
    							var patch = (pseudo) ? patchPseudoClass( pseudo ) : patchAttribute( attribute );
    							if (patch) {
    								patches.push(patch);
    								return "." + patch.className;
    							}
    							return match;
    						}
    					}
    				);
    			}
    			return prefix + selectorGroups.join(",");
    		});
	};

	// --[ patchAttribute() ]-----------------------------------------------
	// returns a patch for an attribute selector.
	function patchAttribute( attr ) {
		return (!BROKEN_ATTR_IMPLEMENTATIONS || BROKEN_ATTR_IMPLEMENTATIONS.test(attr)) ? 
			{ className: createClassName(attr), applyClass: true } : null;
	};

	// --[ patchPseudoClass() ]---------------------------------------------
	// returns a patch for a pseudo-class
	function patchPseudoClass( pseudo ) {

		var applyClass = true;
		var className = createClassName(pseudo.slice(1));
		var isNegated = pseudo.substring(0, 5) == ":not(";
		var activateEventName;
		var deactivateEventName;

		// if negated, remove :not() 
		if (isNegated) {
			pseudo = pseudo.slice(5, -1);
		}
		
		// bracket contents are irrelevant - remove them
		var bracketIndex = pseudo.indexOf("(")
		if (bracketIndex > -1) {
			pseudo = pseudo.substring(0, bracketIndex);
		}		
		
		// check we're still dealing with a pseudo-class
		if (pseudo.charAt(0) == ":") {
			switch (pseudo.slice(1)) {

				case "root":
					applyClass = function(e) {
						return isNegated ? e != root : e == root;
					}
					break;

				case "target":
					// :target is only supported in IE8
					if (ieVersion == 8) {
						applyClass = function(e) {
							var handler = function() { 
								var hash = location.hash;
								var hashID = hash.slice(1);
								return isNegated ? (hash == EMPTY_STRING || e.id != hashID) : (hash != EMPTY_STRING && e.id == hashID);
							};
							addEvent( win, "hashchange", function() {
								toggleElementClass(e, className, handler());
							})
							return handler();
						}
						break;
					}
					return false;
				
				case "checked":
					applyClass = function(e) { 
						if (RE_INPUT_CHECKABLE_TYPES.test(e.type)) {
							addEvent( e, "propertychange", function() {
								if (event.propertyName == "checked") {
									toggleElementClass( e, className, e.checked !== isNegated );
								} 							
							})
						}
						return e.checked !== isNegated;
					}
					break;
					
				case "disabled":
					isNegated = !isNegated;

				case "enabled":
					applyClass = function(e) { 
						if (RE_INPUT_ELEMENTS.test(e.tagName)) {
							addEvent( e, "propertychange", function() {
								if (event.propertyName == "$disabled") {
									toggleElementClass( e, className, e.$disabled === isNegated );
								} 
							});
							enabledWatchers.push(e);
							e.$disabled = e.disabled;
							return e.disabled === isNegated;
						}
						return pseudo == ":enabled" ? isNegated : !isNegated;
					}
					break;
					
				case "focus":
					activateEventName = "focus";
					deactivateEventName = "blur";
								
				case "hover":
					if (!activateEventName) {
						activateEventName = "mouseenter";
						deactivateEventName = "mouseleave";
					}
					applyClass = function(e) {
						addEvent( e, isNegated ? deactivateEventName : activateEventName, function() {
							toggleElementClass( e, className, true );
						})
						addEvent( e, isNegated ? activateEventName : deactivateEventName, function() {
							toggleElementClass( e, className, false );
						})
						return isNegated;
					}
					break;
					
				// everything else
				default:
					// If we don't support this pseudo-class don't create 
					// a patch for it
					if (!RE_PSEUDO_STRUCTURAL.test(pseudo)) {
						return false;
					}
					break;
			}
		}
		return { className: className, applyClass: applyClass };
	};

	// --[ applyPatches() ]-------------------------------------------------
	function applyPatches() {
		var elms, selectorText, patches, domSelectorText;

		for (var c=0; c<domPatches.length; c++) {
			selectorText = domPatches[c].selector;
			patches = domPatches[c].patches;

			// Although some selector libraries can find :checked :enabled etc.
			// we need to find all elements that could have that state because
			// it can be changed by the user.
			domSelectorText = selectorText.replace(RE_LIBRARY_INCOMPATIBLE_PSEUDOS, EMPTY_STRING);

			// If the dom selector equates to an empty string or ends with
			// whitespace then we need to append a universal selector (*) to it.
			if (domSelectorText == EMPTY_STRING || domSelectorText.charAt(domSelectorText.length - 1) == SPACE_STRING) {
				domSelectorText += "*";
			}

			// Ensure we catch errors from the selector library
			try {
				elms = selectorMethod( domSelectorText );
			} catch (ex) {
				// #DEBUG_START
				log( "Selector '" + selectorText + "' threw exception '" + ex + "'" );
				// #DEBUG_END
			}


			if (elms) {
				for (var d = 0, dl = elms.length; d < dl; d++) {
					var elm = elms[d];
					var cssClasses = elm.className;
					for (var f = 0, fl = patches.length; f < fl; f++) {
						var patch = patches[f];
						if (!hasPatch(elm, patch)) {
							if (patch.applyClass && (patch.applyClass === true || patch.applyClass(elm) === true)) {
								cssClasses = toggleClass(cssClasses, patch.className, true );
							}
						}
					}
					elm.className = cssClasses;
				}
			}
		}
	};

	// --[ hasPatch() ]-----------------------------------------------------
	// checks for the exsistence of a patch on an element
	function hasPatch( elm, patch ) {
		return new RegExp("(^|\\s)" + patch.className + "(\\s|$)").test(elm.className);
	};
	
	
	// =========================== Utility =================================
	
	function createClassName( className ) {
		return namespace + "-" + ((ieVersion == 6 && patchIE6MultipleClasses) ?
			ie6PatchID++
		:
			className.replace(RE_PATCH_CLASS_NAME_REPLACE, function(a) { return a.charCodeAt(0) }));
	};

	// --[ log() ]----------------------------------------------------------
	// #DEBUG_START
	function log( message ) {
		if (win.console) {
			win.console.log(message);
		}
	};
	// #DEBUG_END

	// --[ trim() ]---------------------------------------------------------
	// removes leading, trailing whitespace from a string
	function trim( text ) {
		return text.replace(RE_TIDY_TRIM_WHITESPACE, PLACEHOLDER_STRING);
	};

	// --[ normalizeWhitespace() ]------------------------------------------
	// removes leading, trailing and consecutive whitespace from a string
	function normalizeWhitespace( text ) {
		return trim(text).replace(RE_TIDY_CONSECUTIVE_WHITESPACE, SPACE_STRING);
	};

	// --[ normalizeSelectorWhitespace() ]----------------------------------
	// tidies whitespace around selector brackets and combinators
	function normalizeSelectorWhitespace( selectorText ) {
		return normalizeWhitespace(selectorText.
			replace(RE_TIDY_TRAILING_WHITESPACE, PLACEHOLDER_STRING).
			replace(RE_TIDY_LEADING_WHITESPACE, PLACEHOLDER_STRING)
		);
	};

	// --[ toggleElementClass() ]-------------------------------------------
	// toggles a single className on an element
	function toggleElementClass( elm, className, on ) {
		var oldClassName = elm.className;
		var newClassName = toggleClass(oldClassName, className, on);
		if (newClassName != oldClassName) {
			elm.className = newClassName;
			elm.parentNode.className += EMPTY_STRING;
		}
	};

	// --[ toggleClass() ]--------------------------------------------------
	// adds / removes a className from a string of classNames. Used to 
	// manage multiple class changes without forcing a DOM redraw
	function toggleClass( classList, className, on ) {
		var re = RegExp("(^|\\s)" + className + "(\\s|$)");
		var classExists = re.test(classList);
		if (on) {
			return classExists ? classList : classList + SPACE_STRING + className;
		} else {
			return classExists ? trim(classList.replace(re, PLACEHOLDER_STRING)) : classList;
		}
	};
	
	// --[ addEvent() ]-----------------------------------------------------
	function addEvent(elm, eventName, eventHandler) {
		elm.attachEvent("on" + eventName, eventHandler);
	};

	// --[ getXHRObject() ]-------------------------------------------------
	function getXHRObject() {
		if (win.XMLHttpRequest) {
			return new XMLHttpRequest;
		}
		try	{ 
			return new ActiveXObject('Microsoft.XMLHTTP');
		} catch(e) { 
			return null;
		}
	};

	// --[ loadStyleSheet() ]-----------------------------------------------
	function loadStyleSheet( url ) {
		xhr.open("GET", url, false);
		xhr.send();
		return (xhr.status==200) ? xhr.responseText : EMPTY_STRING;	
	};
	
	// --[ resolveUrl() ]---------------------------------------------------
	// Converts a URL fragment to a fully qualified URL using the specified
	// context URL. Returns null if same-origin policy is broken
	function resolveUrl( url, contextUrl, ignoreSameOriginPolicy ) {

		function getProtocol( url ) {
			return url.substring(0, url.indexOf("//"));
		};

		function getProtocolAndHost( url ) {
			return url.substring(0, url.indexOf("/", 8));
		};

		if (!contextUrl) {
			contextUrl = baseUrl;
		}

		// protocol-relative path
		if (url.substring(0,2)=="//") {
			url = getProtocol(contextUrl) + url;
		}

		// absolute path
		if (/^https?:\/\//i.test(url)) {
			return !ignoreSameOriginPolicy && getProtocolAndHost(contextUrl) != getProtocolAndHost(url) ? null : url ;
		}

		// root-relative path
		if (url.charAt(0)=="/")	{
			return getProtocolAndHost(contextUrl) + url;
		}

		// relative path
		var contextUrlPath = contextUrl.split(/[?#]/)[0]; // ignore query string in the contextUrl	
		if (url.charAt(0) != "?" && contextUrlPath.charAt(contextUrlPath.length - 1) != "/") {
			contextUrlPath = contextUrlPath.substring(0, contextUrlPath.lastIndexOf("/") + 1);
		}

		return contextUrlPath + url;
	};
	
	// --[ parseStyleSheet() ]----------------------------------------------
	// Downloads the stylesheet specified by the URL, removes it's comments
	// and recursivly replaces @import rules with their contents, ultimately
	// returning the full cssText.
	function parseStyleSheet( url ) {
		if (url) {
			return loadStyleSheet(url).replace(RE_COMMENT, EMPTY_STRING).
			replace(RE_IMPORT, function( match, quoteChar, importUrl, quoteChar2, importUrl2, media ) {
				var cssText = parseStyleSheet(resolveUrl(importUrl || importUrl2, url));
				return (media) ? "@media " + media + " {" + cssText + "}" : cssText;
			}).
			replace(RE_ASSET_URL, function( match, isBehavior, quoteChar, assetUrl ) { 
				quoteChar = quoteChar || EMPTY_STRING;
				return isBehavior ? match : " url(" + quoteChar + resolveUrl(assetUrl, url, true) + quoteChar + ") "; 
			});
		}
		return EMPTY_STRING;
	};

	// --[ getStyleSheets() ]-----------------------------------------------
	function getStyleSheets() {
		var url, stylesheet;
		for (var c = 0; c < doc.styleSheets.length; c++) {
			stylesheet = doc.styleSheets[c];
			if (stylesheet.href != EMPTY_STRING) {
				url = resolveUrl(stylesheet.href);
				if (url) {
					stylesheet.cssText = stylesheet["rawCssText"] = patchStyleSheet( parseStyleSheet( url ) );
				}
			}
		}
	};

	// --[ init() ]---------------------------------------------------------
	function init() {
		applyPatches();

		// :enabled & :disabled polling script (since we can't hook 
		// onpropertychange event when an element is disabled) 
		if (enabledWatchers.length > 0) {
			setInterval( function() {
				for (var c = 0, cl = enabledWatchers.length; c < cl; c++) {
					var e = enabledWatchers[c];
					if (e.disabled !== e.$disabled) {
						if (e.disabled) {
							e.disabled = false;
							e.$disabled = true;
							e.disabled = true;
						}
						else {
							e.$disabled = e.disabled;
						}
					}
				}
			}, 250)
		}
	};

	// Determine the baseUrl and download the stylesheets
	var baseTags = doc.getElementsByTagName("BASE");
	var baseUrl = (baseTags.length > 0) ? baseTags[0].href : doc.location.href;
	getStyleSheets();

	// Bind selectivizr to the ContentLoaded event. 
	ContentLoaded(win, function() {
		// Determine the "best fit" selector engine
		for (var engine in selectorEngines) {
			var members, member, context = win;
			if (win[engine]) {
				members = selectorEngines[engine].replace("*", engine).split(".");
				while ((member = members.shift()) && (context = context[member])) {}
				if (typeof context == "function") {
					selectorMethod = context;
					init();
					return;
				}
			}
		}
	});
	

	
	/*!
	 * ContentLoaded.js by Diego Perini, modified for IE<9 only (to save space)
	 *
	 * Author: Diego Perini (diego.perini at gmail.com)
	 * Summary: cross-browser wrapper for DOMContentLoaded
	 * Updated: 20101020
	 * License: MIT
	 * Version: 1.2
	 *
	 * URL:
	 * http://javascript.nwbox.com/ContentLoaded/
	 * http://javascript.nwbox.com/ContentLoaded/MIT-LICENSE
	 *
	 */

	// @w window reference
	// @f function reference
	function ContentLoaded(win, fn) {

		var done = false, top = true,
		init = function(e) {
			if (e.type == "readystatechange" && doc.readyState != "complete") return;
			(e.type == "load" ? win : doc).detachEvent("on" + e.type, init, false);
			if (!done && (done = true)) fn.call(win, e.type || e);
		},
		poll = function() {
			try { root.doScroll("left"); } catch(e) { setTimeout(poll, 50); return; }
			init('poll');
		};

		if (doc.readyState == "complete") fn.call(win, EMPTY_STRING);
		else {
			if (doc.createEventObject && root.doScroll) {
				try { top = !win.frameElement; } catch(e) { }
				if (top) poll();
			}
			addEvent(doc,"readystatechange", init);
			addEvent(win,"load", init);
		}
	};
})(this);