/*
		Global functions. No Editar.
	*/

	/*
		getElementsByClassName()
	    Written by Jonathan Snook, http://www.snook.ca/jonathan
	    Add-ons by Robert Nyman, http://www.robertnyman.com
	*/
	
	function getElementsByClassName(oElm, strTagName, oClassNames){
		var arrElements = (strTagName == "*" && oElm.all)? oElm.all : oElm.getElementsByTagName(strTagName);
		var arrReturnElements = new Array();
		var arrRegExpClassNames = new Array();
		if(typeof oClassNames == "object"){
			for(var i=0; i<oClassNames.length; i++){
				arrRegExpClassNames.push(new RegExp("(^|\\s)" + oClassNames[i].replace(/\-/g, "\\-") + "(\\s|$)"));
			}
		}
		else{
			arrRegExpClassNames.push(new RegExp("(^|\\s)" + oClassNames.replace(/\-/g, "\\-") + "(\\s|$)"));
		}
		var oElement;
		var bMatchesAll;
		for(var j=0; j<arrElements.length; j++){
			oElement = arrElements[j];
			bMatchesAll = true;
			for(var k=0; k<arrRegExpClassNames.length; k++){
				if(!arrRegExpClassNames[k].test(oElement.className)){
					bMatchesAll = false;
					break;
				}
			}
			if(bMatchesAll){
				arrReturnElements.push(oElement);
			}
		}
		return (arrReturnElements)
	}
	// ---
	// Array support for the push method in IE 5
	if(typeof Array.prototype.push != "function"){
		Array.prototype.push = ArrayPush;
		function ArrayPush(value){
			this[this.length] = value;
		}
	}
	// ---
	/*
		Examples of how to call the function:
		
		To get all a elements in the document with a "info-links" class:
	    getElementsByClassName(document, "a", "info-links");
	    
		To get all div elements within the element named "container", with a "col" and a "left" class:
	    getElementsByClassName(document.getElementById("container"), "div", ["col", "left"]);
	*/
	// ---


	/*------------------
	::   detectar IE  ::
	---------------------*/
	function isIE()
	{
	    var userAgent   =   navigator.userAgent.toLowerCase();
	    return (document.all && userAgent.indexOf('msie')!=-1);
	}
	
	/*-------------------------------
	::   prototype in ARRAY  ::
	--------------------------------*/
	
	Array.prototype.inArray = function (value) {
		var i;
		for (i=0; i < this.length; i++) {
			if (this[i] === value) {
				return true;
			}
		}
		return false;
	};	
	
	/*-------------------------------
	::   control de EVENTOS   ::
	--------------------------------*/
	
	function addEvent( obj, type, fn ) {
		if (obj.addEventListener) {
			obj.addEventListener( type, fn, false );
			EventCache.add(obj, type, fn);
		}
		else if (obj.attachEvent) {
			obj["e"+type+fn] = fn;
			obj[type+fn] = function() { obj["e"+type+fn]( window.event ); }
			obj.attachEvent( "on"+type, obj[type+fn] );
			EventCache.add(obj, type, fn);
		}
		else {
			obj["on"+type] = obj["e"+type+fn];
		}
	}
	
	function removeEvent( obj, type, fn ) {
	  if ( obj.detachEvent ) {
	    obj.detachEvent( "on"+type, obj[type+fn] );
			obj[type+fn] = null;
	  } else
	    obj.removeEventListener( type, fn, false );
	}
	
	var EventCache = function(){
		var listEvents = [];
		return {
			listEvents : listEvents,
			add : function(node, sEventName, fHandler){
				listEvents.push(arguments);
			},
			flush : function(){
				var i, item;
				for(i = listEvents.length - 1; i >= 0; i = i - 1){
					item = listEvents[i];
					if(item[0].removeEventListener){
						item[0].removeEventListener(item[1], item[2], item[3]);
					};
					if(item[1].substring(0, 2) != "on"){
						item[1] = "on" + item[1];
					};
					if(item[0].detachEvent){
						item[0].detachEvent(item[1], item[2]);
					};
					item[0][item[1]] = null;
				};
			}
		};
	}();
	addEvent(window,'unload',EventCache.flush);

	/*
		Window Popper
	*/

	function pop(url, name, width, height, centered, features) {
		if(window.screen)if(centered)if(centered=="1"){
			var l = (screen.width-width)/2;
			var t = (screen.height-height)/2;
			features+=(features!='')?',':'';
			features+='left='+l+',top='+t;
		}
		var flop=window.open(url, name, features+((features!='')?',':'')+'width='+width+',height='+height);
		flop.focus();
	}

    /*
		Emular las pseudoclases de CSS con Javascript
	*/
	function suckerfish(type, tag, parentId) {
		if (window.attachEvent) {
			window.attachEvent("onload", function() {
				var sfEls = (parentId==null)?document.getElementsByTagName(tag):document.getElementById(parentId).getElementsByTagName(tag);
				type(sfEls);
			});
		}
	}
	// HOVER
	sfHover = function(sfEls) {
		for (var i=0; i<sfEls.length; i++) {
			sfEls[i].onmouseover=function() {
				this.className+=" sfhover";
			}
			sfEls[i].onmouseout=function() {
				this.className=this.className.replace(new RegExp(" sfhover\\b"), "");
			}
		}
	}
	// FOCUS
	sfFocus = function(sfEls) {
		for (var i=0; i<sfEls.length; i++) {
			sfEls[i].onfocus=function() {
				this.className+=" sffocus";
			}
			sfEls[i].onblur=function() {
				this.className=this.className.replace(new RegExp(" sffocus\\b"), "");
			}
		}
	}
	// ACTIVE
	sfActive = function(sfEls) {
		for (var i=0; i<sfEls.length; i++) {
			sfEls[i].onmousedown=function() {
				this.className+=" sfactive";
			}
			sfEls[i].onmouseup=function() {
				this.className=this.className.replace(new RegExp(" sfactive\\b"), "");
			}
		}
	}
	// TARGET
	sfTarget = function(sfEls) {
		var aEls = document.getElementsByTagName("A");
		document.lastTarget = null;
		for (var i=0; i<sfEls.length; i++) {
			if (sfEls[i].id) {
				if (location.hash==("#" + sfEls[i].id)) {
					sfEls[i].className+=" sftarget";
					document.lastTarget=sfEls[i];
				}
				for (var j=0; j<aEls.length; j++) {
					if (aEls[j].hash==("#" + sfEls[i].id)) aEls[j].targetEl = sfEls[i];
					aEls[j].onmousedown = function() {
						if (document.lastTarget) document.lastTarget.className = document.lastTarget.className.replace(new RegExp(" sftarget\\b"), "");
						if (this.targetEl) this.targetEl.className+=" sftarget";
						document.lastTarget=this.targetEl;
						return true;
					}
				}
			}
		}
	}
	
	// Soluciona las transparencias PNG para IE
	function fixPNG(myImage){
		if (document.all) {
			var imgID = (myImage.id) ? "id='" + myImage.id + "' " : ""
			var imgClass = (myImage.className) ? "class='" + myImage.className + "' " : ""
			var imgTitle = (myImage.title) ? "title='" + myImage.title + "' " : "title='" + myImage.alt + "' "
			var imgStyle = "display:inline-block;" + myImage.style.cssText
			var strNewHTML = "<span " + imgID + imgClass + imgTitle
			strNewHTML += " style=\"" + "width:" + myImage.width + "px; height:" + myImage.height + "px;" + imgStyle + ";"
			strNewHTML += "filter:progid:DXImageTransform.Microsoft.AlphaImageLoader"
			strNewHTML += "(src=\'" + myImage.src + "\', sizingMethod='scale');\"></span>" 
			myImage.outerHTML = strNewHTML
		}
	}