/*
	Developed by Robert Nyman, http://www.robertnyman.com
	Code/licensing: http://code.google.com/p/getelementsbyclassname/
*/	
var getElementsByClassName = function (className, tag, elm){
	if (document.getElementsByClassName) {
		getElementsByClassName = function (className, tag, elm) {
			elm = elm || document;
			var elements = elm.getElementsByClassName(className),
				nodeName = (tag)? new RegExp("\\b" + tag + "\\b", "i") : null,
				returnElements = [],
				current;
			for(var i=0, il=elements.length; i<il; i+=1){
				current = elements[i];
				if(!nodeName || nodeName.test(current.nodeName)) {
					returnElements.push(current);
				}
			}
			return returnElements;
		};
	}
	else if (document.evaluate) {
		getElementsByClassName = function (className, tag, elm) {
			tag = tag || "*";
			elm = elm || document;
			var classes = className.split(" "),
				classesToCheck = "",
				xhtmlNamespace = "http://www.w3.org/1999/xhtml",
				namespaceResolver = (document.documentElement.namespaceURI === xhtmlNamespace)? xhtmlNamespace : null,
				returnElements = [],
				elements,
				node;
			for(var j=0, jl=classes.length; j<jl; j+=1){
				classesToCheck += "[contains(concat(' ', @class, ' '), ' " + classes[j] + " ')]";
			}
			try	{
				elements = document.evaluate(".//" + tag + classesToCheck, elm, namespaceResolver, 0, null);
			}
			catch (e) {
				elements = document.evaluate(".//" + tag + classesToCheck, elm, null, 0, null);
			}
			while ((node = elements.iterateNext())) {
				returnElements.push(node);
			}
			return returnElements;
		};
	}
	else {
		getElementsByClassName = function (className, tag, elm) {
			tag = tag || "*";
			elm = elm || document;
			var classes = className.split(" "),
				classesToCheck = [],
				elements = (tag === "*" && elm.all)? elm.all : elm.getElementsByTagName(tag),
				current,
				returnElements = [],
				match;
			for(var k=0, kl=classes.length; k<kl; k+=1){
				classesToCheck.push(new RegExp("(^|\\s)" + classes[k] + "(\\s|$)"));
			}
			for(var l=0, ll=elements.length; l<ll; l+=1){
				current = elements[l];
				match = false;
				for(var m=0, ml=classesToCheck.length; m<ml; m+=1){
					match = classesToCheck[m].test(current.className);
					if (!match) {
						break;
					}
				}
				if (match) {
					returnElements.push(current);
				}
			}
			return returnElements;
		};
	}
	return getElementsByClassName(className, tag, elm);
};

//------------------------------------
// HasClass
function HasClass(el,cl){
    if((el.className===null)||(typeof el=='undefined')) return false;
    var classes=el.className.split(" ");
    for(i in classes){
        if(classes[i]==cl) return true;
    }
    return false;
}
 
//------------------------------------
// AddClass
function AddClass(el,cl){
    if((HasClass(el,cl))||(typeof el=='undefined')) return;
    el.className+=" "+cl;
}
 
//------------------------------------
// RemoveClass
function RemoveClass(el,cl){
    if(typeof el=='undefined')return;
    if(el.className===null)return;
    var classes=el.className.split(" ");
    var result=[];
	//console.log(el);
    for(i in classes){
        if(classes[i] !=cl) result[result.length]=classes[i];
    }
    el.className=result.join(" ");
}

function MultiOnLoad(f){var o=window.onload;window.onload=function(){o?o():o;f()}}

//the old way ;)
//window.onload = function() {alert("onload!");}
//example :)

//new MultiOnLoad(function() {alert('three');}); 

function closeModal() {
	$.modal.close();
	document.location = document.location.toString().split("#/",2)[0];	
}

function externalPage(url) {
	//alert( "opening external page " + url );
	//document.location = url;
	window.open(url);
}