(function(){
	
	/*
		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);
	};
	/*  */
	
	(function(){
		var get = getElementsByClassName,
			eles = get("randomize"),
			each = function(arr, callback){ for(var x = 0; x < arr.length; x++){ callback(x, arr[x]) } }
			
		each(eles, function(index, item){
			var classes = item.getAttribute("class").split(" "),
				randoms = [],
				newClasses = [];
			
			each(classes, function(index,item){
				if(item.substr(0,5) === "rand-") randoms.push(item);
				else if(item !== "randomize") newClasses.push(item)
			});
			
			each(randoms, function(index,item){
				var classes = item.split("-");
				classes.splice(0,1);
				newClasses.push(classes[Math.floor(Math.random()*(classes.length))])
			});
			
			item.setAttribute("class", newClasses.join(" "))
		})
	})();
	
})();