//Array.indexOf prototype declaration for maximum compatibility
if(!Array.prototype.indexOf) {
	Array.prototype.indexOf = function(elt /*, from*/) {
		var len = this.length;
		
		var from = Number(arguments[1]) || 0;
		from = (from < 0) ? Math.ceil(from) : Math.floor(from);
		if(from < 0) from += len;
		
		for(; from < len; from++) {
			if(from in this && this[from] === elt) return from;
		}
		return -1;
	};
}

//Returns the first child node that matches a specified tag
function getFirstChildWithTagName(element, tagName) {
	for(var i = 0; i < element.childNodes.length; i++) {
		if(element.childNodes[i].nodeName == tagName) return element.childNodes[i];
	}
}

//Function returns the portion of a URL string after any hash symbol
function getHash(url) {
	var hashPos = url.lastIndexOf ('#');
	return url.substring(hashPos + 1);
}

/*
	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;
//alert(className + " :: " + tag + " :: " + elm);
			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 timestamp() {
	var date = new Date();
	var timestamp = date.getTime();
	return timestamp;
}
function MM_openBrWindow(theURL,winName,features) { //v2.0
	window.open(theURL,winName,features);
}
function searchArray(arrToSearch, strToFind) {
	for(var n = 0; n < arrToSearch.length; n++) {
		if(arrToSearch[n] == strToFind) {
			return n;
		}
	}
	return -1;
}