function getQSArg(argName, href) {
	
	var argValue = "";
	parts = href.split("?")
	if (parts.length > 1) {
		var	args = parts[1].split("&")
		for (var i = 0; i < args.length; i++) {
			var argPair = args[i].split("=")
			if (argPair[0] == argName) {
				argValue = argPair[1]
				break;
			}
		}
	}	
	return argValue;
}

function replaceString(inputString, searchValue, replaceValue) {
		return inputString.replace(new RegExp( searchValue, "g" ), replaceValue)
}