jQuery.extend(
{
	getURLParam: function (strParamName)
	{
		var strReturn = "";
		var strHref = window.location.href;
		var bFound=false;
		var cmpstring = strParamName + "=";
		var cmplen = cmpstring.length;
		
		if ( strHref.indexOf("?") > -1 )
		{
			var strQueryString = strHref.substr(strHref.indexOf("?")+1);
			var aQueryString = strQueryString.split("&");
		
			for ( var iParam = 0; iParam < aQueryString.length; iParam++ )
			{
				if (aQueryString[iParam].substr(0,cmplen)==cmpstring)
				{
					var aParam = aQueryString[iParam].split("=");
					strReturn = aParam[1];
					bFound = true;
					break;
				}
			}
		}
		
		if (bFound==false) return null;
		
		return strReturn;
		
		}
		
	}
);