function getURLParam(strParamName) {
  			var strReturn = "";
			var strHref = window.location.href;
			if (strHref.indexOf("?") > -1) {
				var strQueryString = strHref.substr(strHref.indexOf("?")).toLowerCase();
				var aQueryString = strQueryString.split("&");
				for (var iParam = 0; iParam < aQueryString.length; iParam++) {
					if (aQueryString[iParam].indexOf(strParamName + "=") > -1) {
						var aParam = aQueryString[iParam].split("=");
						strReturn = aParam[1];
						break;
					}
				}
  			}
  			return strReturn;
		}