function getURLParam(strParamName)
{
	var strReturn = "";
	var strHref = window.location.href;

	if ( strHref.indexOf("?") > -1 )
	{
		var strQueryString = strHref.substr(strHref.indexOf("?"));
		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;
			}
		}
	}

	if (strReturn == null || strReturn == "") return null;

	return strReturn;
}