//Recuperar Querystring da URL
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;
}