function getGETParameter(psParameterName)
{
	var lsReturn = "";
	var lsURL = document.URL;
	if (lsURL.indexOf("?") > -1 )
	{
		var lsParameterString = lsURL.substr(lsURL.indexOf("?"));
		var laParameter = lsParameterString.split("&");
		for ( var liParameterCounter = 0; liParameterCounter < laParameter.length; liParameterCounter++ )
		{
			if (laParameter[liParameterCounter].toLowerCase().indexOf(psParameterName.toLowerCase() + "=") > -1 )
			{
				var lsParameter = laParameter[liParameterCounter].split("=");
				lsReturn = lsParameter[1];
				break;
			}
		}
	}
	return lsReturn;
}

function gotoURL(pURL)
{
	if(gsNATS.length > 0)
		document.location.href = pURL + gsNATS;
	else
		document.location.href = pURL + gsDefaultNATS;
}

function gotoTrackingURL()
{
	gotoURL(gsTrackingURL);
}

var gsNATS = getGETParameter("nats");