//urls should  be in the form of somepage.htm?camp=xyz&ad=myad&aff=myaff
var ref_url = document.referrer.replace('~', '%7E');;
var AdStr = unescape(location.search.substring(1, location.search.length));
var ref_ad = "NAB";
var ref_camp ="NAB";
var ref_aff ="999";
				
if (AdStr != ""){
var tmpstr = AdStr.split('&');
			if (tmpstr.length>1) {
		
		 		var campTmp = tmpstr[0].split('=');
				var AdTmp = tmpstr[1].split('=');

			if (campTmp[0] == "camp") {
					var ref_camp = campTmp[1];
				}
			
			if (AdTmp[0] == "ad") {
					var ref_ad = AdTmp[1];
				}
			
			if (tmpstr.length>2) {
			
				var affTmp = tmpstr[2].split('=');
				
				if (affTmp[0] == "aff"){
					var ref_aff = affTmp[1];
				}
			}					
	}
}
var adtrackerStr= ref_url + "~" + ref_camp + "~" + ref_ad + "~" + ref_aff;

//adtrackerStr="";
document.write("<img height='1' width='1' border='0' src='http://localhost/temp-rsvp/conversions.asp?label=" + adtrackerStr + "'/>");