<!-- 12 hours
if (document.cookie.indexOf("popuptrafficbehind") == -1) {
var expdate = new Date((new Date()).getTime() + 43200000);
document.cookie="popuptrafficbehind=general; expires=" + expdate.toGMTString() + "; path=/;";
document.write("<SCRIPT LANGUAGE=\"JavaScript\" src=\"http://www.popuptraffic.com/assign.php?l=tidalwavs&mode=behind\"></script>");
}
//-->