place this code in the <HEAD> of your document (note: the bold lines should be on one (1) line):

<script>
<!--
function close_nagwin(){
var popupURL = "http://members.tripod.com/adm/popup/roadmap.shtml";
popup = window.open(popupURL,"TripodPopup",'toolbar=0,location=0,directories=0 status=0,menubar=0,scrollbars=0,resizable=0,width=0,height=0');
popup.close()}
close_nagwin();
//-->
</script>

Tripod: