dopetest = (((navigator.appName == "Netscape") && (parseInt(navigator.appVersion) >= 3 )) || ((navigator.appName == "Microsoft Internet Explorer") && (parseInt(navigator.appVersion) >= 4 )));
function popup(i,x,y) {
	if (dopetest) {
   	setstr = "toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=no,resizeable=no,copyhistory=no,width=" + x + ",height=" + y;
		window.open("http://www.nukes.ltd.uk/cgi-bin/popup.pl?i=http://www.lots.uk.com/images/lots/big" + i + ".jpg",i,setstr);
	}
}