//create a pop-up window

function popup(url,wname,wide,high,scroll){
 if (url != "X") {
  self.name = "main"; // names current window as "main"
  pop_window=window.open(url,wname,'toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=no,resizable=1,width='+wide+',height='+high+'');
  var bname=navigator.appName;
  var bver=parseInt(navigator.appVersion);
  if ((bname == "Microsoft Internet Explorer" && bver >= 4) || (bname == "Netscape" && bver >= 3)){
  pop_window.focus();
  }
 }
}