function popup(url,wid,hei) {
  if(isNaN(parseInt(wid)))wid=700
  if(isNaN(parseInt(hei)))hei=700
  wind = open(url, "new", "width="+wid+",height="+hei+",status=no,toolbar=no,menubar=no,scrollbars=auto,screenX=10,screenY=10,resizable");
}