function wopen(url, name, w, h)
{
// factors for window decoration space.
w += 20;
h += 30;
 var win = window.open(url,
  name, 
  'width=' + w + ', height=' + h + ', ' +
  'location=no, menubar=no, ' +
  'status=no, left=600, top=100, toolbar=no, scrollbars=yes, resizable=yes');
 win.resizeTo(w, h);
 win.focus();
}