function wopen(url, name, w, h) {
// Fudge factors for window decoration space.
 // In my tests these work well on all platforms & browsers.
w += 32;
h += 96;
 var win = window.open(url,  name,   'width=' + w + ', height=' + h + ', ' +  'location=no, menubar=no, ' +  'status=no, toolbar=no, scrollbars=no, resizable=no');
 win.resizeTo(w, h);
 win.focus();
}