wopen = function(url, 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, 'popup',	'width=' + w + ', height=' + h + ', ' +	'location=no, menubar=no, status=no, toolbar=no, scrollbars=yes, resizable=yes');
			 win.resizeTo(w, h);
			 win.focus();
}