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=yes, menubar=yes, status=yes, toolbar=yes, scrollbars=yes, resizable=yes');
		 win.focus();
	}