function popup(url, name, width, height, scrollbars) { 
	var popwin; 
	var opts =  "toolbar=no,status=no,location=no,menubar=no,resizable=yes"; 
	opts += ",width=" + width + ",height=" + height + ",scrollbars=" + scrollbars; 
	popwin = window.open(url, name, opts); 
	popwin.focus();
	return false; 
}