var newwindow

function  popup(url,width,height) 
{
	attributes="toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=yes,width="+width+",height="+height;
	newwindow=window.open(url,"popup",attributes);
	if (window.focus) {newwindow.focus()}
	return false;
}