var win=null;
function openWin(page,name,w,h){
	l=20;
	t=20;
	features="width=" + w + ",height=" + h + ",top=" + t + ",left=" + l + ",scrollbars=yes,location=no,directories=yes,status=no,menubar=yes,toolbar=no,resizable=no";
	win=window.open(page,name,features);
	win.focus();
}