function popup1(url,barra,scroll,w,h) 
	{
	vent=window.open(url,'','screenx=0,screeny=0,toolbar=' + barra + ',width=' + w + ',height=' + h +',directories=no,status=no,scrollbars=' + scroll + ',resize=yes,menubar=no,top=250');
	vent.focus();
	}