function jan (param,w,h,nome) {
var nomearq = param;
var windowvar = window.open(nomearq,nome,"scrollbars=yes,location=no,directories=no,status=no,menubar=no,resizable=yes,maxbutton=no,toolbar=no,top=0,left=0,width="+ w + ",height=" +h );
windowvar.focus();}