function PopupCentrata(nomefile,w,h) {
   //var l = Math.floor((screen.width-w)/2);
   //var t = Math.floor((screen.height-h)/2);
   //searchWin  = window.open(nomefile,"","width=" + w + ",height=" + h + ",top=" + t + ",left=" + l + ",scrollbars=yes");
   
   
toptop=(screen.height/2)-(h/2);
leftleft=(screen.width/2)-(w/2);
   
searchWin = window.open(nomefile,'','top='+toptop+',left='+leftleft+',width='+w+',height='+h+',status=no,location=no,toolbar=no,scrollbars=yes');   
}

function Popup(file,w,h,x,y){

//win = window.open(file,'','top=' + y + ',left=' + x + ',height=' + h + ',width=' + w + ',toolbar=no,scrollbars=no,status=yes,location=no,resizable=no');
win = window.open(file,'','top=' + y + ',left=' + x + ',height=' + h + ',width=' + w );

}