function BigImage(nome,larga,alta){
var w = larga;
var h = alta;
var l = Math.floor((screen.width-w)/2);
var t = Math.floor((screen.height - h)/2);
finestra=window.open("","BigImg","left="+l+",top="+t+",width="+w+",height="+h+",status=no,menubar=no,resizable=no,scrollbars=no");
with(finestra.document){
open();
writeln("");
writeln("Zoom");
writeln("");
writeln("");
writeln("");
writeln("
");
writeln("");
writeln("");
close();
}
}