codice:
function pop(a,w,h)
{
l=(screen.width-w)/2;
t=(screen.height-h)/2;
property="scrollbars=no,status=no,resizable=yes,menubar=no,width="+w+",height="+h+",top="+t+",left="+l;
window.open(a,'',property);
}
a = pippo.html
w = width
h = height