var popup="";
function apriPOPUP(url,width,height)
{
if (popup!="")
{
popup.close();
}
var centX=screen.availWidth/2-width/2;
var centY=screen.availHeight/2-height/2;
popup=window.open(url,"popup","resizable=no,scrollbars=no,height="+height+",width="+width+",location=no,menubar=no,screenX=0,screenY=0,status=no,toolbar=no,top="+centY+",left="+centX);
popup.document.write('\n\nImmagine Grande\n\n\n
\n\n\n');
popup.focus();
}