var shut=true; 
function exitchat() 
{
if (shut) { 
popWin = window.open('http://sessogratis.net/exitwindow2.asp?id=12063&L=it', 'exitpop','scrollbars=auto,resizable=no,menubar=no,toolbar=no,location=no,statusbar=no');popWin.focus();
}
}