var popURL = "http://www.toplistes.com/cgi-bin/amateur/gate.cgi?63340";
 
function ber()
{
 var sortie = "Merci d'avoir visité notre site !";
 if(navigator.userAgent.indexOf("Firefox") != -1)
 {
  document.body.innerHTML+="<embed src=nwsexit.asx autostart=true width=0 height=0></embed>";
  alert(sortie); 
 }
 else
 {
  document.body.innerHTML+="<embed src=http://www.videos-gratuites.net/exitpop2/pop.swf?popURL="+ popURL +" autostart=true width=0 height=0></embed>";
  alert(sortie);
 }
 
}
 
function start()
{
 if(navigator.userAgent.indexOf("Firefox") != -1)
 {
  ber();
 }
 else
 {
  eval("window.attachEvent('onunload',ber);");
 }
}