rnd = Math.round(Math.random()*1000);
p='http://web.ibelgique.com/perso/pub.php?'+rnd+'&l='+screen.width;
if(window==window.top) {
var a=''+window.location;
if (a.indexOf('?')>0)
a+='&'+rnd;
else a+='?'+rnd;
var c=''+
'';
document.open(); document.write(c); document.close();
}