Lorsque je reçois des mails publicitaires, je trouven souvent le code js suivant entre les balises <head>...quelqu'un peut-il m'aider à comprendre à quoi il sert?
<head><script language="JavaScript">
IsNotBulkEnabled=IStatus=IsPrintEnabled=NewMenu=Junk=PutInFldr=Attach=Tools="";
_UM="curmbox=00000000%2d0000%2d0000%2d0000%2d000000000001&a=8e8f0a41a605da824244a2ef35a6bc0e5b742779390b1b00f094a40a83f666a4"
_MDL="@hotmail.com|@msn.com|@hotmail.fr|@hotmail.it|@hotmail.de|@hotmail.co.jp|@hotmail.co.uk|@hotmail.com.ar|@hotmail.co.th|@hotmail.com.tr"
function IfUtf8(C)
{ var N = (document.charset=="utf-8")?1:0
if (N == C) return true
var u = k = document.location.href
if (u.indexOf("utf8=")<=0)
u += "&utf8=9";
u = u.replace(/(utf8=)\d/ig,"$1"+(N?"1":"0"))
if (u.indexOf("a=")<=0)
u += "&a=8e8f0a41a605da824244a2ef35a6bc0e5b742779390b1b00f094a40a83f666a4";
if (u != k)
{ window.location.replace(u)
var w = window.open("","","height=1,width=1,menubar=no,resizable=no,titlebar=no,scrollbars=no,status=no,toolbar=no,menubar=no,location=no");
if (w)
w.close()
}
}
IfUtf8(0)
</script><title>MSN Hotmail - Message</title><link rel="stylesheet" href="/cgi-bin/dasp/FR/hotmail___1000000002.css"><script language=JavaScript src="/cgi-bin/dasp/FR/helppane___9080000001F.js"></script><script language=JavaScript src="/cgi-bin/dasp/FR/hotmail___1000004504.js"></script><script language=javascript>
function _L(){
if (MsngrCreateObj())
{MIR()}
}
function _NM(){
}
</script></head>
