// Fonction liée au cryptage de l'adresse email dans le source javascript

function em(h,subject,id)

{

  var result = "";

  var str = "";

  var key = "cholley";

  for (var i= (h.substr(0, 2)=="0x")?2:0; i<h.length; i+=2) {str += String.fromCharCode (parseInt (h.substr (i, 2), 16));}

  for(i=1; i<=str.length; i++)

  {

     c = str.substr(i-1,1);
alert(c);
     keychar = key.substr((i % key.length)-1,1);

     c = String.fromCharCode(c.charCodeAt(0)-keychar.charCodeAt(0));

     result=result+c;

   }

   if ( subject=="" ) {document.getElementById(id).href="mailto:"+result;}

   else {document.getElementById(id).href="mailto:"+result+"?subject="+subject;}

   return result;

}