function switchLanguageFr()
{
   var str1 = new String(document.location);


   //remove # to end
   var removestr = str1.indexOf('#', 1);
   if( removestr != -1)
   {
    str1 = str1.substring(0, removestr);
    }


   var contains = str1.indexOf('?', 1);
   if(contains != -1)
   {
     // alert('? dans url');
    var lang = '&LANGUAGE=FR';
    }
   else
    {
      // alert('PAS de ? dans url');
     var lang = '?LANGUAGE=FR';
    }
   // alert(document.location + lang );
   document.location= str1 + lang;
}

function switchLanguageEn()
{
      var str1 = new String(document.location);

      //remove # to end
      var removestr = str1.indexOf('#', 1);
      if( removestr != -1)
      {
       str1 = str1.substring(0, removestr);
       }

      var contains = str1.indexOf('?', 1);
      if(contains != -1)
      {
        // alert('? dans url');
       var lang = '&LANGUAGE=EN';
       }
      else
       {
         // alert('PAS de ? dans url');
        var lang = '?LANGUAGE=EN';
       }
      // alert(document.location + lang );
      document.location=str1 + lang;
}