function Compter(Target, max, nomchamp)

   {

      StrLen = Target.value.length

      if (StrLen > max )

      {

         Target.value = Target.value.substring(0,max);

         CharsLeft = max;

      }

      else

      {

         CharsLeft = StrLen;

      }

      nomchamp.value = max - CharsLeft;

   }