[Sommaire] [Imprimer]

   1  /* javascript function to update form field
   2   *  field        form field that is being counted
   3   *  count        form field that will show characters left
   4   *  maxchars     maximum number of characters
   5  */
   6  function characterCount(field, count, maxchars) {
   7      if (field.value.length > maxchars) {
   8          field.value = field.value.substring(0, maxchars);
   9          alert("Error:\n\n- You are only allowed to enter up to "+maxchars+" characters.");
  10      } else {
  11          count.value = maxchars - field.value.length;
  12      }
  13  }