function get_elt(id)
{ if(document.layers) return document.layers[id];
  if(document.all) return document.all[id];
  if(document.getElementById) return document.getElementById(id);
  if(document[id]) return document[id];
  return false;
}

function clear_search_form()
{ var txt_input = get_elt("q");
  if(txt_input)
  { if(txt_input.value == "Rechercher")
    { txt_input.value = "";
	}
  }
}