/*******************************************************************************
*                                                                              *
*                               _                                              *
*                              (_)__ _______                                   *
*                             / (_-</ __(_-<                                   *
*                          __/ /___/\__/___/                                   *
*                         |___/                                                *
*                                                                              *
*                                                                              *
********************************************************************************
*                                                                              *
* Titre          : Effacer un champ de formulaire en cliquant dedans           *
*                                                                              *
* URL            : http://www.jscs.org/scripts7-JS.htm                         *
* Auteur         : Mathieu                                                     *
* Date édition   : 17 Oct 2004                                                 *
*                                                                              *
*******************************************************************************/

<form>
.....
<input type="text" name="email" value="cliquez moi!!" onFocus="this.value=''">
<input type="submit" value="ok">
</form>