function effacerIntranet(champ) {
	if (champ == "username") {
		if (document.fIntranet.login_Name.value == " Nombre del usuario") {
			document.fIntranet.login_Name.value = "";
		}
	} else {
		if (document.fIntranet.password_Name.value == " Mot de passe") {
			document.fIntranet.password_Name.value = "";
		}
	}
}