function masqueSaisieDate(obj) {
	var ch;
	var ch_gauche, ch_droite;

	ch = obj.value;
	ch.toString();

	if ( ( (ch.slice(2,3)) != ("/") ) && (ch.length >= 3) ){
	ch_gauche = ch.slice(0,2);
	ch_droite = ch.slice(2);
	obj.value = ch_gauche + "/" + ch_droite;
	}
	if ( ( (ch.slice(5,6)) != ("/") ) && (ch.length >= 6) ){
	ch_gauche = ch.slice(0,5);
	ch_droite = ch.slice(5);
	obj.value = ch_gauche + "/" + ch_droite;
	}
	return true;
}