function webtech_cadre (documents) {
	var id_image;
	var id_src;
	var id_libelle;
	id_image = document.getElementById("photos");
	id_libelle = document.getElementById("libelle");
	id_src = documents.src.replace("100", "290");
	id_src = id_src.replace("cadre_vignette.php", "cadre_photo.php");
	id_image.src = id_src;
	id_libelle.innerHTML = documents.alt;
}