function toggleDisplay(el) {
	var ele = document.getElementById(el);
	if (ele.style.display == "none" || ele.style.display == "") {
		ele.style.display = "inline";
	}else {
		ele.style.display = "none";
	}	
	/* action spécifique à la section de la bar d"outils (envoyé, partagé) (le grisé) */
	if(el == "panelSend" || el == "panelShare") {
		panel = ele.parentNode;
		if(!panel.className) {
			panel.className = "active";
		}else {
			panel.className = "";
		}
	}
}