function showMenu(id){

    document.getElementById("menu_la_commune").style.display = "none";
    document.getElementById("menu_vie_municipal").style.display = "none";
    document.getElementById("menu_vie_associative").style.display = "none";
	document.getElementById("menu_vie_administrative").style.display = "none";
    
        document.getElementById(id).style.display="block";
    
}