sections = new Array('comune', 'cittadini', 'imprese');

function showMenu(section) {
	for (var i=0; i<sections.length; i++) {
		if(sections[i] == section) {
			document.getElementById('menu_title_' + sections[i]).style.display="inline";
			document.getElementById('voci_menu_' + sections[i]).style.display="inline";
			document.getElementById('menu_link_' + sections[i]).style.display="none";
		} else {	
			document.getElementById('menu_title_' + sections[i]).style.display="none";
			document.getElementById('voci_menu_' + sections[i]).style.display="none";
			document.getElementById('menu_link_' + sections[i]).style.display="inline";
		}
	}
}