if (document.getElementById){
document.write('<style type="text/css">\n')
document.write('.menu_int{display: none;}\n')
document.write('</style>\n')
}



function SwitchMenu(obj, divName){
	if(document.getElementById){
    //el = oggetto span
	var el = document.getElementById(obj);
	//ar = conta quanti "span" ci sono all'interno del div "elenco_rubriche"
	var ar = document.getElementById(divName).getElementsByTagName("span");

		if(el.style.display != "block"){
			
			for (var i=0; i<ar.length; i++){
				if (ar[i].className=="menu_int")
					ar[i].style.display = "none";
			}
			
			el.style.display = "block";
			
		}else{
			el.style.display = "none";
		}
	}
}