<!-- funzione scambia classe menu --> 

/*config*/
menuClassName = "menuNavigazione";
/* Script */
function closeSub(menu) {
	for (var i = 0; i < menu.childNodes.length; i++)
		if (menu.childNodes[i].nodeName.toLowerCase()=="li") {
			li = menu.childNodes[i];
			li.onmouseover = li.onactivate = li.onfocus = function() { if(this.subMenu) 
					this.subMenu.className = this.subMenu.className.replace(/subMenu-off/g, "subMenu-on") };
			li.onmouseout = li.ondeactivate = li.onblur = function() { if(this.subMenu) closeSub(this.subMenu) };
			for (j=0; j<li.childNodes.length; j++)
				if (li.childNodes[j].nodeName.toLowerCase()=="ul" || li.childNodes[j].nodeName.toLowerCase()=="ol") 
				closeSub(li.subMenu = li.childNodes[j]);
		}
	menu.className = menu.className.replace(/\s?subMenu-on/g,"")+" subMenu-off";
	}
	
/*On-Load*/
window.onload = function(e) {
	if(tags_ = document.getElementsByTagName('ul'))
		for(i=0; i<tags_.length; i++)
			if (tags_[i].className==menuClassName) closeSub(tags_[i]);
	if(tags_ = document.getElementsByTagName('ol'))
		for(i=0; i<tags_.length; i++)
			if (tags_[i].className==menuClassName) closeSub(tags_[i]);
}


<!-- OROLOGIO -->

function orologio(){ 
oggi=new Date() 
document.getElementById('oraData').innerHTML=lz2(oggi.getDate())+"."+
   lz2(oggi.getMonth()+1)+"."+oggi.getFullYear()+" - "+
   lz2(oggi.getHours())+":"+lz2(oggi.getMinutes())+":"+lz2(oggi.getSeconds()) 
}

function lz2(numerello) {
  return String(100+numerello).substr(1);
}
setInterval('orologio()', 1000 );

<!-- fine script OROLOGIO -->