var cssmenuids=["cssmenu1"] //Enter id(s) of CSS Horizontal UL menus, separated by commas
var csssubmenuoffset=-1 //Offset of submenus from main menu. Default is 0 pixels.

function createcssmenu2(){
for (var i=0; i<cssmenuids.length; i++){
  var ultags=document.getElementById(cssmenuids[i]).getElementsByTagName("ul")
    for (var t=0; t<ultags.length; t++){
			ultags[t].style.top=ultags[t].parentNode.offsetHeight+csssubmenuoffset+"px"
    	var spanref=document.createElement("span")
			spanref.className="arrowdiv"
			spanref.innerHTML=""
			ultags[t].parentNode.getElementsByTagName("a")[0].appendChild(spanref)
    	ultags[t].parentNode.onmouseover=function(){
					this.style.zIndex=100
    	this.getElementsByTagName("ul")[0].style.visibility="visible"
					this.getElementsByTagName("ul")[0].style.zIndex=0
    	}
    	ultags[t].parentNode.onmouseout=function(){
					this.style.zIndex=0
					this.getElementsByTagName("ul")[0].style.visibility="hidden"
					this.getElementsByTagName("ul")[0].style.zIndex=100
    	}
    }
  }
}

if (window.addEventListener)
window.addEventListener("load", createcssmenu2, false)
else if (window.attachEvent)
window.attachEvent("onload", createcssmenu2)


function refresh_novita(){
	var randomnumber=Math.floor(Math.random()*5);
	document.getElementById("r"+randomnumber).style.display="block";
}
function refresh_novita2(){
	var randomnumber=Math.floor(Math.random()*5);
	document.getElementById("n"+randomnumber).style.display="block";
	var randomnumber2=Math.floor(Math.random()*5)+5;
	document.getElementById("n"+randomnumber2).style.display="block";

}

function menuDispl(obj){
	document.getElementById("novita_display").style.display="none";
	document.getElementById("ecdl_display").style.display="none";
	document.getElementById("sistemi_display").style.display="none";
	document.getElementById("sistemiautomaz_display").style.display="none";
	document.getElementById("informatica_display").style.display="none";
	document.getElementById("elettro_display").style.display="none";
	document.getElementById("tecnica_display").style.display="none";
	document.getElementById(obj.id + "isplay").style.display="block";
}

function switchArrow(obj){
	if (obj.src.indexOf("images/imagestemplate/ar_down.gif")!=-1) obj.src="images/imagestemplate/ar_up.gif";
	else obj.src="images/imagestemplate/ar_down.gif"
}