// JavaScript Document

function changeSty(classpassed){
	element=event.srcElement;
	//document.getElementById('buttonIMG').className=classpassed;
	element.className=classpassed;
}

function changePrevisioni(newlink){
    var objFrame=document.getElementById("previsioni3gg");
    objFrame.src=newlink;
}

startList = function() {
if (document.all&&document.getElementById) {
navRoot = document.getElementById("nav");
for (i=0; i<navRoot.childNodes.length; i++) {
node = navRoot.childNodes[i];
if (node.nodeName=="LI") {
node.onmouseover=function() {
this.className+=" over";
  }
  node.onmouseout=function() {
  this.className=this.className.replace(" over", "");
   }
   }
  }
 }
}
//window.onload=startList;