function hover(obj){
  if(document.all){
    UL = obj.getElementsByTagName('ul');
    if(UL.length > 0){
      sousMenu = UL[0].style;
      if(sousMenu.display == 'none' || sousMenu.display == ''){
        sousMenu.display = 'block';
      }else{
        sousMenu.display = 'none';
      }
    }
  }
}

function setHover(id){
  LI = document.getElementById(id).getElementsByTagName('li');
  nLI = LI.length;
  for(i=0; i < nLI; i++){
    LI[i].onmouseover = function(){
      hover(this);
    }
    LI[i].onmouseout = function(){
      hover(this);
    }
  }
}

var folds = accordion.getElementsByTagName("li");
for (var i = 0; i < folds.length; i++)
{
  var foldLinks = folds[i].getElementsByTagName("a");
  var foldTitleLink = foldLinks[0];
  addEvent(foldTitleLink, "click",
Accordion.clickListener);
}


clickListener: function(event)
{
  var fold = this.parentNode.parentNode;
  Accordion.expand(fold);
  preventDefault(event);
}