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';
       obj.style.backgroundColor = '#CCCCCC';
      }else{
      	obj.style.backgroundColor = '#FAFAFA';
        sousMenu.display = 'none';
      }
    }
  }
}

function setHover(id){
	/*menu = document.getElementById(id);*/
	/*my_menu = document.getElementById(id);*/
	/*menu.style.top++;*/
  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);
    }
  }
}

function getElementbyClass(classname){
var inc=0
var alltags=document.all? document.all : document.getElementsByTagName("*")
for (i=0; i<alltags.length; i++){
if (alltags[i].className==classname)
customcollection[inc++]=alltags[i]
}}

function scroll_menu(id)
{
	my_menu = document.getElementById("menu");
	my_menu.style.top = document.body.scrollTop+"px";
}

function init_scroll(id)
{
	/*menu = document.getElementById("menu");*/
	/*scroll_menu(id);*/
	setInterval("scroll_menu("+id+")", 2);
}