/*function buildMenu(id){
 var list = $(id).select('ul.sub');
 for(var i=0;i<list.length;i++){
  var o = list[i]
  var el = o.parentNode;
  //alert(o.id);
  var myOver= function(){showSubMenu();};
  var myOut = function(){hideSubMenu();}
  if (el.addEventListener) {
    el.addEventListener ("mouseover",showSubMenu,false);
    el.addEventListener ("mouseout",hideSubMenu,false);
  } else if (el.attachEvent) {
    el.attachEvent ("onmouseover",showSubMenu);
    el.attachEvent ("onmouseout",hideSubMenu);
  } else {
    el.onmouseover = showSubMenu;
    el.onmouseout = hideSubMenu;
  } 
 }
}*/
function showSubMenu(e){
 $(e).style.display="";
 return false;
}
function hideSubMenu(e){
 $(e).style.display="none";
 return false;
}