/*
function openChildByTag(parent, tagName, offset)
{
  if(typeof offset === 'undefined')
    var offset = 0;
  
  // var child = parent.getElementsByTagName(tagName)[offset];
  // child.style.visibility = 'visible';
}
*/

function transparency(element, percent){
  if(element.tagName == 'DIV')
  {
  element.style.display = 'block';
  }
  
  percent = (percent == 100)? 99.999 : percent;
  
  var filterValue = "filter:Alpha(opacity=" + percent + ")";
  filterValue = "filter:Alpha(opacity=10, finishopacity=0, style=0)";
  filterValue = "progid:DXImageTransform.Microsoft.Alpha(opacity="
  + percent + ");"; 
  var opacityValue = '' + percent / 100;
  var objStyle = element.style;
  
  objStyle.filter="progid:DXImageTransform.Microsoft.Alpha(opacity="
  + percent + ");";
  
  objStyle.KHTMLOpacity = percent/100;
  objStyle.MozOpacity = percent/100;
  objStyle.opacity = percent/100;
  
  if(percent == 0 && element.tagName == 'DIV')
  {
  element.style.display = 'none';
  }
}

var sub_ul = document.getElementById('nav').getElementsByTagName("ul")[0].getElementsByTagName("ul");
for(name in sub_ul)
{
  try
  {
  var sub_li = sub_ul[name].getElementsByTagName("li");
  for(k in sub_li)
  {
    if(typeof sub_li[k].innerHTML !== 'undefined')
      transparency(sub_li[k], 90);
  }
  }
  catch(e) { }
}