function menuOpen(parent)
{
   if(parent.getElementsByTagName("ul").length <= 0)
      return;
      
   var node = parent.getElementsByTagName("ul")[0].firstChild;

   while(node != null)
   {
      if(node.nodeType == 1)
         node.style.display = "block";
      node = node.nextSibling;
   }
}
      
function menuClose(parent)
{
   if(parent.getElementsByTagName("ul").length <= 0)
      return;
     
   var node = parent.getElementsByTagName("ul")[0].firstChild;

   while(node != null)
   {
      if(node.nodeType == 1)
         node.style.display = "none";
      node = node.nextSibling;
   }
}
      
function menuLink(node)
{
   window.location.href = node.getElementsByTagName("a")[0].href;
}