var _expandedDiv = null
var mnuTimeout = null

function expand(s)
{
  if (_expandedDiv)
    collapseDiv(_expandedDiv);
    
  clearTimeout(mnuTimeout);
  
  var td = s;
  var d = td.getElementsByTagName("div").item(0); 
  

  td.className = "menuHover";
  d.className = "menuHover";
  
  _expandedDiv = d;
}

function collapse(s)
{
  var td = s;
  var d = td.getElementsByTagName("div").item(0);

  td.className = "menuNormal";
  d.className = "menuNormal";  
  
}

function collapseDiv(s)
{
  var d = s;  
  
  d.className = "menuNormal";    
}