function InitMenu()
{
  if (document.getElementById)
  {
    navRoot = document.getElementById("Menu");
    
    for (i = 0; i < navRoot.childNodes.length; i++)
    {
      node = navRoot.childNodes[i];
      if ((node.nodeName == "DIV") && (node.className == 'MenuMain'))
      {
        node.onmouseover = function() { if (this.className.indexOf ('Hover') == -1) { this.className += 'Hover'; } }
        node.onmouseout  = function() { this.className  = this.className.replace ('Hover', '');  }
      }
    }
  }
  
}