function setNavi()
{
  if(parent.navi)
  {
    str = location.href.split('/');
    str = str[str.length - 2];

    if(parent.navi.active != str && (obj = parent.navi.document.getElementById(str)))
    {
      if(parent.navi.active)
       parent.navi.document.getElementById(parent.navi.active).style.background = '#848484';

      obj.style.background = '#D88C61';
      parent.navi.active   = str;
    }
  }
}

window.onload = setNavi;