function setmmcurrentsub(aLinkid)
{
  setmmcurrentbase(aLinkid, true);
}

function setmmcurrent(aLinkid)
{
  setmmcurrentbase(aLinkid, false);
}

function setmmcurrentbase(aLinkid, aSub)
{
  if (aSub) {
    ldocument = parent.document;
  } else {
    ldocument = document;
  }
  
  var lmm = ldocument.getElementById('mm_news');
  lmm.setAttribute('class', '');
  var lmm = ldocument.getElementById('mm_personal');
  lmm.setAttribute('class', '');
  var lmm = ldocument.getElementById('mm_service');
  lmm.setAttribute('class', '');
  var lmm = ldocument.getElementById('mm_products');
  lmm.setAttribute('class', '');
  var lmm = ldocument.getElementById('mm_contact');
  lmm.setAttribute('class', '');
  
  var lmm = ldocument.getElementById(aLinkid);
  lmm.setAttribute('class', 'current');
}