if (document.images) {
  var assessmentsn = new Image();
  assessmentsn.src = "/images/buttons/assessmentsn.gif";
  var assessmentsa = new Image();
  assessmentsa.src = "/images/buttons/assessmentsa.gif";

  var managen = new Image();
  managen.src = "/images/buttons/managen.gif";
  var managea = new Image();
  managea.src = "/images/buttons/managea.gif";

  var counsn = new Image();
  counsn.src = "/images/buttons/counsn.gif";
  var counsa = new Image();
  counsa.src = "/images/buttons/counsa.gif";

  var adminn = new Image();
  adminn.src = "/images/buttons/adminn.gif";
  var admina = new Image();
  admina.src = "/images/buttons/admina.gif";

  var solutionn = new Image();
  solutionn.src = "/images/buttons/solutionn.gif";
  var solutiona = new Image();
  solutiona.src = "/images/buttons/solutiona.gif";

  var certn = new Image();
  certn.src = "/images/tabs/certn.gif";
  var certa = new Image();
  certa.src = "/images/tabs/certa.gif";

  var plann = new Image();
  plann.src = "/images/tabs/plann.gif";
  var plana = new Image();
  plana.src = "/images/tabs/plana.gif";
  
  var publicn = new Image();
  publicn.src = "/images/tabs/publicn.gif";
  var publica = new Image();
  publica.src = "/images/tabs/publica.gif";

  var servicen = new Image();
  servicen.src = "/images/tabs/servicen.gif";
  var servicea = new Image();
  servicea.src = "/images/tabs/servicea.gif";

  var advisorsn = new Image();
  advisorsn.src = "/images/tabs/advisorsn.gif";
  var advisorsa = new Image();
  advisorsa.src = "/images/tabs/advisorsa.gif";

  var highern = new Image();
  highern.src = "/images/tabs/highern.gif";
  var highera = new Image();
  highera.src = "/images/tabs/highera.gif";

  var contactn = new Image();
  contactn.src = "/images/buttons/contactn.gif";
  var contacta = new Image();
  contacta.src = "/images/buttons/contacta.gif";

  var loginn = new Image();
  loginn.src = "/images/buttons/loginn.gif";
  var logina = new Image();
  logina.src = "/images/buttons/logina.gif";

  var pressn = new Image();
  pressn.src = "/images/buttons/pressn.gif";
  var pressa = new Image();
  pressa.src = "/images/buttons/pressa.gif";

  var aboutn = new Image();
  aboutn.src = "/images/buttons/aboutn.gif";
  var abouta = new Image();
  abouta.src = "/images/buttons/abouta.gif";

  var rccn = new Image();
  rccn.src = "/images/buttons/rccn.gif";
  var rcca = new Image();
  rcca.src = "/images/buttons/rcca.gif";

}

// script source: http://www.webreference.com/js/column1/several.shtml

function act(imgName) {
  if (document.images) 
    document.images[imgName].src = eval(imgName + "a.src");
}

function inact(imgName) {
  if (document.images)
    document.images[imgName].src = eval(imgName + "n.src");
}