<!-- Hide from older browsers

if (document.images) {
    var first_off = new Image();
  first_off.src = "buttons/home_but.gif";
  var first_on = new Image();
  first_on.src = "buttons/homea_but.gif";

  var second_off = new Image();
  second_off.src = "buttons/myz28_but.gif";
  var second_on = new Image();
  second_on.src = "buttons/myz28a_but.gif";

  var third_off = new Image();
  third_off.src = "buttons/new_but.gif";
  var third_on = new Image();
  third_on.src = "buttons/newa_but.gif";

  var fourth_off = new Image();
  fourth_off.src = "buttons/cool_but.gif";
  var fourth_on = new Image();
  fourth_on.src = "buttons/coola_but.gif";

  var fifth_off = new Image();
  fifth_off.src = "buttons/personal_but.gif";
  var fifth_on = new Image();
  fifth_on.src = "buttons/personala_but.gif";

  var sixth_off = new Image();
  sixth_off.src = "buttons/links_but.gif";
  var sixth_on = new Image();
  sixth_on.src = "buttons/linksa_but.gif";

  var seventh_off = new Image();
  seventh_off.src = "buttons/feedback_but.gif";
  var seventh_on = new Image();
  seventh_on.src = "buttons/feedbacka_but.gif";

  var eighth_off = new Image();
  eighth_off.src = "buttons/downloads_but.gif";
  var eighth_on = new Image();
  eighth_on.src = "buttons/downloadsa_but.gif";



}

function activate(imgName) {
  if (document.images) {
    if ( eval(imgName + "_on.complete") ) {
      document.images[imgName].src = eval(imgName + "_on.src");
    }
  }
}

function deactivate(imgName) {
  if (document.images) {
    if ( eval(imgName + "_off.complete") ) {
      document.images[imgName].src = eval(imgName + "_off.src");
    }
  }
}

// End script hiding -->