if (document.images) {
      //var defImg = "home";
       
      // for the inactive images
      var home_off = new Image(); 
      home_off.src = "images/dogtag1_1.gif";
      var hoah_off = new Image();
      hoah_off.src = "images/dogtag2.gif";
      var forum_off = new Image();
      forum_off.src = "images/dogtag1_2.gif";
      var blank_off = new Image();
      blank_off.src = "images/dogtag2.gif";
      var rulez_off = new Image();
      rulez_off.src = "images/dogtag2_3_1.gif";
      var hoah1_off = new Image();
      hoah1_off.src = "images/dogtag2.gif";

      // for the active images
      var home_on = new Image();
      home_on.src = "images/dogtag1_1.gif";
      var hoah_on = new Image();
      hoah_on.src = "images/dogtag2.gif";
      var forum_on = new Image();
      forum_on.src = "images/dogtag1_2_1.gif";
      var blank_on = new Image();
      blank_on.src = "images/dogtag2.gif";
      var rulez_on = new Image();
      rulez_on.src = "images/dogtag2_3_2.gif";
      var hoah1_on = new Image();
      hoah1_on.src = "images/dogtag2.gif";
    }

    function actItem(imgName) {
      act(imgName);
      inact(defImg);
    }
    
    function inactItem(imgName) {
      inact(imgName);
      act(defImg);
    }
    
    function act(imgName) {
      if (document.images)
        document.images[imgName].src = eval(imgName + "_on.src");
        
    }
    
    function inact(imgName) {
      if (document.images)
        document.images[imgName].src = eval(imgName + "_off.src");
    }