<!--
  browsok = (((navigator.appName == "Netscape")
  && (parseInt(navigator.appVersion) >= 3))
  || ((navigator.appName == "Microsoft Internet Explorer")
  && (parseInt(navigator.appVersion)>=3)));
  if(browsok){
    // MouseOn   
    // Note: the WWW is for the WIDTH, HHH is for the HEIGHT
 
       chapter011 = new Image(100, 86);
       chapter011.src = "images/chapter_01_on.jpg";
       chapter021 = new Image(100, 86);
       chapter021.src = "images/chapter_02_on.jpg";
       chapter031 = new Image(100, 86);
       chapter031.src = "images/chapter_03_on.jpg";
       chapter041 = new Image(100, 86);
       chapter041.src = "images/chapter_04_on.jpg";
       chapter051 = new Image(100, 86);
       chapter051.src = "images/chapter_05_on.jpg";
       chapter061 = new Image(100, 86);
       chapter061.src = "images/chapter_06_on.jpg";



    // MouseOff

       chapter010 = new Image(100, 86);
       chapter010.src = "images/chapter_01_off.jpg";
       chapter020 = new Image(100, 86);
       chapter020.src = "images/chapter_02_off.jpg";
       chapter030 = new Image(100, 86);
       chapter030.src = "images/chapter_03_off.jpg";
       chapter040 = new Image(100, 86);
       chapter040.src = "images/chapter_04_off.jpg";
       chapter050 = new Image(100, 86);
       chapter050.src = "images/chapter_05_off.jpg";
       chapter060 = new Image(100, 86);
       chapter060.src = "images/chapter_06_off.jpg";


      
  }
  function BNB_mouseon(n){
       if(browsok){
            imageON = eval(n + "1.src");
            document [n].src = imageON;
            }
  }
  function BNB_mouseoff(n){
       if(browsok){
  imageOFF = eval(n + "0.src");
       document [n].src = imageOFF;
            }
  }
  // -->