//  DocOzone's Javascript code, copyright 1998
//  Feel free to borrow and modify this code,
//  but be sure leave this credit in the source!
//  Your pal,   -Dr. Thaddeus Ozone-
//        http://www.visi.com/~drozone/




window.onerror = null;
var netscape = 0;
var goodIE = 0;
browserName = navigator.appName.substring(0,8);
browserVer = parseFloat(navigator.appVersion);
if (browserName == "Netscape" && browserVer >= 3)
    { netscape = 1; }
if (browserName == "Microsof" && browserVer >= 4)
    { goodIE = 1; }
if (netscape || goodIE)
  {


    names = new Array(  "who" , "how" , "why" , "home" , "other");
    
    buttons = new Array(10);
    for (m=0; m<=9; m++)
      { buttons[m] = new Image(); }
    buttons[0].src = "images/nav-r3c4.gif";
    buttons[1].src = "images/nav-r4c5.gif";
    buttons[2].src = "images/nav-r3c6.gif";
    buttons[3].src = "images/nav-r1c3.gif";
    buttons[4].src = "images/nav-r4c7.gif";    
    buttons[5].src = "images/nav-r3c4-b.gif";
    buttons[6].src = "images/nav-r4c5-b.gif";
    buttons[7].src = "images/nav-r3c6-b.gif";
    buttons[8].src = "images/nav-r1c3-b.gif";
    buttons[9].src = "images/nav-r4c7-b.gif";
    
    botnames = new Array(  "home-b" , "who-b" , "why-b" , "how-b" , "other-b" ,
                           "email-b" , "qr-home" , "lr-home" , "qr-prev" , "qr-next" ,
                           "lr-prev" , "lr-next");

    botbuttons = new Array(24);
    for (m=0; m<=23; m++)
      { botbuttons[m] = new Image(); }
    botbuttons[0].src = "images/nav-b-r1c2.gif";
    botbuttons[1].src = "images/nav-b-r1c3.gif";
    botbuttons[2].src = "images/nav-b-r1c4.gif";
    botbuttons[3].src = "images/nav-b-r1c5.gif";
    botbuttons[4].src = "images/nav-b-r1c6.gif";    
    botbuttons[5].src = "images/nav-b-r1c7.gif";  
    botbuttons[6].src = "images/nav-b-r3c2.gif";
    botbuttons[7].src = "images/nav-b-r3c5.gif";
    botbuttons[8].src = "images/nav-b-r4c2.gif";
    botbuttons[9].src = "images/nav-b-r4c4.gif";
    botbuttons[10].src = "images/nav-b-r4c5.gif";    
    botbuttons[11].src = "images/nav-b-r4c7.gif";
    botbuttons[12].src = "images/nav-b-r1c2-b.gif";
    botbuttons[13].src = "images/nav-b-r1c3-b.gif";
    botbuttons[14].src = "images/nav-b-r1c4-b.gif";
    botbuttons[15].src = "images/nav-b-r1c5-b.gif";
    botbuttons[16].src = "images/nav-b-r1c6-b.gif";    
    botbuttons[17].src = "images/nav-b-r1c7-b.gif";  
    botbuttons[18].src = "images/nav-b-r3c2-b.gif";
    botbuttons[19].src = "images/nav-b-r3c5-b.gif";
    botbuttons[20].src = "images/nav-b-r4c2-b.gif";
    botbuttons[21].src = "images/nav-b-r4c4-b.gif";
    botbuttons[22].src = "images/nav-b-r4c5-b.gif";    
    botbuttons[23].src = "images/nav-b-r4c7-b.gif";

    
    displays = new Array(7);
    for (m=0; m<=6; m++)
      { displays[m] = new Image(); }
    displays[0].src = "images/nav-r2c2-who.gif";
    displays[1].src = "images/nav-r2c2-how.gif";
    displays[2].src = "images/nav-r2c2-why.gif";
    displays[3].src = "images/nav-r2c2-home.gif";
    displays[4].src = "images/nav-r2c2-other1.gif";
    displays[5].src = "images/nav-r2c2-other2.gif";
    displays[6].src = "images/nav-r2c2.gif";
      
  }
    
  function swapButton(des,num)
    {
      if (netscape || goodIE)
        {
          document.images[names[des]].src = buttons[num].src;
        }
    }
      
  function swapBottom(des,num)
    {
      if (netscape || goodIE)
        {
          document.images[botnames[des]].src = botbuttons[num].src;
        }
    }
      
  function swapDisplay(num)
    {
      if (netscape || goodIE)
        {
          document.screen.src = displays[num].src;
        }
    }
      
  function swapDisplayOther()
    {
      if (netscape || goodIE)
        {
          setTimeout('swapDisplay(4)', 0);
          setTimeout('swapDisplay(5)', 250);
        }
    }