<!--
function img_act(imgName)
  {
     imgOn = eval(imgName + "on.src");
     document [imgName].src = imgOn;
  }
function img_inact(imgName)
  {
     imgOff = eval(imgName + "off.src");
     document [imgName].src = imgOff;
  }
x1on = new Image;x1on.src = "../images/navigation1a.jpg";
x1off = new Image;x1off.src = "../images/navigation1.jpg";
x2on = new Image;x2on.src = "../images/navigation2a.jpg";
x2off = new Image;x2off.src = "../images/navigation2.jpg";
x3on = new Image;x3on.src = "../images/navigation3a.jpg";
x3off = new Image;x3off.src = "../images/navigation3.jpg";
x4on = new Image;x4on.src = "../images/navigation4a.jpg";
x4off = new Image;x4off.src = "../images/navigation4.jpg";
x5on = new Image;x5on.src = "../images/navigation5a.jpg";
x5off = new Image;x5off.src = "../images/navigation5.jpg";
x6on = new Image;x6on.src = "../images/navigation6a.jpg";
x6off = new Image;x6off.src = "../images/navigation6.jpg";
x7on = new Image;x7on.src = "../images/navigation7a.jpg";
x7off = new Image;x7off.src = "../images/navigation7.jpg";
//-->