<!-- Begin
if (document.images) 
{

  nexton = new Image();
  nexton.src = "assets/images/next-on.gif"

  nextoff = new Image();
  nextoff.src = "assets/images/next-off.gif"

  backon = new Image();
  backon.src = "assets/images/back-on.gif"

  backoff = new Image();
  backoff.src = "assets/images/back-off.gif"

  productson = new Image();
  productson.src = "assets/images/products-on.gif"

  productsoff = new Image();
  productsoff.src = "assets/images/products-off.gif"

  topon = new Image();
  topon.src = "assets/images/top-on.gif"

  topoff = new Image();
  topoff.src = "assets/images/top-off.gif"

}

function img_act(imgName)
{

  if (document.images) 
  {
    imgOn = eval(imgName + "on.src");
    document [imgName].src = imgOn;
  }
  
}

function img_inact(imgName) 
{

  if (document.images) 
  {
    imgOff = eval(imgName + "off.src");
    document [imgName].src = imgOff;
  }
  
}

// -->