if (document.images) {

  image0on = new Image(150,30);
  image0on.src = "home_over.gif";

  image0off = new Image(150,30);
  image0off.src = "home.gif";

  image1on = new Image(150,30);
  image1on.src = "products_over.gif";

  image1off = new Image(150,30);
  image1off.src = "products.gif";
 
  image2on = new Image(150,30);
  image2on.src = "graphic_over.gif";

  image2off = new Image(150,30);
  image2off.src = "graphic.gif";

  image3on = new Image(150,30);
  image3on.src = "equipment_over.gif";

  image3off = new Image(150,30);
  image3off.src = "equipment.gif";

  image4on = new Image(150,30);
  image4on.src = "fineart_over.gif";
  
  image4off = new Image(150,30);
  image4off.src = "fineart.gif";
 
  image5on = new Image(150,30);
  image5on.src = "contact_over.gif";

  image5off = new Image(150,30);
  image5off.src = "contact.gif";
  
  image6on = new Image(150,30);
  image6on.src = "history_over.gif";

  image6off = new Image(150,30);
  image6off.src = "history.gif";
 
  image7on = new Image(150,30);
  image7on.src = "upload_over.gif";

  image7off = new Image(150,30);
  image7off.src = "upload.gif";
   
  image8on = new Image(150,30);
  image8on.src = "quote_over.gif";

  image8off = new Image(150,30);
  image8off.src = "quote.gif";
}

function msover(imgName)
 {
   if (document.images)
    {
      imgOn=eval(imgName + "on.src");
      document[imgName].src= imgOn;
    }
 }

function msoff(imgName)
 {
   if (document.images)
    {
      imgOff=eval(imgName + "off.src");
      document[imgName].src= imgOff;
    }
 }