img1off = new Image();
 img1off.src = "/img/image1off.gif";
 img1on = new Image();
 img1on.src = "/img/image1on.gif";

 img2off = new Image();
 img2off.src = "/img/image2off.gif";
 img2on = new Image();
 img2on.src = "/img/image2on.gif";

 img3off = new Image();
 img3off.src = "/img/image3off.gif";
 img3on = new Image();
 img3on.src = "/img/image3on.gif";

 img4off = new Image();
 img4off.src = "/img/image4off.gif";
 img4on = new Image();
 img4on.src = "/img/image4on.gif";

 img5off = new Image();
 img5off.src = "/img/image5off.gif";
 img5on = new Image();
 img5on.src = "/img/image5on.gif";
 
  function DoImage(ipic,iname){
  ipic.src = iname.src;
}