
<!--
if (document.images) {
image1on = new Image();
  image1on.src = "images/button1_on.gif";
 image2on = new Image(); 
  image2on.src = "images/button2_on.gif";
image3on = new Image();
  image3on.src = "images/button3_on.gif";
image4aon = new Image();
  image4aon.src = "images/button4a_on.gif";
image4on = new Image();
  image4on.src = "images/button4_on.gif";
image5on = new Image();
  image5on.src = "images/button5_on.gif";
image6on = new Image();
  image6on.src = "images/button6_on.gif";
image7on = new Image();
  image7on.src = "images/button7_on.gif";
image8on = new Image();
  image8on.src = "images/button8_on.gif";
image9on = new Image();
  image9on.src = "images/button9_on.gif";

  image1off = new Image();
  image1off.src = "images/button1_off.gif";
image2off = new Image();
  image2off.src = "images/button2_off.gif";
image3off = new Image();
  image3off.src = "images/button3_off.gif";
image4aoff = new Image(); 
 image4aoff.src = "images/button4a_off.gif";
image4off = new Image(); 
 image4off.src = "images/button4_off.gif";
image5off = new Image();
  image5off.src = "images/button5_off.gif";
image6off = new Image();
  image6off.src = "images/button6_off.gif";
image7off = new Image(); 
 image7off.src = "images/button7_off.gif";
image8off = new Image();
  image8off.src = "images/button8_off.gif";
image9off = new Image();
  image9off.src = "images/button9_off.gif";
}
function changeImages(){
  if (document.images){
    for (var i=0; i<changeImages.arguments.length; i+=2) {
      document[changeImages.arguments[i]].src = eval(changeImages.arguments[i+1] + ".src");
    }
  }
}
// -->