<!--
/* check first */
if (document.images)
{
/* preload */
jnav011 = new Image();
jnav011.src = "graphics/buttons/jnav011.gif";
jnav012 = new Image();
jnav012.src = "graphics/buttons/jnav012.gif";
jnav021 = new Image();
jnav021.src = "graphics/buttons/jnav021.gif";
jnav022 = new Image();
jnav022.src = "graphics/buttons/jnav022.gif";
jnav031 = new Image();
jnav031.src = "graphics/buttons/jnav031.gif";
jnav032 = new Image();
jnav032.src = "graphics/buttons/jnav032.gif";
jnav041 = new Image();
jnav041.src = "graphics/buttons/jnav041.gif";
jnav042 = new Image();
jnav042.src = "graphics/buttons/jnav042.gif";
jnav051 = new Image();
jnav051.src = "graphics/buttons/jnav051.gif";
jnav052 = new Image();
jnav052.src = "graphics/buttons/jnav052.gif";
jnav061 = new Image();
jnav061.src = "graphics/buttons/jnav061.gif";
jnav062 = new Image();
jnav062.src = "graphics/buttons/jnav062.gif";
jnav071 = new Image();
jnav071.src = "graphics/buttons/jnav071.gif";
jnav072 = new Image();
jnav072.src = "graphics/buttons/jnav072.gif";
jnav081 = new Image();
jnav081.src = "graphics/buttons/jnav081.gif";
jnav082 = new Image();
jnav082.src = "graphics/buttons/jnav082.gif";
jnav711 = new Image();
jnav711.src = "graphics/buttons/jnav711.gif";
jnav712 = new Image();
jnav712.src = "graphics/buttons/jnav712.gif";
jnav721 = new Image();
jnav721.src = "graphics/buttons/jnav721.gif";
jnav722 = new Image();
jnav722.src = "graphics/buttons/jnav722.gif";
jnav731 = new Image();
jnav731.src = "graphics/buttons/jnav731.gif";
jnav732 = new Image();
jnav732.src = "graphics/buttons/jnav732.gif";

}

function On(imageName)
{
 if (document.images)
  {
   document[imageName].src = eval(imageName+"2.src");
  }
}
function Off(imageName)
{
 if (document.images)
  {
   document[imageName].src = eval(imageName+"1.src");
  }
}
// -->