if (document.images)
  {
    image1on = new Image();
    image2on = new Image();
    image3on = new Image();
    image4on = new Image();
    image5on = new Image();
    image6on = new Image();
    image7on = new Image();

    image1off = new Image();
    image2off = new Image();
    image3off = new Image();
    image4off = new Image();
    image5off = new Image();
    image6off = new Image();
    image7off = new Image();

    image1on.src = "/2006/images/100mostmenu_01on.gif";
    image2on.src = "/2006/images/100mostmenu_02on.gif";
    image3on.src = "/2006/images/100mostmenu_03on.gif";
    image4on.src = "/2006/images/100mostmenu_04on.gif";
    image5on.src = "/2006/images/100mostmenu_05on.gif";

    image1off.src = "/2006/images/100mostmenu_01.gif";
    image2off.src = "/2006/images/100mostmenu_02.gif";
    image3off.src = "/2006/images/100mostmenu_03.gif";
    image4off.src = "/2006/images/100mostmenu_04.gif";
    image5off.src = "/2006/images/100mostmenu_05.gif";
  }

function turnOn(imageName)
{
  if (document.images)
  {
    document[imageName].src = eval(imageName + "on.src");
  }
}

function turnOff(imageName)
{
  if (document.images)
  {
    document[imageName].src = eval(imageName + "off.src");
  }
 
}