<!--
function turnOff(ImageName)
{
    if (document.images != null)
    {
       document[ImageName].src = eval(ImageName + "off.src");
    }
}

function turnOver(ImageName)
{
   if (document.images != null) 
   {
      document[ImageName].src = eval(ImageName + "over.src");
   }
}
//-->