//document.write("<link rel=\"stylesheet\" type=\"text/css\" href=\"/css/styleup.css\"");
function navImageOn(imgPrefix)
{
  if (document.layers)
    eval("document.images[\""+imgPrefix+"Img\"].src="+imgPrefix+"OnImage.src");
  else if (document.getElementById)
    eval("document.getElementById(\""+imgPrefix+"Img\").src="+imgPrefix+"OnImage.src");
}
function navImageOff(imgPrefix)
{
  if (document.layers)
    eval("document.images[\""+imgPrefix+"Img\"].src="+imgPrefix+"OffImage.src");
  else if (document.getElementById)
    eval("document.getElementById(\""+imgPrefix+"Img\").src="+imgPrefix+"OffImage.src");
}