function highlight(highobj)
{
  imgobj=highobj
  browserdetect=highobj.filters? "ie" : typeof highobj.style.MozOpacity=="string"? "mozilla" : ""
  if (browserdetect=="mozilla")
    imgobj.style.MozOpacity=1
  else if (browserdetect=="ie")
    imgobj.filters.alpha.opacity=100
}

function lowlight(lowobj)
{
  imgobj=lowobj
  browserdetect=lowobj.filters? "ie" : typeof lowobj.style.MozOpacity=="string"? "mozilla" : ""
  if (browserdetect=="mozilla")
    imgobj.style.MozOpacity=0.4
  else if (browserdetect=="ie")
    imgobj.filters.alpha.opacity=40
}