function high(which2){
  theobject=which2
  highlighting=setInterval("highlightit(theobject)",50)
}
function low(which2){
  clearInterval(highlighting)
  if (which2.style.MozOpacity)
   which2.style.MozOpacity=0.3
  else if (which2.filters)
   which2.filters.alpha.opacity=50
}

function highlightit(cur2){
  if (cur2.style.MozOpacity<1)
   cur2.style.MozOpacity=parseFloat(cur2.style.MozOpacity)+0.1
  else if (cur2.filters&&cur2.filters.alpha.opacity<100)
   cur2.filters.alpha.opacity+=10
  else if (window.highlighting)
   clearInterval(highlighting)
}