function high(which2){
theobject=which2
highlighting=setInterval("highlightit(theobject)",5)
}

function low(which2){
theobject=which2
lowlighting=setInterval("lowlightit(theobject)",5)
}

function highlightit(cur2){
if (cur2.filters.alpha.opacity<100)
cur2.filters.alpha.opacity+=5
else if (window.highlighting)
clearInterval(highlighting)
}

function lowlightit(cur2){
if (cur2.filters.alpha.opacity>=50)
cur2.filters.alpha.opacity-=5
else if (window.lowlighting)
clearInterval(lowlighting)
}