var maxOpacity=100;
var minOpacity=30;
function slowhigh(which2){
imgobj=which2
browserdetect=which2.filters? "ie" : typeof which2.style.MozOpacity=="string"? "mozilla" : ""
instantset(maxOpacity);
highlighting=setInterval("gradualfade(imgobj)",30)
}

function slowlow(which2){
cleartimer()
instantset(maxOpacity)
}

function instantset(degree){
if (browserdetect=="mozilla")
imgobj.style.MozOpacity=degree/100
else if (browserdetect=="ie")
imgobj.filters.alpha.opacity=degree
}

function cleartimer(){
if (window.highlighting) clearInterval(highlighting)
}

function gradualfade(cur2){
var mozMinOpacity = minOpacity/100;
if (browserdetect=="mozilla" && cur2.style.MozOpacity>mozMinOpacity)
cur2.style.MozOpacity=Math.max(parseFloat(cur2.style.MozOpacity)-0.1, mozMinOpacity)
else if (browserdetect=="ie" && cur2.filters.alpha.opacity>minOpacity)
cur2.filters.alpha.opacity-=10
else if (window.highlighting)
clearInterval(highlighting)
}