var baseopacity=40

function slowhigh(which2){
        imgobj=which2
                browserdetect=which2.filters? "ie" : typeof which2.style.MozOpacity=="string"? "mozilla" : ""
                instantset(baseopacity)
                highlighting=setInterval("gradualfade(imgobj)",40)
}

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

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){
        if (browserdetect=="mozilla" && cur2.style.MozOpacity<1)
                cur2.style.MozOpacity=Math.min(parseFloat(cur2.style.MozOpacity)+0.1, 0.99)
        else if (browserdetect=="ie" && cur2.filters.alpha.opacity<100)
                cur2.filters.alpha.opacity+=10
        else if (window.highlighting)
                clearInterval(highlighting)
}