var baseopacity=0

function showtext(thetext){
	if (!document.getElementById)
	return
	textcontainerobj=document.getElementById("descriptionTAB")
	browserdetect=textcontainerobj.filters? "ie" : typeof textcontainerobj.style.MozOpacity=="string"? "mozilla" : ""
	instantset(baseopacity)
	document.getElementById("descriptionTAB").innerHTML=thetext
	highlighting=setInterval("gradualfade(textcontainerobj)",50)
}

function hidetext(){
	cleartimer()
	instantset(baseopacity)
}

function instantset(degree){
	if (browserdetect=="mozilla") textcontainerobj.style.MozOpacity=degree/100
	else if (browserdetect=="ie") textcontainerobj.filters.alpha.opacity=degree
	else if (document.getElementById && baseopacity==0) document.getElementById("descriptionTAB").innerHTML=""
}

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)+0.2, 0.99)
	else if (browserdetect=="ie" && cur2.filters.alpha.opacity<100) cur2.filters.alpha.opacity+=20
	else if (window.highlighting) clearInterval(highlighting)
}