function hideElementsOfClass(classname) {
	if (document.getElementsByTagName) {
		var r = document.getElementsByTagName('ul');
		var num = r.length;
		for (var i = 0; i < num; ++i) {
			if (classname == r[i].className) {
				r[i].style.visibility = "hidden";
				r[i].style.display = "none";
			}
		}
	}
}

function show(t) {
	hideElementsOfClass("subtabset");

	document.getElementById(t).style.visibility = "visible";
	document.getElementById(t).style.display="inline";
}

fadeObjects = new Object();
fadeTimers = new Object();

function fade(object, destOp, rate, delta){
	if (!document.all){return}
	if (object != "[object]"){
		//in case of string
		setTimeout("fade("+object+","+destOp+","+rate+","+delta+")",0);
		return;
	}

	clearTimeout(fadeTimers[object.sourceIndex]);
	diff = destOp-object.filters.alpha.opacity;

	direction = 1;
	if (object.filters.alpha.opacity > destOp){
		direction = -1;
	}
	delta=Math.min(direction*diff,delta);
	object.filters.alpha.opacity+=direction*delta;
	if (object.filters.alpha.opacity != destOp){
		fadeObjects[object.sourceIndex]=object;
		fadeTimers[object.sourceIndex]=setTimeout("fade(fadeObjects["+object.sourceIndex+"],"+destOp+","+rate+","+delta+")",rate);
	}
}

function onl(t) {
	//fade(image_object,opacity_value,timeout,opacity_delta)
	fade(t,60,0,5)
}

function ofl(t) {
	//fade(image_object,opacity_value,timeout,opacity_delta)
	fade(t,100,3,5)
}