var imgs = new Array();
var isAll = document.all != null;

function _elem(id) {
	return (isAll)? document.all[id] : document.getElementById(id);
}

function AddImg(name, url) {
	imgs[name] = new Image();
	imgs[name].src = url;
}

function LoadImg() {
	p = LoadImg.arguments[0];
	for(i = 1; i < LoadImg.arguments.length; i++) {
		n = LoadImg.arguments[i];
		AddImg(n, p + n + ".gif");
		AddImg(n + "-h", p + n + "-h.gif");
	}
}

function SetImg(id, img) {
	i = _elem(id);
	f = (i.filters == null)? null : i.filters["blendTrans"];
	if (i.src != "") {
		if (f != null) f.apply();
		i.src = imgs[img].src;
		if (f != null) f.play();
	} else {
		i.src = imgs[img].src;
	}
}