if(document.images) {
	var i = 0;
	while (document.images[i]) {
		isrc = document.images[i].src;
		pz = isrc.lastIndexOf("/") + 1;
		offName = isrc.substring(pz, isrc.length);
		if (offName.indexOf("off__") == 0) {
			imgdir = isrc.substring(0, pz);
			onName = "on__" + offName.substring(5, offName.length);
			iname = document.images[i].name;
			eval("var z" + iname + " = new Image ();");
			eval("z" + iname + ".src = '" + imgdir + onName + "';");
			eval("var y" + iname + " = new Image ();");
			eval("y" + iname + ".src = '" + imgdir + offName + "';");
		}
		i++;
	}
go_no = true;
}