var ie4 = (document.all)? true:false


	function ayrinti(obj,resim) {
		if (ie4)
			{
			if (obj.style.visibility == "visible") 
				{
					eval('document.' + resim + '.src="/skin/btn_asagi.gif"');
					obj.style.visibility = "hidden";
					obj.style.position = "absolute";
				}
			else
				{
					eval('document.' + resim + '.src="/skin/btn_yukari.gif"');
					obj.style.visibility = "visible";
					obj.style.position = "static";
				}
			}
	}