if (navigator.userAgent.indexOf('Mac') < 0) {
	if(document.getElementById && document.all){
		var obj = document.getElementById("navi");
		obj.innerHTML = obj.innerHTML.replace(/<dl>/gi,"<dl onmouseover='pull(this)' onmouseout='pull(this)'>");
	}
	function pull(obj){
		for(var i=0;i<obj.childNodes.length;i++){
			if(obj.childNodes[i].nodeName.toUpperCase()=="DD"){
				obj.childNodes[i].style.display=obj.childNodes[i].style.display=="block"?"none":"block";
			}
		}
	}
}