var nv=$("#menu");
var nva=$("#menu a");
 function tabx(ax){ 
	switch (ax) {
		case 2 :
		document.getElementById('fdh').style.left="50px";
			document.getElementById('fdh').innerHTML='<a href="about.asp?id=1">公司简介</a><a href="about.asp?id=2">企业文化<a><a href="about.asp?id=22">主要业绩<a><a href="case.asp">典型案例<a>';
			break; 
		case 4 :
		document.getElementById('fdh').style.left="340px";
			document.getElementById('fdh').innerHTML='<a href="product.asp?id=1">LED显示类<a><a href="product.asp?id=2">其他类<a>';
			break; 
		case 5 :
		document.getElementById('fdh').style.left="420px";
			document.getElementById('fdh').innerHTML='<a href="question.asp?id=30">常见问题与解答<a><a href="down.asp?id=9">下载中心<a><a href="message.asp">留言板<a>';
			break;
		case 6 :
		document.getElementById('fdh').style.left="550px";
			document.getElementById('fdh').innerHTML='<a href="corporation.asp">金牌合作伙伴<a><a href="business.asp?id=31">代理商<a>';
			break;
		default:
			document.getElementById('fdh').innerHTML='';
			document.getElementById('fdh').style.marginLeft="";
			break;
	}	
}