.menubanner{position:absolute; top:96px; left:0px; height:45px; width:100%; z-index:1000000; text-align:center;background:url(images/nbg.gif) repeat;}

#menudiv{
	margin:0 auto; margin-left:auto; margin-right:auto;
	height:45px; width:1000px; padding-left:0px;
	z-index:1000000; text-align:left; 
}
/* 一级栏目整体框架ul */
#menudiv a{test:expression(target="_self");}
#menudiv a{display:block; float:left; color:#6C6C6C; height:45px; line-height:45px; width:88px; font-size:14px; font-weight:bold; text-align:center;}
#menudiv a.menufirst{display:inline-block;}
#menudiv a:hover{color:#fff;background:url(images/menuh.gif) no-repeat center center; }
#menudiv a.menuselectul{color:#fff;background:url(images/menuh.gif) no-repeat center center; }
#menudiv span{ display:block; float:left; width:13px; height:45px; background:url(images/nline.gif) no-repeat center center;}