body {  behavior: url(includes/csshover.htc);} /* WinIE behavior call */
div#nav-cat {float: left; width: 200px; margin:0;
  background-color: #eeeeee; font-weight:bold;}
div#nav-cat ul {margin: 0; padding: 0; width: 200px; background-color: #eeeeee;/*菜单宽度*/
/*  border: 1px solid #AAA;*/}
div#nav-cat ul.level2 {background-color: #fff; border:1px solid #ccc}
div#nav-cat ul.level3 {background-color: #fff; border:1px solid #ccc}
div#nav-cat ul.level4 {background-color: #fff;}
div#nav-cat ul.level5 {background-color: #fff;}
div#nav-cat li {position: relative; list-style: none; margin: 0; height:25px; border-bottom:1px solid #eee;
/*  border-bottom: 1px solid #CCC;*/}
div#nav-cat li:hover {background-color: #eee; }
div#nav-cat li.submenu {
background: url(../images/submenu.gif) 95% 50% no-repeat;
background-color: #fff;}/*主菜单背景*/
div#nav-cat li.submenu:hover {background-color: #eee;color:#660033}
div#nav-cat li a { height:25px; padding-left:10px; 
  text-decoration: none; width: 180px; color:000;}/*主菜单字色*/
/*border-left: 0.5em solid #BBB;}
div#nav li a:hover {border-left-color: red;}*/
div#nav-cat>ul a {width: auto;}
div#nav-cat ul ul {position: absolute; top: 0; left: 200px;/*二级菜单*/
  display: none;}
div#nav-cat ul.level1 li.submenu:hover ul.level2, 
div#nav-cat ul.level2 li.submenu:hover ul.level3,
div#nav-cat ul.level3 li.submenu:hover ul.level4,
div#nav-cat ul.level4 li.submenu:hover ul.level5 {display:block;}