怎么改 :跳转到相应页 导航栏文字的背景色就变成蓝色
<html xmlns= "http://www.w3.org/1999/xhtml ">
<head>
<title> </title>
<style type= "text/css ">
body {font-size:12px;font-family:宋体}
ul.TabBarLevel1{
list-style:none;
margin:0;
padding:0;
height:29px;
background-image:url(http://pics.taobao.com/2k5/sys/component/tabbar_level1_bk.gif);
}
ul.TabBarLevel1 li{
float:left;
padding:0;
height:29px;
margin-right:1px;
background:url(http://pics.taobao.com/2k5/sys/component/tabbar_level1_slice_left_bk.gif) left top no-repeat;
}
ul.TabBarLevel1 li a{
display:block;
line-height:29px;
padding:0 20px;
color:#333;
background:url(http://pics.taobao.com/2k5/sys/component/tabbar_level1_slice_right_bk.gif) right top no-repeat;
white-space: nowrap;
}
ul.TabBarLevel1 li.Selected{
background:url(http://pics.taobao.com/2k5/sys/component/tabbar_level1_slice_selected_left_bk.gif) left top no-repeat;
}
ul.TabBarLevel1 li.Selected a{
background:url(http://pics.taobao.com/2k5/sys/component/tabbar_level1_slice_selected_right_bk.gif) right top no-repeat;
}
ul.TabBarLevel1 li a:link,ul.TabBarLevel1 li a:visited{
color:#333;
}
ul.TabBarLevel1 li a:hover,ul.TabBarLevel1 li a:active{
color:#F30;
text-decoration:none;
}
ul.TabBarLevel1 li.Selected a:link,ul.TabBarLevel1 li.Selected a:visited{
color:#000;
}
ul.TabBarLevel1 li.Selected a:hover,ul.TabBarLevel1 li.Selected a:active{
color:#F30;
text-decoration:none;
}
div.HackBox {
padding : 2px 2px ;
border-left: 2px solid #6697CD;
border-right: 2px solid #6697CD;
border-bottom: 2px solid #6697CD;
}
</style>
</head>
<body style= "font-family: 宋体 ">
<div id= "Whatever " style= "text-align: center ">
<table border= "0 " cellpadding= "0 " cellspacing= "0 " style= "width: 770px; background-color: #f5f5f5 ">
<tr>
<td colspan= "7 " style= "background-image: url(Images/top.jpg); background-repeat: no-repeat;
height: 114px ">
</td>
</tr>
<tr>
<td