求jquery代码！
<div id="sidebar">
<a class="bg1" href="#"> </a>
<hr/>
<a class="bg2" href="#"> </a>
<hr/>
<a class="bg3" href="#"> </a>
<hr/>
<a class="bg4"href="#"> </a>
<hr/>
<a class="bg5" href="#"> </a>
<hr/>
<a class="bg6" href="#"> </a>
<hr/>
</div>
这是代码，不同的行鼠标滑过和点击实现不同背景图片，并且，其他行还原
js jQuery
[解决办法]
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.10.1/jquery.min.js"></script>
<title>无标题文档</title>
<style type="text/css">
a{color:#333}
.bg1.focus{background-color:#666}
.bg2.focus{background-color:#999}
.bg3.focus{background-color:#ccc}
.bg4.focus{background-color:#f00}
.bg5.focus{background-color:#00FF00}
.bg6.focus{background-color:#0000FF}
</style>
</head>
<body>
<div id="sidebar">
<a class="bg1" href="#">aaaaaaaaaaaaaa</a>
<hr/>
<a class="bg2" href="#">bbbbbbbbbbbb</a>
<hr/>
<a class="bg3" href="#">cccccccccccccccccccc</a>
<hr/>
<a class="bg4"href="#">dddddddddddddddddddddddddd</a>
<hr/>
<a class="bg5" href="#">eeeeeeeeeee</a>
<hr/>
<a class="bg6" href="#">vvvvvvvvvvvvvvvvvvvvvvvvvvvv</a>
<hr/>
</div>
<script type="text/javascript">
jQuery(function($){
$('a').click(function(){
$('a').not($(this)).removeClass('focus');
$(this).addClass('focus');
return false;
}).mouseover(function(){
$('a').not($(this)).removeClass('focus');
$(this).addClass('focus');
return false;
});
});
</script>
</body>
</html>
把背景色换成你的图片试试