下面代码为什么在IE下正常，而在firefox下就没法使用
各位大侠，下面代码为什么在IE下正常，而在firefox下就没法使用
？怎么修改！谢谢！
<html>
<head>
<script type="text/javascript" src="http://www.w3school.com.cn/jquery/jquery.js"></script>
<script type="text/javascript">
function showsubmenu(obj,sid,id){
$(document).ready(function(){
if(obj.checked==true)
$("."+sid).click(function(){
$("."+id).hide();
});
else
$("."+sid).click(function(){
$("."+id).show();
});
});
}
</script>
</head>
<body>
<div id="one" class="two">0.</div>
<div id="one" class="two">0</div>
<div id="one" class="two">0.</div>
<div id="one" class="two1">1</div>
<div id="one" class="two1">1</div>
<div id="one" class="two1">1</div>
<input type="checkbox" name="btn1" class="btn1" value="1" onClick='showsubmenu(this,"btn1","two")'>0
<input type="checkbox" name="btn1" class="btn2" value="1" onClick='showsubmenu(this,"btn2","two1")'>1
</body>
</html>
[解决办法]
<html><head><script type="text/javascript" src="http://www.w3school.com.cn/jquery/jquery.js"></script><script type="text/javascript">function showsubmenu(obj,sid,id){if(obj.checked==true){ $("."+id).hide();}else{ $("."+id).show();}}</script></head><body><div id="one1" class="two">0.</div><div id="one2" class="two">0</div><div id="one3" class="two">0.</div><div id="one4" class="two1">1</div><div id="one5" class="two1">1</div><div id="one6" class="two1">1</div><input type="checkbox" name="btn1" class="btn1" value="1" onClick='showsubmenu(this,"btn1","two")'>0<input type="checkbox" name="btn1" class="btn2" value="1" onClick='showsubmenu(this,"btn2","two1")'>1</body></html>