表单添加ip和url 和当前时间

<form name="form" action="http://test.dede.com/plus/diy.php"  method="post"  onsubmit="return get_on505()">
<!--------------------------------------------------------------------------------------------------->
<input name="url" type="hidden" id="url">     
<input name="ip" type="hidden" id="ip">
<input name="tjtime" type="hidden" id="tjtime">

<!--------------------------------------------------------------------------------------------------->
<!--获取当前链接和用户ip和时间-->
<script src="http://pv.sohu.com/cityjson?ie=utf-8"></script>
<script language="javascript">    
document.getElementById('url').value=window.location.href;
document.getElementById('ip').value=returnCitySN["cip"]+','+returnCitySN["cname"];
document.getElementById('tjtime').value = new Date();    

var datas=new Date();
document.getElementById('tjtime').value = datas.getFullYear()+"-"+(datas.getMonth()+1)+"-"+datas.getDate()+" "+datas.getHours()+":"+datas.getMinutes()+":"+datas.getSeconds();

</script>
<!--------------------------------------------------------------------------------------------------->
提交时间  tjtime
提交ip    ip
预约url   url