织梦ajax跨域提交自定义表单

<script type="text/JavaScript" src="http://apps.bdimg.com/libs/jquery/1.6.4/jquery.min.Js"></script><script>function send(){    $.AJAX({        cache:true,type:"POST",url:"http://www.b.com/plus/diy.PHP",data:$('#diyform').serialize(),xhrFIElds:{withCredentials: true},//AJAX跨域提交需要        crossDomain:true,//AJAX跨域提交需要        success: function(data){            if(data=="success"){                alert('发送成功!');            }else{                alert('发送失败!');            }        }    });}</script><form action="" enctype="multipart/form-data" method="post" ID="diyform">    <input type="hIDden" @R_502_6889@="action" value="post" />    <input type="hIDden" @R_502_6889@="diyID" value="2" />    <input type="hIDden" @R_502_6889@="do" value="2" />    <input type="hIDden" @R_502_6889@="dede_fIElds" value="@R_502_6889@,text" />    <input type="hIDden" @R_502_6889@="dede_fIEldshash" value="c2be5bb5ec45d9d01ca9f60dc469b3fb" />    <p>        姓名：        <input type='text' @R_502_6889@='@R_502_6889@' ID='@R_502_6889@' />    </p>    <p>        验证码：        <input type="text" @R_502_6889@="valIDate"><img src="http://www.b.com/include/vdimgck.PHP" align="absmIDdle" onclick="this.src='http://www.b.com/include/vdimgck.PHP?tag='+Math.random();" >    </p>    <div onclick="send()">提交</div></form>