求高手帮忙，在线等，AJAX提交问题

<!--评论输入框开始-->
  <div style="padding:4px"></div>
  <div class="post">
     <div style="padding:4px"></div>
     <label>&nbsp;昵&nbsp;&nbsp;&nbsp;称(*)</label> <input type="text" id="CommentUser" onFocus="this.className='focus postvalidate'" onBlur="this.className='blur postvalidate'"  class="blur postuser" value="匿名网友" />
     <div style="padding:2px"></div>
    <label>&nbsp;验证码(*)</label> <input type="text" class="blur postvalidate"  id="CommentValidate" onFocus="this.className='focus postvalidate'" onBlur="this.className='blur postvalidate'" maxlength="4" />
    &nbsp;<img id='CommentValidateImages' style='cursor:pointer;height:20px;width:80px;' src="about:blank" onerror="this.onerror=null;this.src='/co/coadvblue/Code.asp?s='+Math.random();" alt="验证码" title="看不清楚?换一张" onClick="src='/co/coadvblue/Code.asp?s='+Math.random()"  />
     <div style="padding:2px"></div>
     <label>&nbsp;内&nbsp;&nbsp;&nbsp;容(*)</label> <textarea id="CommentText" onFocus="this.className='focus posttext'" onBlur="this.className='blur posttext'" class="blur posttext"></textarea>
    <div style="padding:2px"></div>
    <span style="padding-left:60px;">&nbsp;</span><input type='button' class="postsubmit" id="CommentSubmit" value='提交' onClick="SendComment(1)" />
     <div style="padding:2px"></div>
  </div>
<!--评论输入框结束-->

function StopButton(){
    document.getElementById(arguments[0]).disabled=true;
    document.getElementById(arguments[0]).value="提交("+arguments[1]+")";
    if(--arguments[1]>0){
        window.setTimeout("StopButton('"+arguments[0]+"',"+arguments[1]+")",1000);
    }
    if(arguments[1]<=0){
        document.getElementById(arguments[0]).value='提交';
        document.getElementById(arguments[0]).disabled=false;
    }
}
function GetComment($ID,$Page){
    $.ajax({
        url:"Comment.asp?action=ajax_getcomment&id="+$ID+"&page="+$Page+"&time"+new Date().toString(),
        type:'GET',
        success:function(){
            $('#comment').html(arguments[0]);
        }
    });
}
function SendComment(){    
        var $CommentParentID    =arguments[0];
        var $CommentUser        =$('#CommentUser').val();
        var $CommentText        =$('#CommentText').val();
        var $CommentValidate    =$('#CommentValidate').val();
        if ($.trim($CommentUser)=='')
        {
            alert('请您填写昵称！');
            $('#CommentUser').focus();
            return false;
        }
        if ($.trim($CommentValidate)=='')
        {
            alert('请您填写验证码！');
            $('#CommentValidate').focus();
            return false;
        }        
        if ($.trim($CommentText)=='')
        {
            alert('请您填写回复内容！');
            $('#CommentText').focus();
            return false;
        }
        if ($CommentText.length<5||$CommentText.length>200)
        {
            alert('内容必须在5-200字之间！');        
            return false;
        }
        StopButton('CommentSubmit',10);
    $.ajax({
        url:"Comment.asp?action=ajax_sendcomment&commentparentid="+$CommentParentID+"&commentuser="+escape($CommentUser)+"&commenttext="+escape($CommentText)+"&commentvalidate="+escape($CommentValidate)+"&time="+new Date().toString(),
        type:'GET',
        success:function(){
            if (arguments[0]=='ERROR')
            {
                alert('验证码出错！');
            }else{
                GetComment($CommentParentID,0);
                alert(arguments[0]);
                $("#CommentText").val("");
                    //验证成功时，刷新验证码图片
                $("#CommentValidateImages").attr("src","/co/coadvblue/Code.asp?s="+Math.random());
            }
            $("#CommentValidate").val("");
        }
    });
   
//SetCookie("CommentUser",$CommentUser,3);
}

Function ajax_sendcomment()
    Dim commentparentid, commentuser, commenttext, commentvalidate
    OpenConn(DbPath)
    commentparentid = Request.QueryString("commentparentid")
    commentuser = unescape(Request.QueryString("commentuser"))
    commenttext = unescape(Request.QueryString("commenttext"))
    commentvalidate = unescape(Request.QueryString("commentvalidate"))
    If CStr(session("GetCode"))<>commentvalidate Then
        Echo ("ERROR")
        Response.End()
     Else
        Sql = "insert into comment(commentparentid,commentuser,commenttext,commentreply,commentip) values('"&commentparentid&"','"&commentuser&"','"&Server.HTMLEncode(commenttext)&"','','"&GetIP()&"')"
        Set Rs = Conn.Execute(Sql)
        CloseRs()
        CloseConn()
        Echo ("评论发表成功.")
    End If
End Function

路径处用绝对路径看看