ai pro ajax giúp mình với

{% set cat_id='430271' %}
{# ID thư mục lưu trữ chatbox #}
 
<div class="title">Chatbox file_exchange.php</div>
<div class="menu">
<form action="file_exchange.php?ses={{ses}}&id=upload_url&category_id={{cat_id}}&fbchat=chatbox{%if api.r.get('f')%}&fid={{api.r.get('f')}}{%endif%}" method="post" enctype="multipart/form-data">
<input name="url" type="hidden" value="http://buycode.wap.mu/files/1005357/pixel.gif">
<input name="file_name" type="hidden" value="{{"now"|date('Y-m-d.H_i_s')}}.gif"><input name="type" value="1" type="hidden"><input name="status" value="2" type="hidden">
<textarea name="desc" maxlength="255" type="text" style="width:95%"></textarea><input type="submit" value="Đăng">
</form></div>
<div class="total_chatbox">{{file_list}}</div>
<div class="menu">{{paging_def}}</div>

$(function(){
//POST
$('form[action*="file_exchange.php"]').submit(function(){
$.post($(this).attr('action'),{url:$(this).find('input:eq(0)').val(), type: $(this).find('input:eq(1)').val(),status: $(this).find('input:eq(2)').val(), desc: $(this).find('textarea').val()});
})
//LOAD
function load(){
$('.total_chatbox').load(location.href+' .total_chatbox>*');
}
setInterval(load,1000)
})