Dúvida sobre o código

Fala galera ,blz?

Estou criando um site e tenho uma dúvida, salvar a foto do usuário no servidor ftp usando o jquery async. Desde já agradeço!

Segue o código a baixo.

<?

require("seguranca.php&quot;

require("head.php&quot;?>



      <!--main content start-->

      <section id="main-content">

          <section class="wrapper">

          <div class="row">

                <div class="col-lg-12">

                    <h3 class="page-header"><i class="fa fa-user-md"></i> Perfil</h3>

                    <ol class="breadcrumb">

                        <li> <i class="glyphicon glyphicon-home"></i><a href="index.html">Home</a></li>

                       

                        <li><i class="glyphicon glyphicon-edit"></i>Editar</li>

                    </ol>

                </div>

            </div>

              <div class="row">

                <!-- profile-widget -->

                <div class="col-lg-12">

                                           

                    <div class="profile-widget profile-widget-info">

                          <div class="panel-body">

                            <div class="col-lg-3 col-sm-3">

                              <h4><?echo "$dados[NOME] $dados[SOBRENOME]";?></h4>              

                            

                            

                             <div class="slim" style="background-color:#324c57"

     data-service="server/async.php"

     data-ratio="3:2"

     data-size="600,400"

     data-max-file-size="2">

    <? if ($dados[IMGPERFIL]=="&quot{?>              

                                    <img src="img/usuario.png" alt=""   alt="User Image">

                                        <? } else {?>

                                    <img src="http://www.revistaalvo.com.br/condosocio/admincond/fotosperfil/<? echo $dados[IMGPERFIL];?>" alt=""   alt="User Image">

                                      <?}?> 

    <input type="file" name="slim[]"/>

</div>

                            

                            </div>



                            <div class="col-lg-4 col-sm-4 follow-info">

                             <p><?echo $dados[TIPOUSUARIO];?></p>

                                <p><?echo $dados[EMAIL];?></p>

                               

                                <h6>

                                <p>        <span><i class="icon_calendar"></i><? $data=date("d/m/y",strtotime($dados[DATACAD])); echo $data;?></span></p>

                                  

                                 <p>       <span><i class="icon_pin_alt"></i><?echo "$dados[TIPOUN] | $dados[UN]";?></span></p>   

                                </h6>

                            </div>

                          

                           

                           

                          </div>

                    </div>

                </div>

              </div>

              <!-- page start-->

              <div class="row">

                 <div class="col-lg-12">

                  

                          <div class="panel-body">

                              <div class="tab-content">

                                 

                                  <!-- edit-profile -->

                                 <!-- <div id="edit-profile" class="tab-pane">

                                    <section class="panel">   -->

                                   

                                          <div class="panel-body bio-graph-info">

                                              <h1> Dados Pessoais</h1>

                                              <form  name="trabalhe" class="form-horizontal" role="form" action="alterarperfil.php" method="post">                                                 

                                                  <div class="form-group">

                                                      <label class="col-lg-2 control-label">Nome</label>

                                                      <div class="col-lg-6">

                                                          <input type="text" class="form-control" id="nome" name="nome" placeholder=" "  value="<? echo $dados[NOME]?>" required>

                                                      </div>

                                                  </div>

                                                  <div class="form-group">

                                                      <label class="col-lg-2 control-label">Sobrenome</label>

                                                      <div class="col-lg-6">

                                                          <input type="text" class="form-control" name="sobrenome" id="sobrenome" placeholder=" "value="<? echo $dados[SOBRENOME]?>" required>

                                                      </div>

                                                  </div>

                                                 

                                                  <div class="form-group">

                                                      <label class="col-lg-2 control-label">Celular</label>

                                                      <div class="col-lg-6">

     <input type="text" class="form-control" name="celular" id="celular" placeholder=" "  maxlength="15" onKeyPress="MascaraCelular(trabalhe.celular);" value="<? echo $dados[CELULAR]?>"required>

                                                      </div>

                                                  </div>

                                                  <div class="form-group">

                                                      <label class="col-lg-2 control-label">E-mail</label>

                                                      <div class="col-lg-6">

                                                          <input type="mail" class="form-control" name="email" id="email" placeholder=" " value="<? echo $dados[EMAIL]?>"required>

                                                      </div>

                                                  </div>

                                                 

                                                  <div class="form-group">

                                                      <label class="col-lg-2 control-label">Data de Nascimento</label>

                                                      <div class="col-lg-6">

                                                          <input type="date" class="form-control" name="niver" id="datanasc" placeholder=" "value="<? echo $dados[NIVER]?>" required>

                                                     

                                                           <input type="hidden" name="id" value="<? echo $id;?>">

                                                     

                                                      </div>

                                                  </div>

                                                

                                               

                                                



                                                  <div class="form-group">

                                                      <div class="col-lg-offset-2 col-lg-10">

                                                          <button type="submit" class="btn btn-primary">Concluir</button>

                                                          <button type="button" onclick="Sair()" class="btn btn-danger">Cancelar</button>

                                                      </div>

                                                  </div>

                                              </form>

                                          </div>

                                  

                                

                              </div>

                          </div>

                     

                 </div>

              </div>



              <!-- page end-->

          </section>

      </section>

      <!--main content end-->



  <!-- container section end -->

    <!-- javascripts -->

    

    

    <!-- nice scroll -->

    

    

    <!-- jquery knob -->

    

    <!--custome script for all page-->

    



  <script>



      //knob

      $(".knob&quot.knob();

      function Sair() {

            $(window.document.location).attr('href',"index.php&quot;           

        }   



     document.getElementById("file&quot.onchange = function() {

    document.getElementById("form&quot.submit();

};   

  </script>





  </body>

</html>