This is my code for image upload....

<a id="aaiu-uploader" class="aaiu_button" href="#"><?php _e('*Select Images 
(mandatory)','wpestate');?></a>
                        <input type="hidden" name="attachid" id="attachid" value="<?php
 echo $attachid;?>">
                        <input type="hidden" name="attachthumb" id="attachthumb" value="<?
 php echo $thumbid;?>">

i want upload functionality more than one time in single page in wordpress.i have add js code for that same as first upload block but its not working.

This is js code for image upload....

  jQuery(document).ready(function($) {
  "use strict";

  if (typeof(plupload) !== 'undefined') {


        var uploader = new plupload.Uploader(ajax_vars.plupload);

        uploader.init();

        uploader.bind('FilesAdded', function (up, files) {

            $.each(files, function (i, file) {
             //   console.log('append'+file.id );


                $('#aaiu-upload-imagelist').append(
                    '<div id="' + file.id + '">' +
                        file.name + ' (' + plupload.formatSize(file.size) + ') <b></b>' +
                        '</div>');
            });

            up.refresh(); // Reposition Flash/Silverlight
            uploader.start();
        });

        uploader.bind('UploadProgress', function (up, file) {
            $('#' + file.id + " b").html(file.percent + "%");
        });



        // On erro occur
        uploader.bind('Error', function (up, err) {
            $('#aaiu-upload-imagelist').append("<div>Error: " + err.code +
                ", Message: " + err.message +
                (err.file ? ", File: " + err.file.name : "") +
                "</div>"
            );
            up.refresh(); // Reposition Flash/Silverlight
        });



        uploader.bind('FileUploaded', function (up, file, response) {

            var result = $.parseJSON(response.response);
           // console.log(result);

            $('#' + file.id).remove();
            if (result.success) {               
                $('#profile-image').css('background-image','url("'+result.html+'")');
                $('#profile-image').attr('data-profileurl',result.html);
                $('#profile-image_id').val(result.attach);

                var all_id=$('#attachid').val();
                all_id=all_id+","+result.attach;
                $('#attachid').val(all_id);
                $('#imagelist').append('<div class="uploaded_images" data-
 imageid="'+result.attach+'"><img src="'+result.html+'" alt="thumb" /><i class="fa 
 deleter fa-trash-o"></i> </div>');
                delete_binder();
                thumb_setter();
            }
        });


        $('#aaiu-uploader').click(function (e) {
                  uploader.start();
                  e.preventDefault();
              });

        $('#aaiu-uploader2').click(function (e) {
                  uploader.start();
                  e.preventDefault();
              });


  }

  });