function reloadImage()
       {
             $('#image').hide();
             $('#loading').show();
             $.ajax({
                  url:'/backend/ajax.captcha.php',
                  dataType:"html",
                  success:function (data, textStatus)
                  {
                        $('#image').html(data).show();
                        $('#loading').hide();
                  }
             });
       }       
       
       function dropImage(id)
       {
            $.ajax({
                  url:'/backend/ajax.dropimage.php',
                  dataType:"json",
                  type:"post",
                  data:"id="+id,
                  success:function (data, textStatus)
                  {
                      $('#'+id).hide();
                      $('#upload').show();
                  }
            });
       }
       
       function dropUploadedImage(id)
       {
            $.ajax({
                  url:'/backend/ajax.dropimageuploaded.php',
                  dataType:"json",
                  type:"post",
                  data:"id="+id,
                  success:function (data, textStatus)
                  {
                      $('#uploaded_'+id).hide();
                  }
            });
       }