$(document).ready(function() {  
  $(".select_user_modal").on('click', function(){
    var ids = [];
    var users = $(this).siblings('#selected_users').children('span.selected_user');
    users.each(function(i) {
      ids.push(users.eq(i).attr('user_id'));
    });
    $("#main-wrap").after("<span id='select_user'></span>");
    $.ajax({
      type: 'GET',
      url: $(this).attr("rel"),
      dataType: 'script',
      data: {field: $(this).attr("field"), ids: ids},
      success: function (msg) {
        $("#select_user_modal").modal('show'); },
      error: function(){
        alert("ERROR");
      }
    });  
    return false;
  });
  $(document).on('click', ".remove_user", function(){
    $(this).parent().remove();
  });
});