TreeTimeline

Trying to implement tree timeline in RoR, please hint me what is wrong…
Unit section displays users and events properly
the json output looks like correct:
[{“id”:1,“label”:“Team A”,“open”:true,“children”:[{“id”:1,“label”:“John Smith”},{“id”:3,“label”:“Bob Sinclair”},{“id”:6,“label”:“Stephany Brown”},{“id”:8,“label”:“Josh Follow”}]},{“id”:2,“label”:“Team B”,“open”:true,“children”:[{“id”:2,“label”:“David Korn”},{“id”:4,“label”:“John Doe”},{“id”:5,“label”:“Fedora Loyd”}]},{“id”:4,“label”:“Team C”,“open”:true,“children”:[{“id”:7,“label”:“Helen Gick”}]},{“id”:5,“label”:“Team D”,“open”:true,“children”:[{“id”:9,“label”:“Nataly Fox”}]}]

the code:

jQuery(document).ready(function($) {
function init() {
var users = [];
$(‘#event_user_id > option’).each(function(){
var user = {};
user.key = this.value;
user.label = this.text;
users.push(user);
});

teams = scheduler.serverList("teams");

scheduler.locale.labels.timeline_tab = "Timeline";
scheduler.locale.labels.unit_tab = "Unit";
scheduler.config.multisection = true;
scheduler.config.details_on_create = true;
scheduler.config.details_on_dblclick = true;
scheduler.config.xml_date = "%Y-%m-%d %H:%i";
scheduler.config.multi_day = true;

scheduler.createTimelineView({
  name:  'timeline',
  section_autoheight: false,
  x_unit: 'hour',
  x_date: '%A',
  x_step: 12,
  x_size: 62,
  x_length: 62,
  folder_dy:20,
  dy:30,
  dx: 150,
  y_unit: teams,
  y_property: 'unit_id',
  render: 'tree',
  //render: 'bar',
  round_position: true,
  second_scale: {
    x_unit: 'day',
    x_date: "%j",
    x_step:  1,
    x_size: 62,
    x_start: 0,
    x_length: 62
  }
});

scheduler.createUnitsView("unit", "unit_id", users);


var config = {
  days:  [0, 6],
  zones: "fullday",
  css: "grey_section",
  type:"dhx_time_block"
};

scheduler.config.lightbox.sections = [
  {name:"description", height:50, map_to:"text", type:"textarea", focus:true},
  {name:"custom", height:23, type:"select", options:users, map_to:"unit_id" },
  {name:"time", height:72, type:"calendar_time", map_to:"auto" }
];

scheduler.addMarkedTimespan(config);

dhtmlxAjax.get("/teams.json", function(resp){
  var teams = JSON.parse(resp.xmlDoc.responseText);
  scheduler.updateCollection("teams", teams);
});

scheduler.init('scheduler_here', new Date(), "unit");
scheduler.load("/events.json", 'json');
//scheduler.load('<%= events_path %>', 'json');
var dp = new dataProcessor("/events/save");
//var dp = new dataProcessor("<%= save_path %>");
  dp.init(scheduler);
  dp.setTransactionMode("POST",false);

}

init();
});

function show_minical(){
if (scheduler.isCalendarVisible()){
scheduler.destroyCalendar();
} else {
scheduler.renderCalendar({
position:“dhx_minical_icon”,
date:scheduler._date,
navigation:true,
handler:function(date,calendar){
scheduler.setCurrentView(date);
scheduler.destroyCalendar();
}
});
}
}