<div id="slider_container" style="width:25%; position:absolute;display:none;">
        <input id="anim_frame_current" data-highlight="true" value="0.0" min="0.0" max="1.0" type="range" step="1.0">
</div>

function main_canvas_down(e) {

    if (e.preventDefault)
        e.preventDefault();

    var x = m_mouse.get_coords_x(e);
    var y = m_mouse.get_coords_y(e);

    var slider_container = document.getElementById("slider_container");

    var obj = m_scs.pick_object(x, y);
    if (obj) {
        m_anim.apply_def(obj);
        if (m_anim.is_animated(obj)) {
            _anim_obj = obj;
            var frame_slider = document.getElementById("anim_frame_current");
            var range = m_anim.get_anim_length(obj, 0);
            frame_slider.max = range.toString() + ".0";
            m_anim.set_frame(_anim_obj, _current, 0);
            slider_container.style.display = "block";
            return;
        }
    }
    slider_container.style.display = "none";

}

bind_control(set_animation_params, "anim_frame_current", "number");

function set_animation_params(value) {

    if ("anim_frame_current" in value && _anim_obj) {
        var slot_num = 0;
        if (!m_anim.is_play(_anim_obj, slot_num)) {
            _current = parseInt(value.anim_frame_current);
            if (_current)
                m_anim.set_frame(_anim_obj, _current, slot_num);
        }
    }
}

"use strict";
b4w.register("my_module", function(exports, require) {
var app = . . . 

});
b4w.require("my_module").init();

exports.init = function() {
app.init(. . . 
}