static/ext/src/ux/event/Driver.js
function () {
        var me = this;

        if (!me.active) {
            me.active = new Date();
            me.startTime = me.getTime();
            me.onStart();
            me.fireEvent('start', me);
        }
    }
function () {
        var me = this;

        if (!me.active) {
            me.active = new Date();
            me.startTime = me.getTime();
            me.onStart();
            me.fireEvent('start', me);
        }
    }
Starts this object. If this object is already started, nothing happens.