this.element.on('keydown.daterangepicker', $.proxy(this.toggle, this));
        }

        //
        // if attached to a text input, set the initial value
        //

        this.updateElement();

    };

    DateRangePicker.prototype = {

        constructor: DateRangePicker,

        setStartDate: function(startDate) {
            if (typeof startDate === 'string')