var date = cal.hasClass('left') ? this.leftCalendar.calendar[row][col] : this.rightCalendar.calendar[row][col];

            //highlight the dates between the start date and the date being hovered as a potential end date
            var leftCalendar = this.leftCalendar;
            var rightCalendar = this.rightCalendar;
            var startDate = this.startDate;
            if (!this.endDate) {