% var countsAvailable = false; if (typeof ob.start === 'number' && typeof ob.end === 'number' && typeof ob.total === 'number') { countsAvailable = true; } var disabledPrev = true; var disabledNext = true; if (countsAvailable) { if (ob.start > 1) { disabledPrev = false; } if (ob.end < ob.total) { disabledNext = false; } } %>