function SHOWTAB(tabNum) {
    if (tabNum == 1) {
        document.getElementById('BestSellers').style.display = '';
        document.getElementById('TopPreOrders').style.display = 'none';
        document.getElementById('Tab1').className = 'KalahariTabOn';
        document.getElementById('Tab2').className = 'KalahariTabOff';
    }
    else if (tabNum == 2) {
        document.getElementById('BestSellers').style.display = 'none';
        document.getElementById('TopPreOrders').style.display = '';
        document.getElementById('Tab1').className = 'KalahariTabOff';
        document.getElementById('Tab2').className = 'KalahariTabOn';
    }
    else if (tabNum == 3) {
        document.getElementById('CommentTopDogs').style.display = '';
        document.getElementById('CommentRecent').style.display = 'none';
        document.getElementById('CommentHotTopics').style.display = 'none';
        document.getElementById('Tab3').className = 'CommentTabOnLeft width107';
        document.getElementById('Tab4').className = 'CommentTabOff width108';
        document.getElementById('Tab5').className = 'CommentTabOff width107';
    }
    else if (tabNum == 4) {
        document.getElementById('CommentTopDogs').style.display = 'none';
        document.getElementById('CommentRecent').style.display = '';
        document.getElementById('CommentHotTopics').style.display = 'none';
        document.getElementById('Tab3').className = 'CommentTabOff width107';
        document.getElementById('Tab4').className = 'CommentTabOn width108';
        document.getElementById('Tab5').className = 'CommentTabOff width107';

    }
    else if (tabNum == 5) {
        document.getElementById('CommentTopDogs').style.display = 'none';
        document.getElementById('CommentRecent').style.display = 'none';
        document.getElementById('CommentHotTopics').style.display = '';
        document.getElementById('Tab3').className = 'CommentTabOff width107';
        document.getElementById('Tab4').className = 'CommentTabOff width108';
        document.getElementById('Tab5').className = 'CommentTabOn width107';

    }
}