return false;
} else {
$(‘#sideCatalog-catalog dl dd’).eq(0).addClass(‘heightlight’).siblings(‘dd’).removeClass(‘heightlight’);
}
}
})
//导航的滚动，以及向上，向下按钮的显示隐藏
function scrollSlide(that, index){
if (index < 5) {
$(‘#sideCatalog-catalog dl’).stop().animate({‘top’: ‘0’}, ‘fast’);
$(‘#sideCatalog-down’).removeClass(‘sideCatalog-down-disable’).addClass(‘sideCatalog-down-enable’);
$(‘#sideCatalog-up’).removeClass(‘sideCatalog-up-enable’).addClass(‘sideCatalog-up-disable’);
} else if (index > 11) {
$(‘#sideCatalog-catalog dl’).stop().animate({‘top’: -enableTop}, ‘fast’);
$(‘#sideCatalog-down’).removeClass(‘sideCatalog-down-enable’).addClass(‘sideCatalog-down-disable’);
$(‘#sideCatalog-up’).removeClass(‘sideCatalog-up-disable’).addClass(‘sideCatalog-up-enable’);
} else {
var dlTop = parseInt($(‘#sideCatalog-catalog dl’).css(‘top’)) + slideOutHeight / 2 – (that.offset().top – $(document).scrollTop());
$(‘#sideCatalog-catalog dl’).stop().animate({‘top’: dlTop}, ‘fast’);
$(‘#sideCatalog-down’).removeClass(‘sideCatalog-down-disable’).addClass(‘sideCatalog-down-enable’);
$(‘#sideCatalog-up’).removeClass(‘sideCatalog-up-disable’).addClass(‘sideCatalog-up-enable’);
}
}
</script>
</body>
</html>
