公告栏滚动
<script type="text/javascript">
var PartArea = document.getElementById('part2');
var Scroll1 = document.getElementById('scroll1');
var Scroll2 = document.getElementById('scroll2');
Scroll2.innerHTML = Scroll1.innerHTML;
function roll() {
if (Scroll2.offsetHeight - PartArea.scrollTop <= 0) {
PartArea.scrollTop -= Scroll1.offsetHeight;
} else {
PartArea.scrollTop++;
}
}
var StopRoll = setInterval(roll, 60);
PartArea.onmouseover = function () {
clearInterval(StopRoll);
}
PartArea.onmouseout = function () {
StopRoll = setInterval(roll, 60);
}
</script>