Javascript实现局部刷新

屌丝技巧------------刷新页面某个DIV

<div id="altContent">
           要刷新的区域000000
</div>
<input type="button" onclick="refsher()" value="刷新DIV" />

<script type="text/javascript">
function refsher() {
    document.getElementById("altContent").innerHTML = document.getElementById("altContent").innerHTML;
}

</script>