更新URL哈希而不重新加载页面

<script>
function CurHash(){
    var id = parseInt(window.location.hash.replace("#", ""));
    alert(id);
}
</script>

<!-- START URL: test.htm#1 -->
<a href='/go.html?url=#1' onClick='CurHash()'>#1</a>
<a href='/go.html?url=#2' onClick='CurHash()'>#2</a>
<a href='/go.html?url=#3' onClick='CurHash()'>#3</a>
<script>
function CurHash(){
    var id = parse