<script type="text/javascript">
function ShowElement(element) {
var oldhtml = element.innerHTML;
var newobj = document.createElement('input');
newobj.type = 'text';
newobj.value = oldhtml;
newobj.onblur = function() {
element.innerHTML = this.value == oldhtml ? oldhtml : this.value;
element.setAttribute("ondblclick", "ShowElement(this);");
}
element.innerHTML = '';
element.appendChild(newobj);
newobj.setSelectionRange(0, oldhtml.length);
newobj.focus();
newobj.parentNode.setAttribute("ondblclick", "");
}
</script>
<dl>
<dt>你的用户名:</dt>
<dd ondblclick="ShowElement(this)">三人行</dd>
<dt>你的个性档</dt>
<dd ondblclick="ShowElement(this)">三人行,必有我师焉!</dd>
</dl>