javascript現實替換問題

Question

给<a id="xyz"  定义一个id，引用该对象改变href，如xyz.href="..."

Answer 1

<a href="#" onclick="PlayClick(this)"  ID="select"><IMG SRC="http://images.csdn.net/upimgs/CSDN-ad120_360.GIF" alt="點擊我" name="Listen" WIDTH=38 HEIGHT=38 border="0" id="Listen"></a>
<script language=javascript>
function PlayClick(obj)
{
obj.parentNode.innerHTML="<a href=\"#\" onclick=\"Play2(this)\" onMouseOver=\"MM_swapImage('Listen','','a_2.gif',1)\" onMouseOut=\"MM_swapImgRestore()\" ID=\"select\"><IMG SRC=\"http://community.csdn.net/logo/Images/eye001.gif\" alt=\"點擊我\" name=\"Listen\" WIDTH=38 HEIGHT=38 border=\"0\" id=\"Listen\"></a>"
}
</script>