QQ强制对话

<input id="QQNum" maxlength="11" style="width:80px;" class="search_txt" />
<input type="button" align="absMiddle" value="QQ对话" class="search_submit" onclick="StartQQMSG()"/>
<span id="QHTML">&nbsp;</span>
<span id="QHTML_NUM">&nbsp;</span>

<script type="text/javascript">
function StartQQMSG()
{
var QNUM=document.getElementById('QQNum').value;
if(QNUM==""){
alert("请输入QQ号码");
document.getElementById('QQNum').focus();
}else{
document.getElementById('QHTML').innerHTML='<a target="_blank" href="http://wpa.qq.com/msgrd?v=3&amp;uin='+QNUM+'&amp;site=www.tinglan100.com&amp;menu=yes"><img border="0" src="http://wpa.qq.com/pa?p=1:'+QNUM+':4" alt="点击这里给我发消息" height=16 align="absmiddle"></a>';
document.getElementById('QHTML_NUM').innerHTML='<a target="blank" href="http://wpa.qq.com/msgrd?v=3&amp;uin='+QNUM+'&amp;site=www.tinglan100.com&amp;menu=yes">开始</a>';
}
return false;
}
</script>