求助QQ客服不弹出 [复制链接]

代码如下：
<div class="QQbox" id="divQQbox">
<div class="Qlist" id="divOnline" style="display: none">
<div class="t"> </div>
<div class="con">
<h2>在线客服</h2>
<ul>
    <li><a target="_blank;" href="http://sighttp.qq.com/cgi-bin/check?sigkey=2285ce0f157e8a4384f673f398682467ef131550ff8cc169253de0de7932502d"><img alt="" border="0" src="http://wpa.qq.com/pa?p=1:408466077:41" /></a></li>
    <li><a target="_blank;" href="http://sighttp.qq.com/cgi-bin/check?sigkey=421ffc025fe1ee34be50eded6ae8302619964e804cf74911ef949f3b391988f0"><img alt="" border="0" src="http://wpa.qq.com/pa?p=1:494629777:41" /></a></li>
    <li><a target="_blank;" href="http://sighttp.qq.com/cgi-bin/check?sigkey=c6622661c11dd0367fad34a6012cf6beaf13d428a9717ba7ea12ebb409f83011"><img alt="" border="0" src="http://wpa.qq.com/pa?p=197441000:41" /></a></li>
</ul>
</div>
<div class="b"> </div>
</div>
<div id="divMenu"><img class="press" alt="QQ客服热线" src="/images/qqkefu//qq_1.png" /></div>
</div>