VB 如何点击图片？

 VB 如何点击图片？
网页中的代码如下，如何自动点击图片上的链接,谢谢了呀<div id="tips_middle" style="width:500px;position: absolute;z-index: 1052; display:none"><img src="http://www.xxx.com/tip3.gif" border="0" usemap="#zhongji" />
<map name="zhongji" id="zhongji"><area shape="rect" coords="102,234,268,267" href="http://www.xxx.com/team/index.aspx" target="_blank" onclick="closeDiv('tips_middle')"/>
<area shape="rect" coords="322,236,430,267" href="http://www.xxx.com/team/index.aspx" target="_blank" onclick="closeDiv('tips_middle')"/>
</map></div>