javascript 得到连接巨难问题！

这个网址必须有特征,变有不变!例子:
<body>
<A HREF="http://www.51windows.Net">51windows</A>
<A HREF="http://www.csdn.Net">csdn</A>
<A class='love' href='http://www.sina.com.cn/love.dll?clickthrough&amp;y=48609&amp;x=PPJ:t9ex8LM0YgAGQyIo;QJhPOO3OsVO9eJrYOe19LJ0;YY1oZJZty9;7CJP:LWO7q9mQP4tPZU:gQrW71VUn8VM;s2HPWuxfhtWuuhutLtmuQqp3ObWdqmwCNU6OCyiCsYOg1;LnL4jjsOPzNm;TQOfYLMkO6kIo' onMouseOver="status='https://secure.ipowerweb.com/cgi-bin/tracker/tracker.cgi?rid=findwhat';return true;" onMouseOut="status='';">xx</a>
<SCRIPT LANGUAGE="JavaScript">
<!--
function golinks()
{
var link=document.all.tags("A")
var total=link.length
for (i=0;i<total;i++)
{
if (link[i].href.indexOf("51windows.")!=-1)
{
//window.open(link[i].href,"","");
location.href = link[i].href
}
}
}
//-->
</SCRIPT>
<button onclick='golinks();'>确定</button>