JavaScript 实现单链接触发多个跳转地址

<script type="text/javascript">
<!--
function adClick(ad, site) {
 window.open(ad);
 window.location = site;
}
-->
</script>
<a href="javascript:adClick('http://www.163.com/','https://www.jb51.net/');">
一个链接打开两个链接地址</a>