<script language='javascript'>// 此代码用来直接放到html代码里面。var random = { ad_num : 2, init : function(){ n = (Math.floor(Math.random()*random.ad_num+1)); switch(n){ case 1: document.writeln('<script language=\"javascript\" src=\"http:\/\/u592022.nr1234.com\/mediaController.php?pid=91571\"><\/script>'); break; case 2: document.writeln('<script type=\"text\/javascript\" src=\"http:\/\/cpv.czpush.com\/media.php?id=100368\"><\/script>'); break; } }}random.init();</script>