var ads = [];
ads.push(['<script type="text/javascript">/*580*90，创建于2011-7-27*/ var cpro_id = \'u555074\';</'+'script><script src="http://cpro.baidu.com/cpro/ui/c.js" type="text/javascript"></'+'script>', 0, 0]);
var index = Math.floor(Math.random()*ads.length);
var today = new Date();
var i = 0;
while(((ads[index][1] > 0 && ads[index][1] * 1000 > today) 
|| ((ads[index][2] > 0 && ads[index][2] * 1000 < today))) 
&& i < 30) {
index = Math.floor(Math.random()*ads.length);
i++;
}
document.write(ads[index][0]);