var ads = [];
ads.push(['<a href="http://v.ttymq.com/index.php/playlist/view/168" target="_blank"><img src="http://img1.ttymq.com/201112/18/2_1324184134Z380.jpg" height="100" width="690" alt="2011世界羽联总决赛" border="0"></a>', 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]);