function AD160(){

var how_many_ads = 4;
var now = new Date();
var sec = now.getSeconds();
var ad = sec % how_many_ads;
ad +=1;
if (ad==1){ 
url="http://www.benbenniao.com/";
alt="±¿±¿Äñ";
banner="upload/2009_9_9_16_56_52_4484.jpg";
width="160";
height="195";
}


if (ad==2){ 
url="http://www.huanier.com/";
alt="»ªÄá¶û";
banner="upload/2009_9_9_16_57_25_7481.jpg";
width="160";
height="195";
}


if (ad==3){ 
url="http://www.xuege.com/";
alt="Ñ©¸è·þÊÎ";
banner="upload/2009_12_22_11_7_53_8858.jpg";
width="160";
height="195";
}


if (ad==4){ 
url="http://www.septwolves.com/";
alt="ÆßÆ¥ÀÇ";
banner="upload/2009_12_22_11_9_39_7571.jpg";
width="160";
height="195";
}


document.write('<a href=' + url +' target=_blank>');
document.write('<img src=' + banner + ' width=');
document.write(width + ' height=' + height + ' '); 
document.write('alt=' + alt + ' border=0>'); 


}