// JScript 文件
  
var how_many_ads = 7 
var now = new Date() 
var sec = now.getSeconds() 
var ad = sec % how_many_ads; 
ad +=1; 
 
if (ad==1){ 
 
alt="ad1";  
banner="images/pic_24607.jpg"; 
width="246"; 
height="300"; 
} 

if (ad==2) {   

alt="ad2";  
banner="images/pic_24601.jpg";  
width="246"; 
height="300"; 
} 
  
if (ad==3) { 

alt="ad3"; 
banner="images/pic_24602.jpg"; 
width="246"; 
height="300"; 
}

if (ad==4) { 
 
alt="ad4"; 
banner="images/pic_24609.jpg"; 
width="246"; 
height="300"; 
}  

if (ad==5) { 

alt="ad5"; 
banner="images/pic_24606.jpg"; 
width="246"; 
height="300"; 
}  

if (ad==6) { 

alt="ad5"; 
banner="images/pic_24605.jpg"; 
width="246"; 
height="300"; 
}  

if (ad==7) { 

alt="ad5"; 
banner="images/pic_246010.jpg"; 
width="246"; 
height="300"; 
} 
  
document.write('<center>'); 
document.write('<img src=\"' + banner + '\" width=') 
document.write(width + ' height=' + height + ' '); 
document.write('alt=\"' + alt + '\" border=0><br>'); 
document.write('</center>');