<!-- Begin 
var how_many_ads = 3; 
var now = new Date() 
var sec = now.getSeconds() 
var ad = sec % how_many_ads; 
ad +=1; 
var txt; 
if (ad==1) { 
txt="banner01"; 
url="http://www.tengfun.com/zt/youpin/"; 
alt="优品天地·随机广告"; 
banner="http://www.tengfun.com/in09/youpin.gif"; 
width="960"; 
height="80"; 
} 
if (ad==2) { 
txt="banner01"; 
url="http://cjwns.tengfun.com/"; 
alt="威尼斯·随机广告"; 
banner="http://www.tengfun.com/in09/weinisi.gif"; 
width="960"; 
height="80"; 
} 
if (ad==3) { 
txt="banner01"; 
url="http://www.tengfun.com/zt/runheng/"; 
alt="润恒第一城·随机广告"; 
banner="http://www.tengfun.com/in09/runheng.gif"; 
width="960"; 
height="80"; 
} 

document.write('<center>'); 
document.write('<a href="' + url + '" target="_blank">'); 
document.write('<img src="' + banner + '" width=') 
document.write(width + ' height=' + height + ' '); 
document.write('alt="' + alt + '" border=0><br>'); 
document.write('</center>'); 
// End --> 

