var how_many_ads = 3; 
var now = new Date()
var sec = now.getSeconds() 
var ad = sec % how_many_ads; 
ad +=1; 
if (ad==1) { 
url="http://surveyscb.com/cash_surveys_only.htm"; 
alt="Cash Surveys Only"; 
banner="http://surveyscb.com/images/125cashsurveysonly.gif"; 
width="125"; 
height="125";
}
if (ad==2) { 
url="http://surveyscb.com/get_cash_for_surveys.htm"; 
alt="Get Cash For Surveys"; 
banner="http://surveyscb.com/images/125getcashforsurveys.gif"; 
width="125"; 
height="125";
}
if (ad==3) { 
url="http://surveyscb.com/dollarfrog.htm"; 
alt="Paid Online Surveys"; 
banner="http://surveyscb.com/images/125dollarfrog.gif"; 
width="125"; 
height="125";
}
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>');