var how_many_ads = 3; // change this depending on the number of banners
var now = new Date()
var sec = now.getSeconds()
var ad = sec % how_many_ads;
ad +=1;

if (ad==1) {
url="http://www.jdoqocy.com/gi104lnwtnvAKECCKGACBFJDCDB";
banner="http://www.tqlkg.com/g677elpdjh2C644C82437B5453";
alt="Skype.com";
}
if (ad==2) {
url="http://www.dpbolvw.net/n870y1A719PZTRRZVPRQVSQQYQ";
banner="http://www.ftjcfx.com/s797ax0pvtEOIGGOKEGFKHFFNF";
alt="CallWave Fax";
}
if (ad==3) {
url="http://www.jdoqocy.com/4l117ar-xrzEOIGGOKEGFLNIFIH";
banner="http://www.tqlkg.com/i5116p59y31NXRPPXTNPOUWRORQ";
alt="Dropbox";
}


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