var how_many_ads = 28;
var now = new Date()
var sec = now.getSeconds()
var ad = sec % how_many_ads;
ad +=1;
if (ad==1) {
txt="";
url="";
alt="";
banner="images/cao_01.jpg";
width="179";
height="222";
}
if (ad==2) {
txt="";
alt="";
banner="images/cao_02.jpg";
width="179";
height="222";
}
if (ad==3) {
txt="";
alt="";
banner="images/cao_03.jpg";
width="179";
height="222";
}
if (ad==4) {
txt="";
alt="";
banner="images/cao_04.jpg";
width="179";
height="222";
}
if (ad==5) {
txt="";
alt="";
banner="images/cao_05.jpg";
width="179";
height="222";
}
if (ad==6) {
txt="";
alt="";
banner="images/cao_06.jpg";
width="179";
height="222";
}
if (ad==7) {
txt="";
alt="";
banner="images/cao_07.jpg";
width="179";
height="222";
}
if (ad==8) {
txt="";
alt="";
banner="images/cao_08.jpg";
width="179";
height="222";
}
if (ad==9) {
txt="";
alt="";
banner="images/cao_09.jpg";
width="179";
height="222";
}
if (ad==10) {
txt="";
alt="";
banner="images/cao_10.jpg";
width="179";
height="222";
}
if (ad==11) {
txt="";
alt="";
banner="images/cao_11.jpg";
width="179";
height="222";
}
if (ad==12) {
txt="";
alt="";
banner="images/cao_12.jpg";
width="179";
height="222";
}
if (ad==13) {
txt="";
alt="";
banner="images/cao_13.jpg";
width="179";
height="222";
}
if (ad==14) {
txt="";
alt="";
banner="images/cao_14.jpg";
width="179";
height="222";
}
if (ad==15) {
txt="";
alt="";
banner="images/cao_15.jpg";
width="179";
height="222";
}
if (ad==16) {
txt="";
alt="";
banner="images/cao_16.jpg";
width="179";
height="222";
}
if (ad==17) {
txt="";
alt="";
banner="images/cao_17.jpg";
width="179";
height="222";
}
if (ad==18) {
txt="";
alt="";
banner="images/cao_18.jpg";
width="179";
height="222";
}
if (ad==19) {
txt="";
alt="";
banner="images/cao_19.jpg";
width="179";
height="222";
}
if (ad==20) {
txt="";
url="";
alt="";
banner="images/cao_20.jpg";
width="179";
height="222";
}
if (ad==21) {
txt="";
url="";
alt="";
banner="images/cao_21.jpg";
width="179";
height="222";
}
if (ad==22) {
txt="";
url="";
alt="";
banner="images/cao_22.jpg";
width="179";
height="222";
}
if (ad==23) {
txt="";
url="";
alt="";
banner="images/cao_23.jpg";
width="179";
height="222";
}
if (ad==24) {
txt="";
url="";
alt="";
banner="images/cao_24.jpg";
width="179";
height="222";
}
if (ad==25) {
txt="";
url="";
alt="";
banner="images/cao_25.jpg";
width="179";
height="222";
}
if (ad==26) {
txt="";
url="";
alt="";
banner="images/cao_26.jpg";
width="179";
height="222";
}
if (ad==27) {
txt="";
url="";
alt="";
banner="images/cao_27.jpg";
width="179";
height="222";
}
if (ad==28) {
txt="";
url="";
alt="";
banner="images/cao_28.jpg";
width="179";
height="222";
}
document.write('<center>');
document.write('<img src=\"' + banner + '\" width=')
document.write(width + ' height=' + height + ' ');
document.write('alt=\"' + alt + '\" border=0><br>');
document.write('<small>' + txt + '</small></a>');
document.write('</center>');