var ad_count = 6;
var now = new Date()
var sec = now.getSeconds()
var ad = sec % ad_count;
ad +=1;
if (ad==1) {
url="katalog/velike/005.jpg";
alt="";
banner="katalog/male/005.jpg";
width="190";
height="143";
}
if (ad==2) {
url="katalog/velike/SN150004.jpg";
alt="";
banner="katalog/male/SN150004.jpg";
width="190";
height="143";
}
if (ad==3) {
url="katalog/velike/SN150007.jpg";
alt="";
banner="katalog/male/SN150007.jpg";
width="190";
height="143";
}
if (ad==4) {
url="katalog/velike/DSC02000.jpg";
alt="";
banner="katalog/male/DSC02000.jpg";
width="190";
height="143";
}
if (ad==5) {
url="katalog/velike/DSC01993.jpg";
alt="";
banner="katalog/male/DSC01993.jpg";
width="190";
height="143";
}
if (ad==6) {
url="katalog/velike/rondo-mostar.jpg";
alt="";
banner="katalog/male/rondo-mostar.jpg";
width="190";
height="143";
}

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