Cara Membuat Iklan Random Seperti Detik.com

1. Masuk ke Akun Blog anda
2. Klik Rancangan => Tambah Gadget => HTML JavaScript
3. Copy kode dibawah ini dan letakan dikotak HTML JavaScript

<script language="JavaScript">
<!-- Begin
var jumlah_iklan = 4;
var waktu_sekarang = new Date()
var detik = waktu_sekarang.getSeconds()
var pasang_iklan = detik % jumlah_iklan;
pasang_iklan +=1;
if (pasang_iklan==1) {
url="http://warungtutorial.com/";
alt="http://3.bp.blogspot.com/-nGdcyDM2PSk/TwNfh7bYcZI/AAAAAAAABBU/SWTMeiGhCtQ/s1600/imgad.jpg";
banner="http://3.bp.blogspot.com/-nGdcyDM2PSk/TwNfh7bYcZI/AAAAAAAABBU/SWTMeiGhCtQ/s1600/imgad.jpg";
width="300";
height="250";
}
if (pasang_iklan==2) {
url="http://warungtutorial.com/";
alt="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjJMXMwlY391NYQMB3Q6YCcxazTDaXJ_MS83s1oMuJs3tw4DrIcCbZ3uz-R9Q80otxvT5HppYarPSCFU0r8PJdxlLfAXtQ3xs092ZyMmIplxGlsmkxhrXb2x__DuO4WzSqEfH2OeWepISw/s1600/gadget300-250_2.jpg";
banner="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjJMXMwlY391NYQMB3Q6YCcxazTDaXJ_MS83s1oMuJs3tw4DrIcCbZ3uz-R9Q80otxvT5HppYarPSCFU0r8PJdxlLfAXtQ3xs092ZyMmIplxGlsmkxhrXb2x__DuO4WzSqEfH2OeWepISw/s1600/gadget300-250_2.jpg";
width="300";
height="250";
}
if (pasang_iklan==3) {
url="http://warungtutorial.com/";
alt="http://1.bp.blogspot.com/-WpyMR0DwokA/TwNff4GUPmI/AAAAAAAABBM/Jcz357vWM-o/s1600/imgad.gif";
banner="http://1.bp.blogspot.com/-WpyMR0DwokA/TwNff4GUPmI/AAAAAAAABBM/Jcz357vWM-o/s1600/imgad.gif";
width="300";
height="250";
}
if (pasang_iklan==4) {
url="http://warungtutorial.com/";
alt="http://1.bp.blogspot.com/-WpyMR0DwokA/TwNff4GUPmI/AAAAAAAABBM/Jcz357vWM-o/s1600/imgad.gif";
banner="http://1.bp.blogspot.com/-WpyMR0DwokA/TwNff4GUPmI/AAAAAAAABBM/Jcz357vWM-o/s1600/imgad.gif";
width="300";
height="250";
}
document.write('<center>');
document.write('<a href=\"' + url + '\" target=\"_top\">');
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>');
// End -->
</script>

Ganti kode yang berwarna Merah dengan alamat tujuan iklan anda
Ganti kode yang berwarna Hijau dengan alamat gambar alternatif anda
Ganti kode yang berwarna Biru dengan  alamat gambar iklan anda

4. Simpan 

gimana jalan gak? kalo gak jalan lapor ya silahkan komen hehe