<div id='gframe'>
// je google adsense code hier.
</div>
<script type="text/javascript">
function aa(){
ifr = document.getElementById('gframe').getElementsByTagName("iframe")[0];
if(ifr == null){
document.getElementsByTagName("body")[0].innerHTML = "Adblocker is installed, please disable to visit this website.";
} else {
if(ifr.document.getElementsByTagName("*")[0].tagName != "HTML"){
document.getElementsByTagName("body")[0].innerHTML = "Adblocker is installed, please disable to visit this website.";
}
}
}
setTimeout(aa, 1000);
</script>