function advertisementCounter (){
	count++;
	if(showTextTimer) document.getElementById('advertisementTimerText').innerHTML = textArray['timerText'].replace('%gameTimer%', (duration - count));
	if(showLoadingBar){
		document.getElementById('loadingBarGame').style.width = (200 - Math.round(((duration - count) / duration ) * 200))  + 'px';
	}
	if(document.getElementById('iFrameHolder')) document.getElementById('iFrameHolder').style.height = '0';
	if(count - duration >= 0){ 
		prerollDone();
	}else{
		setTimeout("advertisementCounter()", 1000);
	}
}
function prerollDone(){
	doneLoading = true;
	duration = 0;
	if(document.getElementById('prerollAdvertisement')) document.getElementById('prerollAdvertisement').style.display = 'none';
	if(document.getElementById('iFrameHolder')) document.getElementById('iFrameHolder').style.visibility = 'visible';
	if(document.getElementById('iFrameHolder')) document.getElementById('iFrameHolder').style.height = gameHeight+'px';
}