function adExist(){
	img = document.getElementById('lightboxImage');
	if(adsEnabled && adsArray[img.src]){
		imgAd = document.getElementById('lightboxAd');
		imgAd.src = adsArray[img.src];
		return true;
	}else{
		return false;
	}
}

function adSetWidth(w){
	if(adExist()){
		img = document.getElementById('lightboxImage');
		w += adsArray[img.src+'-w'];
	}
	return w;
}

function adSetHeight(h){
	if(adExist()){
		img = document.getElementById('lightboxImage');
		h1 = adsArray[img.src+'-h'];
		if(h1 > h){
			h = h1;
		}
		td = document.getElementById('withAdContainer');
		td.height = h;
	}
	
	return h;
}