function show_overlay(action, url, filmID, szeneID, imageID, szene, gesamt){
	if(action=='register'){
		document.getElementById('overlay-input').innerHTML='<iframe name="overlay-iframe" id="overlay-iframe" src="'+url+'iframe/register.php?downloadID=0" allowtransparency="true" marginheight="0" marginwidth="0" scrolling="auto" frameborder="0" width="750" style="width:750px; height:510px; border:0px; background:none;"></iframe>';
	}else if(action=='buyCREDITS'){
		document.getElementById('overlay-input').innerHTML='<iframe name="overlay-iframe" id="overlay-iframe" src="'+url+'iframe/buy-credits.php?downloadID=0" allowtransparency="true" marginheight="0" marginwidth="0" scrolling="auto" frameborder="0" width="750" style="width:750px; height:355px; border:0px; background:none;"></iframe>';	
	}else if(action=='download'){
		document.getElementById('overlay-input').innerHTML='<iframe name="overlay-iframe" id="overlay-iframe" src="'+url+'iframe/download.php?filmID='+filmID+'&szeneID='+szeneID+'&imageID='+imageID+'&szene='+szene+'&gesamt='+gesamt+'" allowtransparency="true" marginheight="0" marginwidth="0" scrolling="auto" frameborder="0" width="750" style="width:750px; height:310px; border:0px; background:none;"></iframe>';		
	}
	document.getElementById('overlay-black').style.display="inline";
	document.getElementById('overlay-container').style.display="inline";
	document.body.style.overflow="hidden";
}

function closeOverlay(special){
	parent.document.getElementById('overlay-black').style.display='none'; 
	parent.document.getElementById('overlay-container').style.display='none';
	document.body.style.overflow="auto";
	if(typeof special!='undefined'){
		window.setTimeout("refresh()",1);
	}
}

function refresh(){
	window.location.reload();
}

function updateCredits(credits){
	document.getElementById('current_credits').innerHTML=credits; 
}