function avDelay(videoName) {
	//clearInterval(intervalIds['<?= $videoName ?>']); intervalIds['<?= $videoName ?>'] = setInterval('avDelay(\'<?= $videoName ?>\')', 500);
	var status = document.getElementById(videoName + "_status");
	status.innerHTML = document[videoName + "_video"].GetBufferingTimeRemaining();
	
	if (document[videoName + "_video"].GetBufferingTimeRemaining() == 0) {
		clearInterval(intervalIds[videoName]);
		document[videoName + "_video"].DoPlay();
	}
}