var photoAlbum = new slideshow("photoAlbum");
var playStatus=false;
function togglePlay() {
	if (playStatus) {
		photoAlbum.pause();
		playStatus=false;
		playBtn = document.getElementById('Play');
		playBtn.className = 'ShowPlayButton';
	} else {
		photoAlbum.play();
		playStatus=true;
		playBtn = document.getElementById('Play');
		playBtn.className = 'ShowPauseButton';
	}
}