function changePlaylist(){
	var totalVideos = document.getElementById("totalVideos").value;
	var selectedPlaylist = document.getElementById("selectedPlaylist").value;
	var videosPerPlaylist = document.getElementById("videosPerPlaylist").value;
	
	for (i = 1; i <= Math.ceil(totalVideos/videosPerPlaylist); i++) {
		if (i == selectedPlaylist){
			document.getElementById("playlist_"+i).style.display = 'block';
		}else{
			document.getElementById("playlist_"+i).style.display = 'none';
		}
	}
	if (selectedPlaylist == 1){
		document.getElementById("playlistPrevious").style.display = 'none';
	}else{
		document.getElementById("playlistPrevious").style.display = 'inline';
	}
	if (selectedPlaylist == Math.ceil(totalVideos/videosPerPlaylist)){
		document.getElementById("playlistNext").style.display = 'none';
	}else{
		document.getElementById("playlistNext").style.display = 'inline';
	}
	if(Math.ceil(totalVideos/videosPerPlaylist)!=1){
		document.getElementById("playlistPagination").innerHTML = selectedPlaylist+' of '+Math.ceil(totalVideos/videosPerPlaylist);
	}
}