/** 
 * Tell the flash to play the video
 */
function playVideo(contentId, fromPlaylist, fromTodaysTheme) {
	if (window.parent) {
		// if parent exists, this is call is coming from a frame
		if (window.parent.getFlashObject("mediaroom_player")) {
			window.parent.getFlashObject("mediaroom_player").playVideo(contentId); 
			
			// when video is selected, jump to top of page
			var href = window.parent.location.href.split("#");
			window.parent.location.href = href[0] + "#player_area";
		}

		if (fromTodaysTheme) {
			window.parent.playFromTodaysTheme = fromTodaysTheme;
			window.parent.currentTodaysThemeVideo = contentId;
			updateTodaysThemeNext();
		} else {
			window.parent.playFromTodaysTheme = false;
			window.parent.currentTodaysThemeVideo = "";		
			updateTodaysThemeNext();
		}
		
		if (fromPlaylist) {
			window.parent.playFromPlaylist = fromPlaylist;
			window.parent.currentPlaylistVideo = contentId;
			if (window.parent.leftFrame.document.getElementById("playlist")) {
				window.parent.leftFrame.updatePlaylistNext();		
			}
		} else {
			window.parent.playFromPlaylist = false;
			window.parent.currentPlaylistVideo = "";
			if (window.parent.leftFrame.document.getElementById("playlist")) {
				window.parent.leftFrame.updatePlaylistNext();		
			}
		}			
	} 
}

/** 
 * Get the flash object based on object name and browser type
 */
function getFlashObject(objectName) {
    if (navigator.appName.indexOf("Microsoft") != -1) {
    	return window[objectName];
    } else {
 	  	return document[objectName];
    }
}


/**
 * On video end event; called from flash.<b>
 * Play the next thing in the playlist.
 */
function onVideoEnd(contentId) {
	var nextVideoId;
		
	if (window.parent.playFromPlaylist) {
		var sPlaylist = readCookie('mediaroom_playlist');
		if (sPlaylist != null) {
			var playlistArray = sPlaylist.split(",");
			playlistArray.pop();  
			
			// find the next video to play
			for (i in playlistArray) {	
				if (playlistArray[i] == contentId) {
					nextVideoId = new Number(i) + 1;
					break;
				}
			}
			
			// if the video was not found in the playlist, start at the beginning
			if (nextVideoId == undefined) {
				playVideo(playlistArray[0], true);		
				sendMediaroomEvent(this, 'playlist/autoplay/' + playlistArray[0] ,'http://www.tcm.com/mediaroom/index/?cid=' + playlistArray[0] + '&name=playlist_autoplay');
			} else if (nextVideoId < playlistArray.length) {
				playVideo(playlistArray[nextVideoId], true);	
				sendMediaroomEvent(this, 'playlist/autoplay/' + playlistArray[nextVideoId] ,'http://www.tcm.com/mediaroom/index/?cid=' + playlistArray[nextVideoId] + '&name=playlist_autoplay');
			}
		}
	} else if (window.parent.playFromTodaysTheme) {
		for (i in window.parent.todaysThemeList) { 
			var contentId = window.parent.todaysThemeList[i];
				
			// find the next video in today's theme and play
			if (window.parent.currentTodaysThemeVideo == contentId) {
				nextVideoId = window.parent.todaysThemeList[new Number(i) + 1];
				if (nextVideoId != undefined) {
					playVideo(nextVideoId, false, true);
					sendMediaroomEvent(this, 'todaystheme/autoplay/' + nextVideoId ,'http://www.tcm.com/mediaroom/index/?cid=' + nextVideoId + '&name=todaystheme_autoplay');
					break;
				}
			}
		}
	}
}

/**
 * Update the next indicator in Today's Theme
 */
function updateTodaysThemeNext() {
	var nextVideoId;
	for (i in window.parent.todaysThemeList) { 
		var contentId = window.parent.todaysThemeList[i];
			
		if (window.parent.currentTodaysThemeVideo == contentId) {
			nextVideoId = window.parent.todaysThemeList[new Number(i) + 1];
		}
		
		if (window.parent.leftFrame.document.getElementById("todays-table-" + contentId)) {
			if (window.parent.playFromTodaysTheme == true && nextVideoId == contentId) {
				window.parent.leftFrame.document.getElementById("todays-table-" + contentId).className = "playingNext";
				window.parent.leftFrame.document.getElementById("todays-next-" + contentId).style.display = "block";
				window.parent.leftFrame.document.getElementById("todays-hr-" + contentId).style.display = "none";
			} else {
				window.parent.leftFrame.document.getElementById("todays-table-" + contentId).className = "";
				window.parent.leftFrame.document.getElementById("todays-next-" + contentId).style.display = "none";
				window.parent.leftFrame.document.getElementById("todays-hr-" + contentId).style.display = "block";			
			}
		}
	}
}