<!-- Message Info Display + Check Language -->

	function language(lang)										// function calling by body onload
	{
		nav = navigator.appName;
		if(nav == "Microsoft Internet Explorer")							// browser-check = IE
		{
			if(document.all.MediaPlayer1)									// check AudioMediaPlayer exist
			{
				document.all.MediaPlayer1.style.visibility = "hidden";		// set visibilty of MediaPlayer = hidden
			}
			else
			{
			}
		}
		else
		{
		}

		g_LANG = lang;
	}

	function message(mes)													// function for display playstatus of mediafile and error messages in infdisplay
	{
		g_MES = mes;
		if (g_MES == "play_audio")											// check message = play_audio
		{		
			switch (g_LANG)													// check language
			{
				case "D":			g_audioTEXT = "Wiedergabe"; break;
				default:			g_audioTEXT = "Play"; break;
			}
			window.clearInterval(aktiv_video); 								// clear interval for calling timedisplay_video
			aktiv_audio = window.setInterval("timedisplay_audio()",1000);	// set interval for calling timedisplay_audio (intervaltime 1 sec)
			timedisplay_audio();											// calling timedsplay_audio to display start value
			document.all.audiostatus_display.innerHTML = g_audioTEXT;		// display audiostatus (PLAY)
		}
		else
		if (g_MES == "play_video")											// check message = play_video
		{		
			switch (g_LANG)													// check language
			{
				case "D":			g_videoTEXT = "Wiedergabe"; break;
				default:			g_videoTEXT = "Play"; break;
			}
			window.clearInterval(aktiv_audio); 								// clear interval for calling timedisplay_audio
			aktiv_video = window.setInterval("timedisplay_video()",1000);	// set interval for calling timedisplay_video (intervaltime 1 sec)
			timedisplay_video();											// calling timedsplay_video to display start value
			document.all.videostatus_display.innerHTML = g_videoTEXT;		// display videostatus (PLAY)
		}
		else
		if (g_MES == "pause_audio")											// check message = pause_audio
		{		
			switch (g_LANG)													// check language
			{
				case "D":			g_audioTEXT = "Pause"; break;
				default:			g_audioTEXT = "Pause"; break;
			}
			timedisplay_audio();											// calling timedsplay_audio to display the last value
			document.all.audiostatus_display.innerHTML = g_audioTEXT;		// display audiostatus (PAUSE)
		}
		else
		if (g_MES == "pause_video")											// check message = pause_video
		{																	// vide audio
			switch (g_LANG)
			{
				case "D":			g_videoTEXT = "Pause"; break;
				default:			g_videoTEXT = "Pause"; break;
			}
			timedisplay_video();
			document.all.videostatus_display.innerHTML = g_videoTEXT;
		}
		else
		if (g_MES == "stop_audio")											// check message = stop_audio
		{		
			switch (g_LANG)													// check language
			{
				case "D":			g_audioTEXT = "Stop"; break;
				default:			g_audioTEXT = "Stop"; break;
			}
			window.clearInterval(aktiv_video); 								// clear video intervall
			window.clearInterval(aktiv_audio); 								// clear audio intervall
			timedisplay_audio();											// calling timedsplay_audio to display the last value
			document.all.audiostatus_display.innerHTML = g_audioTEXT;		// display audiostatus (STOP)
		}
		else		
		if (g_MES == "stop_video")											// check message = stop_video
		{																	// vide audio
			switch (g_LANG)
			{
				case "D":			g_videoTEXT = "Stop"; break;
				default:			g_videoTEXT = "Stop"; break;
			}
			window.clearInterval(aktiv_audio); 
			window.clearInterval(aktiv_video); 
			timedisplay_video();
			document.all.videostatus_display.innerHTML = g_videoTEXT;
		}
		else		
		if (g_MES == "no_audio")											// check message = no_audio
		{
			switch (g_LANG)													// check language set global var infoTEXT
			{
				case "D":			g_infoTEXT = "Sie haben keinen Song ausgesucht !"; g_audioTEXT = ""; break;
				default:			g_infoTEXT = "Please choose a sound file !"; break;
			}
		}
		else
		if (g_MES == "no_audio_video")										// check message = no_audio_video
		{
			switch (g_LANG)													// check language set global var infoTEXT
			{
				case "D":			g_infoTEXT = "Sie haben keinen Song oder Video ausgesucht !"; break; 
				default:			g_infoTEXT = "Please choose a sound or video file !"; break;
			}
		}
		else
		if (g_MES == "no_video")											// check message = no_video
		{
			switch (g_LANG)													// check language set global var infoTEXT
			{
				case "D":			g_infoTEXT = "Sie haben kein Video ausgesucht !"; g_videoTEXT = ""; break;
				default:			g_infoTEXT = "Please choose a video file !"; break;
			}
		}
		document.all.info_display.innerHTML = g_infoTEXT;					// display global infoTEXT
	}