function closeCurrentLayer() {
	var layer = document.getElementById(guide.Scene.getInstance().currentLayer);
	if (layer) {
		layer.style.display = 'none';
	}
}

function licModelsClick(sender, args) {

	var video = sender.findName("video");
	video.pause();
	video.isMuted = true;
	sender.findName("subLine1").text = "                            Vyberte si z výše uvedené nabídky";
	sender.findName("subLine2").text = "";
	var layer = document.getElementById('licModels');
	closeCurrentLayer();
	guide.Scene.getInstance().currentLayer = 'licModels';
	layer.style.display = 'block';
	var audio = sender.findName("audio");
	
	var track = document.getElementById("track");
	track.src = "http://www.microsoft.cz/virtualnipruvodce/track/licence-01-licencni-modely.txt";
	
	try {
		audio.setSource(guide.Scene.getInstance().a1loader, "prehled-lic-modelu.mp3");
		audio.play();
	} catch (error) {}
}

function licOffersClick (sender, args) {
	sender.findName("subLine1").text = "                            Vyberte si z výše uvedené nabídky";
	sender.findName("subLine2").text = "";
	var layer = document.getElementById('licOffers');
	closeCurrentLayer();
	guide.Scene.getInstance().currentLayer = 'licOffers';
	layer.style.display = 'block';
	var video = sender.findName("video");
	video.pause();
	var audio = sender.findName("audio");
	
	var track = document.getElementById("track");
	track.src = "http://www.microsoft.cz/virtualnipruvodce/track/licence-02-aktualni-vyhodne-nabidky.txt";

	try {
		audio.setSource(guide.Scene.getInstance().a1loader, "aktualni-vyhodne-nabidky.mp3");
		audio.play();
	} catch (error) {}
}

function licSupportClick(sender, args) {
	sender.findName("subLine1").text = "                            Vyberte si z výše uvedené nabídky";
	sender.findName("subLine2").text = "";
	var layer = document.getElementById('licSupport');
	closeCurrentLayer();
	guide.Scene.getInstance().currentLayer = 'licSupport';
	layer.style.display = 'block';
	var video = sender.findName("video");
	video.pause();
	var audio = sender.findName("audio");

	var track = document.getElementById("track");
	track.src = "http://www.microsoft.cz/virtualnipruvodce/track/licence-03-kontakt-na-podporu.txt";
	
	try {
		audio.setSource(guide.Scene.getInstance().a1loader, "kontakt-na-podporu.mp3");
		audio.play();
	} catch (error) {}
}

function licWizardClick(sender, args) {
	sender.findName("subLine1").text = "                            Vyberte si z výše uvedené nabídky";
	sender.findName("subLine2").text = "";
	var layer = document.getElementById('licWizard');
	closeCurrentLayer();
	guide.Scene.getInstance().currentLayer = 'licWizard';
	layer.style.display = 'block';
	var video = sender.findName("video");
	video.pause();
	var audio = sender.findName("audio");
	
	var track = document.getElementById("track");
	track.src = "http://www.microsoft.cz/virtualnipruvodce/track/licence-04-licencni-pruvodce.txt";

	try {
		audio.setSource(guide.Scene.getInstance().a1loader, "stahnuti.mp3");
		audio.play();
	} catch (error) {}
}

function supPagesClick(sender, args) {
	sender.findName("subLine1").text = "                            Vyberte si z výše uvedené nabídky";
	sender.findName("subLine2").text = "";
	var layer = document.getElementById('supPages');
	closeCurrentLayer();
	guide.Scene.getInstance().currentLayer = 'supPages';
	layer.style.display = 'block';
	var video = sender.findName("video");
	video.pause();
	var audio = sender.findName("audio");
	
	var track = document.getElementById("track");
	track.src = "http://www.microsoft.cz/virtualnipruvodce/track/support-01-webove-stranky.txt";

	try {
		audio.setSource(guide.Scene.getInstance().a2loader, "web-stranky.mp3");
		audio.play();
	} catch (error) {}
}

function supOnlineClick(sender, args) {
	sender.findName("subLine1").text = "                            Vyberte si z výše uvedené nabídky";
	sender.findName("subLine2").text = "";
	var layer = document.getElementById('supOnline');
	closeCurrentLayer();
	guide.Scene.getInstance().currentLayer = 'supOnline';
	layer.style.display = 'block';
	var video = sender.findName("video");
	video.pause();
	var audio = sender.findName("audio");
	
	var track = document.getElementById("track");
	track.src = "http://www.microsoft.cz/virtualnipruvodce/track/support-02-online-podpora.txt";

	try {
		audio.setSource(guide.Scene.getInstance().a2loader, "online-tech-podpora.mp3");
		audio.play();
	} catch (error) {}
}

function supDownloadClick(sender, args) {
	sender.findName("subLine1").text = "                            Vyberte si z výše uvedené nabídky";
	sender.findName("subLine2").text = "";
	var layer = document.getElementById('supDownload');
	closeCurrentLayer();
	guide.Scene.getInstance().currentLayer = 'supDownload';
	layer.style.display = 'block';
	var video = sender.findName("video");
	video.pause();
	var audio = sender.findName("audio");
	
	var track = document.getElementById("track");
	track.src = "http://www.microsoft.cz/virtualnipruvodce/track/support-03-centrum-stahovani.txt";

	try {
		audio.setSource(guide.Scene.getInstance().a2loader, "centrum-stahovani.mp3");
		audio.play();
	} catch (error) {}
}

function supAboutClick(sender, args) {
	sender.findName("subLine1").text = "                            Vyberte si z výše uvedené nabídky";
	sender.findName("subLine2").text = "";
	var layer = document.getElementById('supAbout');
	closeCurrentLayer();
	guide.Scene.getInstance().currentLayer = 'supAbout';
	layer.style.display = 'block';
	var video = sender.findName("video");
	video.pause();
	var audio = sender.findName("audio");
	
	var track = document.getElementById("track");
	track.src = "http://www.microsoft.cz/virtualnipruvodce/track/support-04-o-partnerech.txt";

	try {
		audio.setSource(guide.Scene.getInstance().a2loader, "partneri-microsoft.mp3");
		audio.play();
	} catch (error) {}
}

function parPortalClick(sender, args) {
	sender.findName("subLine1").text = "                            Vyberte si z výše uvedené nabídky";
	sender.findName("subLine2").text = "";
	var layer = document.getElementById('parPortal');
	closeCurrentLayer();
	guide.Scene.getInstance().currentLayer = 'parPortal';
	layer.style.display = 'block';
	var video = sender.findName("video");
	video.pause();
	var audio = sender.findName("audio");
	
	var track = document.getElementById("track");
	track.src = "http://www.microsoft.cz/virtualnipruvodce/track/partneri-01-partnersky-portal.txt";

	try {
		audio.setSource(guide.Scene.getInstance().a3loader, "partnersky-portal.mp3");
		audio.play();
	} catch (error) {}
}

function parProgramClick(sender, args) {
	sender.findName("subLine1").text = "                            Vyberte si z výše uvedené nabídky";
	sender.findName("subLine2").text = "";
	var layer = document.getElementById('parProgram');
	closeCurrentLayer();
	guide.Scene.getInstance().currentLayer = 'parProgram';
	layer.style.display = 'block';
	var video = sender.findName("video");
	video.pause();
	var audio = sender.findName("audio");
	
	var track = document.getElementById("track");
	track.src = "http://www.microsoft.cz/virtualnipruvodce/track/partneri-02-partnersky-program.txt";

	try {
		audio.setSource(guide.Scene.getInstance().a3loader, "partnersky-program.mp3");
		audio.play();
	} catch (error) {}
}

function parActionsClick(sender, args) {
	sender.findName("subLine1").text = "                            Vyberte si z výše uvedené nabídky";
	sender.findName("subLine2").text = "";
	var layer = document.getElementById('parActions');
	closeCurrentLayer();
	guide.Scene.getInstance().currentLayer = 'parActions';
	layer.style.display = 'block';
	var video = sender.findName("video");
	video.pause();
	var audio = sender.findName("audio");
	
	var track = document.getElementById("track");
	track.src = "http://www.microsoft.cz/virtualnipruvodce/track/partneri-03-akcni-nabidky.txt";

	try {
		audio.setSource(guide.Scene.getInstance().a3loader, "akcni-nabidky.mp3");
		audio.play();
	} catch (error) {}
}

function parLearningClick(sender, args) {
	sender.findName("subLine1").text = "                            Vyberte si z výše uvedené nabídky";
	sender.findName("subLine2").text = "";
	var layer = document.getElementById('parLearning');
	closeCurrentLayer();
	guide.Scene.getInstance().currentLayer = 'parLearning';
	layer.style.display = 'block';
	var video = sender.findName("video");
	video.pause();
	var audio = sender.findName("audio");
	
	var track = document.getElementById("track");
	track.src = "http://www.microsoft.cz/virtualnipruvodce/track/partneri-04-skolici-program.txt";

	try {
		audio.setSource(guide.Scene.getInstance().a3loader, "skoleni-partneru.mp3");
		audio.play();
	} catch (error) {}
}

function comCenterClick(sender, args) {
	sender.findName("subLine1").text = "                            Vyberte si z výše uvedené nabídky";
	sender.findName("subLine2").text = "";
	var layer = document.getElementById('comCenter');
	closeCurrentLayer();
	guide.Scene.getInstance().currentLayer = 'comCenter';
	layer.style.display = 'block';
	var video = sender.findName("video");
	video.pause();
	var audio = sender.findName("audio");
	
	var track = document.getElementById("track");
	track.src = "http://www.microsoft.cz/virtualnipruvodce/track/firmy-01-centrum-firem.txt";

	try {
		audio.setSource(guide.Scene.getInstance().a4loader, "skoleni-partneru.mp3");
		audio.play();
	} catch (error) {}
}

function comOverviewClick(sender, args) {
	sender.findName("subLine1").text = "                            Vyberte si z výše uvedené nabídky";
	sender.findName("subLine2").text = "";
	var layer = document.getElementById('comOverview');
	closeCurrentLayer();
	guide.Scene.getInstance().currentLayer = 'comOverview';
	layer.style.display = 'block';
	var video = sender.findName("video");
	video.pause();
	var audio = sender.findName("audio");
	
	var track = document.getElementById("track");
	track.src = "http://www.microsoft.cz/virtualnipruvodce/track/firmy-02-prehled-reseni.txt";

	try {
		audio.setSource(guide.Scene.getInstance().a4loader, "prehled-reseni.mp3");
		audio.play();
	} catch (error) {}
}

function comSecurityClick(sender, args) {
	sender.findName("subLine1").text = "                            Vyberte si z výše uvedené nabídky";
	sender.findName("subLine2").text = "";
	var layer = document.getElementById('comSecurity');
	closeCurrentLayer();
	guide.Scene.getInstance().currentLayer = 'comSecurity';
	layer.style.display = 'block';
	var video = sender.findName("video");
	video.pause();
	var audio = sender.findName("audio");
	
	var track = document.getElementById("track");
	track.src = "http://www.microsoft.cz/virtualnipruvodce/track/firmy-03-bezpecnostni-nastroje.txt";

	try {
		audio.setSource(guide.Scene.getInstance().a4loader, "bezpecnost-it-reseni.mp3");
		audio.play();
	} catch (error) {}
}

function comCSupportClick(sender, args) {
	sender.findName("subLine1").text = "                            Vyberte si z výše uvedené nabídky";
	sender.findName("subLine2").text = "";
	var layer = document.getElementById('comCSupport');
	closeCurrentLayer();
	guide.Scene.getInstance().currentLayer = 'comCSupport';
	layer.style.display = 'block';
	var video = sender.findName("video");
	video.pause();
	var audio = sender.findName("audio");
	
	var track = document.getElementById("track");
	track.src = "http://www.microsoft.cz/virtualnipruvodce/track/firmy-04-poradce-a-podpora.txt";

	try {
		audio.setSource(guide.Scene.getInstance().a4loader, "prehled-dostupne-podpory.mp3");
		audio.play();
	} catch (error) {}
}