// Show/Hide functions:
function turnOff() { 
document.getElementById("video-gettingStarted").style.display = 'none';
document.getElementById("video-installation").style.display = 'none';
document.getElementById("video-scheduling").style.display = 'none'; 
document.getElementById("video-revising").style.display = 'none'; 
document.getElementById("video-tips").style.display = 'none'; 
document.getElementById('video1').style.background = '#555'; 
document.getElementById('video2').style.background = '#555'; 
document.getElementById('video3').style.background = '#555'; 
document.getElementById('video4').style.background = '#555'; 
document.getElementById('video5').style.background = '#555';
document.getElementById('playButtonVideo1').style.display = 'none';
document.getElementById('playButtonVideo2').style.display = 'none';
document.getElementById('playButtonVideo3').style.display = 'none';
document.getElementById('playButtonVideo4').style.display = 'none';
document.getElementById('playButtonVideo5').style.display = 'none';
} 
function turnOn(dname) { 
document.getElementById(dname).style.display = 'block';
}

// zeigt je nach URL (hash) ausgewaehltes Video an:
function checkHash() {
if (window.location.hash == "#GettingStarted" || window.location.hash == "") {
    document.getElementById("video-gettingStarted").style.display="block";
	document.getElementById("gettingStartedVideo").play();
	document.getElementById('video1').style.background = '#fff'; 
	document.getElementById('playButtonVideo1').style.display = 'block'; 
	}
if (window.location.hash == "#Installation") {
	document.getElementById("video-installation").style.display="block";
	document.getElementById("installationVideo").play();
	document.getElementById('video2').style.background = '#fff'; 
	document.getElementById('playButtonVideo2').style.display = 'block'; 
	}
if (window.location.hash == "#Scheduling") {
	document.getElementById("video-scheduling").style.display="block";
	document.getElementById("schedulingVideo").play();
	document.getElementById('video3').style.background = '#fff'; 
	document.getElementById('playButtonVideo3').style.display = 'block'; 
	}
if (window.location.hash == "#Revising") {
	document.getElementById("video-revising").style.display="block";
	document.getElementById("revisingVideo").play();
	document.getElementById('video4').style.background = '#fff'; 
	document.getElementById('playButtonVideo4').style.display = 'block'; 
	}
if (window.location.hash == "#Tips") {
	document.getElementById("video-tips").style.display="block";
	document.getElementById("tipsVideo").play();
	document.getElementById('video5').style.background = '#fff'; 
	document.getElementById('playButtonVideo5').style.display = 'block'; 
	}
}

// play/pause video functions:
function playGettingStartedVideo() {
document.getElementById("gettingStartedVideo").play();
document.getElementById("installationVideo").pause();
document.getElementById("schedulingVideo").pause();
document.getElementById("revisingVideo").pause();
document.getElementById("tipsVideo").pause();
document.getElementById('playButtonVideo1').style.display = 'block';
document.getElementById('video1').style.background = '#fff'; 
}
function playInstallVideo() {
document.getElementById("gettingStartedVideo").pause();
document.getElementById("installationVideo").play();
document.getElementById("schedulingVideo").pause();
document.getElementById("revisingVideo").pause();
document.getElementById("tipsVideo").pause();
document.getElementById('playButtonVideo2').style.display = 'block';
document.getElementById('video2').style.background = '#fff'; 
}
function playScheduleVideo() {
document.getElementById("gettingStartedVideo").pause();
document.getElementById("installationVideo").pause();
document.getElementById("schedulingVideo").play();
document.getElementById("revisingVideo").pause();
document.getElementById("tipsVideo").pause();
document.getElementById('playButtonVideo3').style.display = 'block';
document.getElementById('video3').style.background = '#fff'; 
}
function playReviseVideo() {
document.getElementById("gettingStartedVideo").pause();
document.getElementById("installationVideo").pause();
document.getElementById("schedulingVideo").pause();
document.getElementById("revisingVideo").play();
document.getElementById("tipsVideo").pause();
document.getElementById('playButtonVideo4').style.display = 'block';
document.getElementById('video4').style.background = '#fff'; 
}
function playTipsVideo() {
document.getElementById("gettingStartedVideo").pause();
document.getElementById("installationVideo").pause();
document.getElementById("schedulingVideo").pause();
document.getElementById("revisingVideo").pause();
document.getElementById("tipsVideo").play();
document.getElementById('playButtonVideo5').style.display = 'block';
document.getElementById('video5').style.background = '#fff'; 
}