function videoSwitcherInit(video_ids) {
	video_id = video_ids.split("*");
	element = document.getElementById('video_switcher');
	
	if (video_id.length > 0) { //alespon jedno video
		if (video_id.length > 1) { //alespon dve videa, aby melo smysl zobrazovat switcher
			for (i = 0; i < video_id.length; i++) {
				element.innerHTML = element.innerHTML +	'<div id="part' + i + '" onclick="changeId(\'' + video_id[i] + '\'); changeActiveTab(\'' + video_id.length + '\', \'' + i + '\');"><h4>Part ' + (i + 1) + '</h4></div>';
			}
		}
		//nahrajeme do prehravace prvni video a nastavime prvni zalozku jako aktivni
		document.getElementById('flashvideo').innerHTML = '<embed style="width:400px; height:326px;" id="VideoPlayback" type="application/x-shockwave-flash" src="http://video.google.com/googleplayer.swf?docId=' + video_id[0] + '&hl=en" flashvars=""> </embed>';
		changeActiveTab(video_id.length, 0);
	}
}

function changeId(id) {
	document.getElementById('flashvideo').innerHTML = '<embed style="width:400px; height:326px;" id="VideoPlayback" type="application/x-shockwave-flash" src="http://video.google.com/googleplayer.swf?docId=' + id + '&hl=en" flashvars=""> </embed>';
}

function changeActiveTab(count, index) {
	for (i = 0; i < count; i++) {
		document.getElementById('part' + i).className = ((index == i) ? ('active') : (''));
	}
}