function alpha_on(id)
{
  document.getElementById(id).style.visibility = "visible";
}
function alpha_off(id)
{
  document.getElementById(id).style.visibility = "hidden";
}

function openHelp() {
	var helpWin = window.open('http://localhost/louis/projekte/schaefer/de/videohilfe','Hilfe','toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=0,resizable=0,left=50,top=50,width=600,height=500');
	helpWin.focus();
}
// Play Videos
var VideoFilePath = 'http://www.louismedia.de/videos/schaefer/';
var SelectedVideoFile = '';
var SelectedVideoWidth = '';
var SelectedVideoHeight = '';

function SelectVideoFile(VideoFileName,VideoType,VideoWidth,VideoHeight)
{
	SelectedVideoFile = VideoFilePath + VideoFileName + VideoFileExtType[VideoType];
	SelectedVideoWidth = VideoWidth;
	SelectedVideoHeight = VideoHeight;
}

function PlayVideo()
{
	openVideoWin(SelectedVideoFile,SelectedVideoWidth,SelectedVideoHeight,0,0,true,true,false,true)
}