function showVideo (videoid, height, width) {
	var left   = (screen.width  - width)/2;
	var top    = (screen.height - height)/2;
	var params = 'width='+width+', height='+height;
	params += ', top='+top+', left='+left;
	params += ', resizable=yes';
	var url = '/resources/videoplayer.html?video=' + videoid;
	var newwindow = window.open(url,'BiotekVideo',params);
}