function showVideo(url, title, width, height) {
	var window = new Ext.Window({
		title: title,
		width: width,
		height: height,
		html: '<iframe src="' + url + '" width="' + width + '" height="' + height + '" />',
		modal: true,
		draggable: false,
		resizable: false
	});
	window.show();
}