function getArg(argName, defaultValue) {
	var args = window.location.href, p = args.indexOf(argName + "="), s = defaultValue || "";
	if (p != -1) {
		var p2 = args.indexOf("&", p + 1), s = "";
		if (p2 == -1)
			p2 = args.length;
		p += argName.length + 1;
		s = args.substr(p, p2 - p);
	}
	return unescape(s);
}

function play(file, fileHD) {
	var folder = window.location.href, s;
	folder = folder.substr(0, folder.lastIndexOf("/"));
	file = escape(folder + "/" + file);
	s = "/FLV_Player/videoPlayer.htm?file=" + file;
	if (fileHD) {
		fileHD = escape(folder + "/" + fileHD);
		s += "&fileHD=" + fileHD;
	}
	window.parent.videoPlayer.location.href = s;
}