public boolean openURL(String url) {
		String osName = System.getProperty("os.name");
		try {
			if (osName.startsWith("Mac OS")) {
				//doc
				Class fileMgr = Class.forName("com.apple.eio.FileManager");
				Method openURL = fileMgr.getDeclaredMethod("openURL",
						new Class[] { String.class });
				openURL.invoke(null, new Object[] { url });
			} else if (osName.startsWith("Windows")) {
				//Windows
				Runtime.getRuntime().exec(
						"rundll32 url.dll,FileProtocolHandler " + url);
			} else {
				//assume Unix or Linux
				String[] browsers = { "firefox", "opera", "konqueror",
						"epiphany", "mozilla", "netscape" };
				String browser = null;
				for (int count = 0; count < browsers.length && browser == null; count++) {
					if (Runtime.getRuntime().exec(
							new String[] { "which", browsers[count] })
							.waitFor() == 0) {
						browser = browsers[count];
					}
				}
				if (browser != null) {
					Runtime.getRuntime().exec(new String[] { browser, url });
				}
			}
			return true ;
		} catch (Exception ex) {
			ex.printStackTrace();
			return false ;
		}
	}