public static String getdata(String arg) throws Exception
    {
        try
        {
	    // Check to see that a command parameter was entered
            if (arg == null || arg == "")
            {
                 // Print message, pause, then exit
                 System.err.println ("Invalid command parameters");
                 System.in.read();
                 System.exit(0);
            }

            // Create an URL instance
            URL url = new URL(arg);

            // Get an input stream for reading
            InputStream in = url.openStream();

            // Create a buffered input stream for efficency
            BufferedInputStream bufIn = new BufferedInputStream(in);

			String output = new String("");

            // Repeat until end of file
            for (;;)
            {
                int data = bufIn.read();

                // Check for EOF
                if (data == -1)
                    break;
                else {
					output = output + data;
				}
            }
			return output;
        }
        catch (MalformedURLException mue)
        {
            System.err.println ("Invalid URL");
        }
        catch (IOException ioe)
        {
            System.err.println ("I/O Error - " + ioe);
        }
    }