public static void download(URL source, String dest, boolean indeterminate)
    {
        JFrame frame=new JFrame("Working...");
        frame.setResizable(true);
        frame.setLayout(new FlowLayout());
        JPanel panel=new JPanel(new FlowLayout());
        final JProgressBar prog=new JProgressBar();
        prog.setIndeterminate(indeterminate);
        long filesize=0L;
        if(!indeterminate)
        {
            filesize=getFilesize(source.toString());
            System.out.println(filesize);
            prog.setMaximum((int)filesize);
            prog.setMinimum(0);
        }
        final long finalsize=filesize;
        panel.add(prog, "South");
        prog.setVisible(true);
        frame.add(panel, "South");
        frame.setSize(300, 100);
        panel.setSize(250, 100);
        frame.setLocationRelativeTo(null);
        frame.setVisible(true);
        prog.setStringPainted(true);
        try
        {
            java.io.BufferedInputStream in = new java.io.BufferedInputStream(source.openStream());
            java.io.FileOutputStream fos = new java.io.FileOutputStream(dest);
            java.io.BufferedOutputStream bout = new BufferedOutputStream(fos,1024);
            byte[] data = new byte[1024];
            int x=0;
            long previous=fos.getChannel().position();
            while((x=in.read(data,0,1024))>=0)
            {
                final long change=fos.getChannel().position()-previous;;
                final long pos=fos.getChannel().position();
                if(!indeterminate)
                    EventQueue.invokeLater(new Runnable()
                    {
                        public void run()
                        {
                            prog.setValue(prog.getValue()+(int)change);
                            prog.setString((pos/1024)+" KB/"+(finalsize/1024)+" KB");
                        }
                    });
                System.out.println("pos: "+fos.getChannel().position());
                System.out.println("change: "+change);
                bout.write(data,0,x);
                previous=fos.getChannel().position();
            }
            bout.close();
            in.close();
            prog.setValue(prog.getMaximum());
            prog.setString(finalsize+" KB/"+finalsize+" KB");
            System.out.println("Done");
        }
        catch(UnknownHostException e)
        {
            frame.setVisible(false);
            dialog("Can't connect to the internet", "Can't check if there's a new version.\n" +
                    "Make sure you're connected to the internet and try again.", 10);
        }
        catch(IOException e)
        {
            frame.setVisible(false);
            dialog("Complicated error", "Something to do with opening streams", 11);
        }
        //error 12
        frame.setVisible(false);
    }