public void sendDeleteUser() throws IOException{
    	String str = new String("deleteuser"+ "," + waiterFld.getText());
    	System.out.println(str);
    	InetAddress serverAddr= null;
    	try {
			serverAddr= InetAddress.getByName(GlobalV.serverIP);
		} catch (UnknownHostException e1) {
			e1.printStackTrace();
		}
        Socket socket = null;
		try {
			System.out.println("sending deleteuser to server");
			socket = new Socket(serverAddr, GlobalV.sendingPortLogin);
		} catch (UnknownHostException e) {
			e.printStackTrace();
		} catch (IOException e) {
			e.printStackTrace();
		}
        PrintWriter out = null;
		try {
			out = new PrintWriter(new BufferedWriter(new OutputStreamWriter(socket.getOutputStream())), true);
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
			out.println(str);
			System.out.print("delete user sent");
			socket.close();
    }