@Override
	public void keyReleased(KeyEvent arg0) {
		//make sure the tweet entry textarea and # of characters remaining labels have been instantiated
		if (txtAreaTwet != null && lblCharRemaining != null) {
			//update characters remaining counter
			int currLength = txtAreaTwet.getText().length();		
			lblCharRemaining.setText(String.valueOf(140 - currLength));	
			
			//if the tweet is more than 140 characters, set the text to red
			//else set it back to black
			if (currLength > 140) {
				lblCharRemaining.setForeground(Color.RED);
			} else {
				lblCharRemaining.setForeground(Color.BLACK);
			}
		}
	}