public void addListeners()//adds listeners for buttons etc.
	{
		authentacation action = new authentacation();
		jbtButton0.addActionListener(this);
		jbtButton1.addActionListener(this);
		jbtButton2.addActionListener(this);
		jbtButton3.addActionListener(this);
		jbtButton4.addActionListener(this);
		jbtButton5.addActionListener(this);
		jbtButton6.addActionListener(this);
		jbtButton7.addActionListener(this);
		jbtButton8.addActionListener(this);
		jbtButton9.addActionListener(this);
		jbtClearPowerOff.addActionListener(this);
		jbtNewUser.addActionListener(this);
		//jbtExit.addActionListener(this);
		jpwPasscode.addCaretListener(action);
	}