function faq(nr)
{

	answerObj = document.getElementById('faqanswer' + nr);

	if(answerObj.style.display == '' || answerObj.style.display == 'none') 
	{

		var newValue = 'block';
	
	}
	else
	{

		var newValue = 'none';
	}

	// change appearance

	answerObj.style.display = newValue;

}