function toggleQ(q_id, amount)
{
	for(var i = 1; i <= amount; i++)
	{
		if (document.getElementById('answer' + q_id + '_' + i).style.display == 'block')
		{
			document.getElementById('answer' + q_id + '_' + i).style.display = 'none';
			document.getElementById('pm' + q_id).innerHTML = '+';
		}
		else
		{
			document.getElementById('answer' + q_id + '_' + i).style.display = 'block';
			document.getElementById('pm' + q_id).innerHTML = '-';
		}
	}
}