function listToggle(toggleId)	{
	var imgId = 'img-' + toggleId;
	if (document.getElementById(toggleId).style.display == 'block')
	{
		document.getElementById(imgId).src = 'http://www.online.nl/fileadmin/templates/images/plus.png';
		document.getElementById(toggleId).style.display = 'none';
	}
	else
	{
		document.getElementById(imgId).src = 'http://www.online.nl/fileadmin/templates/images/minus.png';
		document.getElementById(toggleId).style.display = 'block';
	}
}