/*addLoadEvent(expandableLinks);*/

 // 1* function: scan links and attach actions to them

 // 2* function: expand current question, collapse all others

function expandableLinks()
{
	if (document.getElementById('vragen') == null || !document.getElementsByTagName) return;
	var anchors = document.getElementById('vragen').getElementsByTagName('a');
	for (var i=0; i<anchors.length; i++)
	{
		var anchor = anchors[i];
		
		anchor.onclick = function() {
					expand(this);
		}
		anchor.id = i+1;
		anchor.href= '#'+anchor.id;
	}
}


function expand(obj)
{
	collapseAll();
	var showobj = obj.parentNode.getElementsByTagName('p')[0];
	showobj.style.display = 'block';
	obj.parentNode.className = 'current';
}

function collapseAll()
{
	var pars = document.getElementById('vragen').getElementsByTagName('p');
	for (var i=0; i<pars.length; i++) {
		var par = pars[i];
		par.parentNode.className = '';
		par.style.display = 'none';
	}
}