function expandcollapse (link, text) {
	if (link.className == 'minus') {
		link.className = 'plus';
		text.className = 'vragen-collapsed';
		}
	else {
		link.className = 'minus';
		text.className = 'vragen-expanded';
		}
	}
	
function productExpandCollapse(action) {
	if(action == 'plus'){	
		document.getElementById('hidden-table').style.display='block';		
		document.getElementById('plusImage').style.display='none';
		}else{
		document.getElementById('hidden-table').style.display='none';
		document.getElementById('plusImage').style.display='block';		
		}			
	
	}