function toggleDiv(element){
	if(document.getElementById(element).style.display == 'none')
	{
		document.getElementById(element).style.display = 'block';
		document.getElementById('klantbeoordeling').style.display = 'none';
    }
	else if(document.getElementById(element).style.display == 'block')
    {
		document.getElementById(element).style.display = 'none';
		document.getElementById('klantbeoordeling').style.display = 'block';
    }
}