function toggleAnswer(id) {
	obj = document.getElementById("antwoord_"+id.toString());
		
	if (obj.style.display == "block") {
		obj.style.display = "none";
	}else{
		obj.style.display = "block";
	}
	
	// Knop omzetten
	toggleButton(id);
}

function toggleButton(id) {
	obj = document.getElementById("btn_toggle_"+id.toString());
	if (obj.src == imgPath + "btn_min.gif") {
		obj.src = imgPath + "btn_plus.gif";
	}else{
		obj.src = imgPath + "btn_min.gif";
	}
}