function setAnswer(el) {
	var setEls = document.getElementById("whiteBack2").getElementsByTagName("div");
	for (var i=0; i<setEls.length; i++) {
	if (setEls[i].id == el) setEls[i].style.display = "block";
	else setEls[i].style.display = "none";
	}
}
function displayPix(image) {
document.getElementById("displayPic").src = image;
}
function setIndications(el) {
	var setEls = document.getElementById("whiteback1").getElementsByTagName("div");
	for (var i=0; i<setEls.length; i++) {
	if (setEls[i].id == el.value + "1") setEls[i].style.display = "block";
	else setEls[i].style.display = "none";
	}
	var setEls = document.getElementById("whiteback2").getElementsByTagName("div");
	for (var i=0; i<setEls.length; i++) {
	if (setEls[i].id == el.value + "2") setEls[i].style.display = "block";
	else setEls[i].style.display = "none";
	}

}