// JavaScript Document

// JavaScript Document
function hideall(){
	for(var x=0; x < questions; x++){
		document.getElementById('answer[' + x + ']').style.display = 'none';
	}
	update();
}
function update(){
	for(var x=0; x < questions; x++){
		if (document.getElementById('answer[' + x + ']').style.display == 'none'){
			document.getElementById('image[' + x + ']').src = "images/plus.png";
		}else{
			document.getElementById('image[' + x + ']').src = "images/minus.png";
		}
	}
}
function toggle(q){
	if (document.getElementById('answer[' + q + ']').style.display == 'none'){
		hideall();
		document.getElementById('answer[' + q + ']').style.display = 'block';
	}else{
		hideall();
		document.getElementById('answer[' + q + ']').style.display = 'none';;
	}
	update();
}