// JavaScript Document

function hide(i){
	document.getElementById(i).style.display = "none";
}

function show(i){
	document.getElementById(i).style.display = "block";
}


/* Module One */
function toggle_boxes_1(page, box_id){
	
	if(page == 1){
		if(box_id == "a" || box_id == "c" || box_id == "d"){
			document.getElementById('incorrect').style.display = "block";
			document.getElementById('correct').style.display = "none";
		}
		else if(box_id == "b"){
			document.getElementById('correct').style.display = "block";
			document.getElementById('incorrect').style.display = "none";
		}
		else{
			document.getElementById('correct').style.display = "none";
			document.getElementById('incorrect').style.display = "none";
		}
	}
	
	else if(page == 2){
		if(box_id == "a"){
			document.getElementById("box_a").style.display = "block";
			document.getElementById("box_b").style.display = "none";
			document.getElementById("box_c").style.display = "none";
			document.getElementById("box_d").style.display = "none";
			document.getElementById("more_1").style.display = "block";
			document.getElementById("intro").style.display = "none";
		}
		else if(box_id == "b"){
			document.getElementById("box_a").style.display = "none";
			document.getElementById("box_b").style.display = "block";
			document.getElementById("box_c").style.display = "none";
			document.getElementById("box_d").style.display = "none";
			document.getElementById("more_1").style.display = "block";
			document.getElementById("intro").style.display = "none";
		}
		else if(box_id == "c"){
			document.getElementById("box_a").style.display = "none";
			document.getElementById("box_b").style.display = "none";
			document.getElementById("box_c").style.display = "block";
			document.getElementById("box_d").style.display = "none";
			document.getElementById("more_1").style.display = "block";
			document.getElementById("intro").style.display = "none";
		}
		else if(box_id == "d"){
			document.getElementById("box_a").style.display = "none";
			document.getElementById("box_b").style.display = "none";
			document.getElementById("box_c").style.display = "none";
			document.getElementById("box_d").style.display = "block";
			document.getElementById("more_1").style.display = "block";
			document.getElementById("intro").style.display = "none";
		}
		else if(box_id == "more_1"){
			document.getElementById("box_a").style.display = "none";
			document.getElementById("box_b").style.display = "none";
			document.getElementById("box_c").style.display = "none";
			document.getElementById("box_d").style.display = "none";
			document.getElementById("more_1").style.display = "none";
			document.getElementById("intro").style.display = "block";
		}
		else{
			document.getElementById("box_a").style.display = "none";
			document.getElementById("box_b").style.display = "none";
			document.getElementById("box_c").style.display = "none";
			document.getElementById("box_d").style.display = "none";
			document.getElementById("more_1").style.display = "none";
			document.getElementById("intro").style.display = "block";
		}
	}
}

/* Module two */
function toggle_boxes_2(page, box_id){
	
	if(page == 1){
		if(box_id == "a" || box_id == "c" || box_id == "b"){
			document.getElementById('incorrect').style.display = "block";
			document.getElementById('correct').style.display = "none";
		}
		else if(box_id == "d"){
			document.getElementById('correct').style.display = "block";
			document.getElementById('incorrect').style.display = "none";
		}
		else{
			document.getElementById('correct').style.display = "none";
			document.getElementById('incorrect').style.display = "none";
		}
	}
	
	else if(page == 2){
		if(box_id == "a"){
			document.getElementById("box_a").style.display = "block";
			document.getElementById("box_b").style.display = "none";
			document.getElementById("box_c").style.display = "none";
			document.getElementById("box_d").style.display = "none";
			document.getElementById("more_1").style.display = "block";
			document.getElementById("intro").style.display = "none";
		}
		else if(box_id == "b"){
			document.getElementById("box_a").style.display = "none";
			document.getElementById("box_b").style.display = "block";
			document.getElementById("box_c").style.display = "none";
			document.getElementById("box_d").style.display = "none";
			document.getElementById("more_1").style.display = "block";
			document.getElementById("intro").style.display = "none";
		}
		else if(box_id == "c"){
			document.getElementById("box_a").style.display = "none";
			document.getElementById("box_b").style.display = "none";
			document.getElementById("box_c").style.display = "block";
			document.getElementById("box_d").style.display = "none";
			document.getElementById("more_1").style.display = "block";
			document.getElementById("intro").style.display = "none";
		}
		else if(box_id == "d"){
			document.getElementById("box_a").style.display = "none";
			document.getElementById("box_b").style.display = "none";
			document.getElementById("box_c").style.display = "none";
			document.getElementById("box_d").style.display = "block";
			document.getElementById("more_1").style.display = "block";
			document.getElementById("intro").style.display = "none";
		}
		else{
			document.getElementById("box_a").style.display = "none";
			document.getElementById("box_b").style.display = "none";
			document.getElementById("box_c").style.display = "none";
			document.getElementById("box_d").style.display = "none";
			document.getElementById("more_1").style.display = "none";
			document.getElementById("intro").style.display = "block";
		}
	}
}


/* Module three */
function toggle_boxes_3(page, box_id){
	
	if(page == 2){
		
		document.getElementById('d_a').style.display = "none";
        document.getElementById('d_b').style.display = "none";
        document.getElementById('d_c').style.display = "none";
        document.getElementById('d_d').style.display = "none";
        document.getElementById('d_'+ box_id +'').style.display = "block";
	}
}

/* Module six */
function toggle_boxes_6(page, box_id){
	
	if(page == 1){
		if(box_id == "a" || box_id == "c" || box_id == "b"){
			document.getElementById('incorrect').style.display = "block";
			document.getElementById('correct').style.display = "none";
		}
		else if(box_id == "d"){
			document.getElementById('correct').style.display = "block";
			document.getElementById('incorrect').style.display = "none";
		}
		else{
			document.getElementById('correct').style.display = "none";
			document.getElementById('incorrect').style.display = "none";
		}
	}
	
	if(page == 7){
		if(box_id == "a" || box_id == "b" || box_id == "d"){
			document.getElementById('incorrect').style.display = "block";
			document.getElementById('correcto').style.display = "none";
		}
		else if(box_id == "c"){
			document.getElementById('correcto').style.display = "block";
			document.getElementById('incorrect').style.display = "none";
		}
		else{
			document.getElementById('correcto').style.display = "none";
			document.getElementById('incorrect').style.display = "none";
		}
	}
}



/* Module eight */
function toggle_boxes_8(page, box_id){
	
	if(page == 1){
		if(box_id == "a" || box_id == "c" || box_id == "b"){
			document.getElementById('incorrect').style.display = "block";
			document.getElementById('correct').style.display = "none";
		}
		else if(box_id == "d"){
			document.getElementById('correct').style.display = "block";
			document.getElementById('incorrect').style.display = "none";
		}
		else{
			document.getElementById('correct').style.display = "none";
			document.getElementById('incorrect').style.display = "none";
		}
	}
	
	if(page == 3){
		if(box_id == "a" || box_id == "c" || box_id == "b"){
			document.getElementById('incorrect').style.display = "block";
			document.getElementById('correct').style.display = "none";
		}
		else if(box_id == "d"){
			document.getElementById('correct').style.display = "block";
			document.getElementById('incorrect').style.display = "none";
		}
		else{
			document.getElementById('correct').style.display = "none";
			document.getElementById('incorrect').style.display = "none";
		}
	}
}



/* Module nine */
function toggle_boxes_9(page, box_id){
	
	if(page == 2){
		if(box_id == "a"){
			document.getElementById('no').style.display = "none";
			document.getElementById('yes').style.display = "block";
		}
		else if(box_id == "b"){
			document.getElementById('no').style.display = "block";
			document.getElementById('yes').style.display = "none";
		}
		else{
			document.getElementById('no').style.display = "none";
			document.getElementById('yes').style.display = "none";
		}
	}
	
	if(page == 10){
		if(box_id == "a"){
			document.getElementById('box_a').style.display = "block";
			document.getElementById('box_b').style.display = "none";
			document.getElementById('box_c').style.display = "none";
			document.getElementById('more').style.display = "block";
		}
		else if(box_id == "b"){
			document.getElementById('box_a').style.display = "none";
			document.getElementById('box_b').style.display = "block";
			document.getElementById('box_c').style.display = "none";
			document.getElementById('more').style.display = "block";
		}
		else if(box_id == "c"){
			document.getElementById('box_a').style.display = "none";
			document.getElementById('box_b').style.display = "none";
			document.getElementById('box_c').style.display = "block";
			document.getElementById('more').style.display = "block";
		}
		else{
			document.getElementById('box_a').style.display = "none";
			document.getElementById('box_b').style.display = "none";
			document.getElementById('box_c').style.display = "none";
			document.getElementById('more').style.display = "none";
		}
	}
	
}



/* Module twelve */
function toggle_boxes_12(page, box_id){
	
	if(page == 1){
		
		document.getElementById('d_a').style.display = "none";
        document.getElementById('d_b').style.display = "none";
        document.getElementById('d_c').style.display = "none";
        document.getElementById('d_d').style.display = "none";
        document.getElementById('d_'+ box_id +'').style.display = "block";
	}
}