// JavaScript Document

var type_list = [1,2,3,4,5];
function show_type(id,show){
	for (var i = 1;i <= type_list.length;i++){
		document.getElementById('type_' + i).style.display = 'none';
	}
	
	if (show){
		document.getElementById('type_' + id).style.display = '';
	}
}

function show_answer(type_id,id){
	var obj = document.getElementById('answer_' + type_id + '_' + id);
	
	if (obj.style.display == 'none'){
		obj.style.display = '';
	}else{
		obj.style.display = 'none'
	}
}