var globalmodule
var globalset
var globalquiz //really not necessary but put for completeness

var chars = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ";
function nextmodule(name)
{
globalquiz.add(name)
}
function nextset(name)
{
globalmodule.add(name)
}
function addproblem(question,answer)
{
globalset.add(arguments) 
}
 
/* *************************************************************************
MAIN QUIZ class
**************************************************************************/
function quiz(name)
{
this.right = 0
this.wrong = 0
this.name = name
this.modules = new Array()
}
quiz.prototype.add = function(name)
{
this.modules.push(new module(name)) 
globalmodule = this.modules[this.modules.length-1]
}
quiz.prototype.get = function(module)
{
return this.modules[module] 
}
quiz.prototype.total = function()
{
return this.modules.length 
}
/* ***********************************************************************
MODULE CLASS
**************************************************************************/
function module(name)
{
this.name = name
this.sets = new Array()
}
module.prototype.add = function(name)
{
this.sets.push(new set(name))
globalset = this.sets[this.sets.length-1]
}
module.prototype.get = function(set)
{
return this.sets[set] 
}
module.prototype.total = function()
{
return this.sets.length 
}
/*******************************************************************
SET CLASS
********************************************************************/
function set(name)
{
this.name = name
this.rightanswers = 0
this.problems = new Array()
}
set.prototype.add = function(args)
{
this.problems.push(new problem(args)) 
}
set.prototype.get = function(problem)
{
return this.problems[problem] 
}
set.prototype.total = function()
{
return this.problems.length 
}
/*******************************************************************
SETUP QUESTIONS AND ANSWERS
PROBLEM CLASS
********************************************************************/
function problem(args)
{
this.choices = new Array() 
this.selection = -1 //have not chosen an answer

this.question = args[0]
this.answer = chars.indexOf(args[1])
for (var i = 2; i < args.length; i++) 
{
this.choices.push(args[i])
}
}
problem.prototype.totalchoices = function()
{
return this.choices.length 
}
problem.prototype.getchoice = function(choice)
{
return this.choices[choice] 
}