// ****************************************************************************************
// 
// colorvisiontest.js
// 
// Images should be preloaded...
// 
// Copyright Capio Medocular
// 
// Created 2003-07-10 by Erik Terenius, Medocular
// 
// ****************************************************************************************


function ShowSubTitle() {

	if ( CurLanguage == 'sv' ) newSubTitle = 'Bild ';
	if ( CurLanguage == 'en' ) newSubTitle = 'Image ';

	newSubTitle += CurTestNum + ' / ' + numTests;

	document.getElementById('SubTitle').innerHTML = newSubTitle;

	return true;
}

function ShowNextImage() {

	document.getElementById('AnswerArea').style.visibility = "hidden";
	answerShown = false;

	if ( CurTestNum >= numTests ) CurTestNum = 1;
	else CurTestNum++;	
	
	document.getElementById('TestImage').src = ImgSrc[CurTestNum];
	ShowSubTitle();
	return true;
}

function ShowPrevImage() {

	document.getElementById('AnswerArea').style.visibility = "hidden";
	answerShown = false;
	
	if ( CurTestNum <= 1 ) CurTestNum = numTests;
	else CurTestNum--;	

	document.getElementById('TestImage').src = ImgSrc[CurTestNum];	
	ShowSubTitle();	
	return true;
}

function ShowAnswer() {

	document.getElementById('ResultImage1').src = ResultImg1Src[CurTestNum];
	document.getElementById('ResultImage2').src = ResultImg2Src[CurTestNum];
	
	NewText = '';
	if ( CurLanguage == 'sv' ) NewText = ResultTxt_sv[CurTestNum];
	if ( CurLanguage == 'en' ) NewText = ResultTxt_en[CurTestNum];
	
	document.getElementById('AnswerText').innerHTML = NewText;
	
	document.getElementById('AnswerArea').style.visibility = "visible";	
	
	answerShown = true;

	return true;
}

function HideAnswer() {
	
	
	document.getElementById('AnswerArea').style.visibility = "hidden";
	
	document.getElementById('ResultImage1').src = ResultImg1Src[0];
	document.getElementById('ResultImage2').src = ResultImg2Src[0];
	
	answerShown = false;
	
	return true;
}

function ToggleAnswer() {

	answerShown ? HideAnswer() : ShowAnswer();

	return true;
}