var sCurrentLang = null;

/*
function LangSelect(sNewLang)
{
	document.getElementById('lang_' + sNewLang).className = 'on';
	if(sNewLang != sSelLang)
	{
		document.getElementById('lang_' + sSelLang).className = 'off';
		sSelLang = sNewLang;
	}
}
*/

function HighlightLang(sNewLang)
{
	document.getElementById('lang_' + sNewLang).className = 'on';
	sCurrentLang = sNewLang;
}

function ResetLang()
{
	if(sCurrentLang != sSelLang)
	{
		//alert("sCurrentLang: " + sCurrentLang + " | sSelLang: " + sSelLang);
		document.getElementById('lang_' + sCurrentLang).className = 'off';
	}
}

//-------------------------------------------------------------------------------------------

var nIdPrev = 1;

function show_nav(nId)
{
	hide_nav()
	if(nCurrentPage == nId)
	{
		document.getElementById('nav_' + nId).className = "nav active on";
	}
	else
	{
		document.getElementById('nav_' + nId).className = "nav active";
	}
	document.getElementById('sub_' + nId).style.display = "block";
	nIdPrev = nId;
}

function hide_nav()
{
	if(nCurrentPage == nIdPrev)
	{
		document.getElementById('nav_' + nIdPrev).className = "nav on";
	}
	else
	{
		document.getElementById('nav_' + nIdPrev).className = "nav";
	}
	document.getElementById('sub_' + nIdPrev).style.display = "none";
}

function select_nav(nId)
{
	hide_nav()
	document.getElementById('nav_' + nCurrentPage).className = "nav";
	document.getElementById('nav_' + nId).className = "nav on";
	nCurrentPage = nId;
}

//-------------------------------------------------------------------------------------------

var nIdCarPrev = 1;

function show_car(nId, sBgFog)
{
	hide_car()
	document.getElementById('car_' + nId).className = "on";
	document.getElementById('gfx').className = "fog " + sBgFog;
	nIdCarPrev = nId;
}

function hide_car()
{
	document.getElementById('car_' + nIdCarPrev).className = "off";
}