var Keno_Bandit_spielscheinnummer = null;

function Keno_Bandit_show() {
	Keno_Bandit_spielscheinnummer = document.Keno_state.spielscheinnummer
	Keno_Bandit_updateBanditSpielscheinNummer()
	NDS_showLayers(document.Keno_banditLayer)
	NDS_hideLayers(document.Keno_mainLayer)
}


function Keno_Bandit_up(which) {
	_Keno_Bandit_change(which,"up")
}

function Keno_Bandit_down(which) {
	_Keno_Bandit_change(which,"down")
}

function Keno_Bandit_OK() {
	
	document.Keno_state.spielscheinnummer = Keno_Bandit_spielscheinnummer
	document.Keno_state.draw();
	
	NDS_showLayers(document.Keno_mainLayer)
	NDS_hideLayers(document.Keno_banditLayer)
}


function Keno_Bandit_abort() {
	
	NDS_showLayers(document.Keno_mainLayer)
	NDS_hideLayers(document.Keno_banditLayer)
}


function Keno_Bandit_startRandomize() {
	Keno_Bandit_startRandomizeCore()
	NDS_showLayers(["banditDownLayer"])
}

function Keno_Bandit_startRandomizeCore() {
	document.Keno_Bandit_continueRandomize = true;
	Keno_Bandit_randomize();
}

var Keno_Bandit_randomIndex = 0;
function Keno_Bandit_randomize() { // recursive
	
	Keno_Bandit_spielscheinnummer = Keno_Plus5_quicktipp() 
	
	Keno_Bandit_updateBanditSpielscheinNummer()
	
	if(document.Keno_Bandit_continueRandomize && Keno_Bandit_randomIndex < 20) {
		Keno_Bandit_randomIndex++;
		window.setTimeout("Keno_Bandit_randomize()", 50)
	} else {
		Keno_Bandit_randomIndex = 0
		Keno_Bandit_stopRandomize()
	}
}

function Keno_Bandit_stopRandomize() {
	document.Keno_Bandit_continueRandomize = false;
	
	window.setTimeout("NDS_hideLayers(['banditDownLayer'])", 500)
}

function _Keno_Bandit_change(which,direction) {
	var current = new String(Keno_Bandit_spielscheinnummer);
	
	var start   = "";
	var end     = "";
	
	if(which > 0) {
		start   = current.substring(0,which);
		//alert(start)
	}
	
	if(which < 4) {
		end     = current.substring(which + 1, 5);
		//alert(end)
	}
	
	var middle  = NDS_parseInt( current.substring(which,which+1) );
	if(direction == "up") {
		middle++
	} else {
		middle--
	}
	
	if(middle == -1) middle = 9 // JavaScript Modulo doesnt like negative numbers

	var sub     = middle % 10;
	
	Keno_Bandit_spielscheinnummer = start + sub + end;
	Keno_Bandit_updateBanditSpielscheinNummer();
}

function Keno_Bandit_updateBanditSpielscheinNummer() {
	var number = Keno_Bandit_spielscheinnummer
	
	number     = Keno_Bandit_formatNumber(number)
	NDS_fillLayer("banditNummerLayer", number, "banditSpielscheinnummer")
}

function Keno_Bandit_formatNumber(number) {
	return NDS_join(" ", NDS_split("", new String(number)))
}