/*
' ###########################################################
'   つばき形番ナビ GMMシリーズ用JS
'                                  Create 2011.08.02 Noguchi
'                                  Modyfy ----.--.-- --------
' ###########################################################
*/
var sSeries  = "GMM";
var sMotorsi = "T";
var sMotoryo = "40";
var sTrtk    = "F";
var sSokuhi  = "5";
var sSiyou  = "";
var sOpt    = "";

var bEnblW 		= true;	// opt[0]
var bEnblJ 		= true;	// opt[1]
var bEnblV 		= true;	// opt[2]
var bEnblWV 	= true;	// opt[3]
var bEnblP 		= true;	// opt[4]
var bEnblPV 	= true;	// opt[5]
var bEnblN2 	= true;	// opt[6]
var bEnblN3 	= true;	// opt[7]

function GenKataban(){	// 形番の生成
	document.ktnv.kata.value = sSeries + sMotorsi + sMotoryo + sTrtk + sSokuhi + sSiyou + sOpt;
}

function SetSokuhi(){	// 速比リストのセット
	var arrSokuhi;
	var i;
	var oSokuhi = document.ktnv_GMM.sokuhi;
	var sBeforeSokuhi = sSokuhi;
	var lBeforeSokuhiIndex = oSokuhi.selectedIndex;
	for (i=oSokuhi.length; i>=0; i--){oSokuhi.options[i] = null;}
	arrSokuhi = new Array("5", "8", "10", "15", "20", "25", "30", "40", "50", "60", "80", "100", "120", "160", "200", "240");
	for (i=0; i<=arrSokuhi.length - 1; i++){
		oSokuhi.options[i] = new Option(arrSokuhi[i], arrSokuhi[i]);
		if ((arrSokuhi[i] == "120")  &&  (sMotoryo == "90" )) break;
	}
	if (lBeforeSokuhiIndex > i){
		oSokuhi.selectedIndex = 0;
	}else{
		oSokuhi.selectedIndex = lBeforeSokuhiIndex;
	}
	sSokuhi = oSokuhi.options[oSokuhi.selectedIndex].value;
}
function CtlOption(){	// オプションのコントロール
	var oKtnvGMM = document.ktnv_GMM;
	var oOpt = document.ktnv_GMM.opt;
	for (var i=1; i<=2; i++){	// フラグ設定途上でチェックを外すことがあるので、2回実行する
		bEnblW  = !((sMotorsi == "S") && (sMotoryo == "90")) &&
				!oOpt[1].checked && !oOpt[2].checked && !oOpt[3].checked && !oOpt[4].checked && !oOpt[5].checked && !oOpt[6].checked && !oOpt[7].checked;
		bEnblJ  = !oOpt[0].checked && !oOpt[2].checked && !oOpt[3].checked && !oOpt[4].checked && !oOpt[5].checked && !oOpt[6].checked && !oOpt[7].checked;
		bEnblV  = !oOpt[0].checked && !oOpt[1].checked && !oOpt[3].checked && !oOpt[4].checked && !oOpt[5].checked && !oOpt[6].checked && !oOpt[7].checked;
		bEnblWV = !oOpt[0].checked && !oOpt[1].checked && !oOpt[2].checked && !oOpt[4].checked && !oOpt[5].checked && !oOpt[6].checked && !oOpt[7].checked;
		bEnblP  = (sSiyou == "" ) &&
				!oOpt[0].checked && !oOpt[1].checked && !oOpt[2].checked && !oOpt[3].checked && !oOpt[5].checked && !oOpt[6].checked && !oOpt[7].checked;
		bEnblPV = (sSiyou == "" ) &&
				!oOpt[0].checked && !oOpt[1].checked && !oOpt[2].checked && !oOpt[3].checked && !oOpt[4].checked && !oOpt[6].checked && !oOpt[7].checked;
		bEnblN2 = (sMotorsi == "T") && (sMotoryo != "40") && (sSiyou == "") &&
				!oOpt[0].checked && !oOpt[1].checked && !oOpt[2].checked && !oOpt[3].checked && !oOpt[4].checked && !oOpt[5].checked && !oOpt[7].checked;
		bEnblN3 = (sMotorsi == "T") && (sMotoryo != "40") && (sSiyou == "") &&
				!oOpt[0].checked && !oOpt[1].checked && !oOpt[2].checked && !oOpt[3].checked && !oOpt[4].checked && !oOpt[5].checked && !oOpt[6].checked;

		if (bEnblW)   {oOpt[0].disabled = false;}else{oOpt[0].checked = false;oOpt[0].disabled = true;}
		if (bEnblJ)   {oOpt[1].disabled = false;}else{oOpt[1].checked = false;oOpt[1].disabled = true;}
		if (bEnblV)   {oOpt[2].disabled = false;}else{oOpt[2].checked = false;oOpt[2].disabled = true;}
		if (bEnblWV)  {oOpt[3].disabled = false;}else{oOpt[3].checked = false;oOpt[3].disabled = true;}
		if (bEnblP)   {oOpt[4].disabled = false;}else{oOpt[4].checked = false;oOpt[4].disabled = true;}
		if (bEnblPV)  {oOpt[5].disabled = false;}else{oOpt[5].checked = false;oOpt[5].disabled = true;}
		if (bEnblN2)  {oOpt[6].disabled = false;}else{oOpt[6].checked = false;oOpt[6].disabled = true;}
		if (bEnblN3)  {oOpt[7].disabled = false;}else{oOpt[7].checked = false;oOpt[7].disabled = true;}
	}
	// 選択オプションの取得
	sOpt = GetCheck(oOpt);
}

function SetBrake(){	// ブレーキ選択の制御
	var oKtnvGMM = document.ktnv_GMM;
	if((sMotorsi == "S") && (sMotoryo == "90")){
		oKtnvGMM.siyou[1].disabled = true;
		oKtnvGMM.siyou[0].checked = true;
		sSiyou  = "";
	}else{
		oKtnvGMM.siyou[1].disabled = false;
	}
}

function ChkMotorsi(){	// モーター仕様を変更した場合
	var oKtnvGMM = document.ktnv_GMM;
	sMotorsi = GetSelect(oKtnvGMM.motorsi);
	SetBrake();
	CtlOption();
	GenKataban();
}

function ChkMotoryo(){	// モーター容量を変更した場合
	var oKtnvGMM = document.ktnv_GMM;
	sMotoryo = GetSelect(oKtnvGMM.motoryo);
	SetSokuhi();
	SetBrake();
	CtlOption();
	GenKataban();
}

function ChkSokuhi(){	// 速比を変更した場合
	sSokuhi = GetSelect(document.ktnv_GMM.sokuhi);
	GenKataban();
}

function ChkSiyou(){	// 仕様ラジオボタンを変更した時
	sSiyou = GetRadio(document.ktnv_GMM.siyou);
	CtlOption();
	GenKataban();
}

function ChkOption(){	// オプションを選択した場合
	CtlOption();
	GenKataban();
}