var param_ar1 = "";
var param_cu1 = "";
var param_ct1 = "";
var param_ar2 = "";
var param_cu2 = "";
var param_ct2 = "";
var param_ar3 = "";
var param_cu3 = "";
var param_ct3 = "";
var param_al = "";
var param_htl = "";

function init(ar,cu,ct) {
  //パラメータがあればそれをグローバル変数に保存しておく
  param_ar1 = ar;
  param_cu1 = cu;
  param_ct1 = ct;
  
  document.STSRC.homen.options.length = 1 ;
  document.STSRC.city.options.length = 1 ;

   if ( document.STSRC.brand_cd.value == "SJ" ){
   document.STSRC.homen.options[0].value = "";
   document.STSRC.homen.options[0].text = "都道府県（すべて）";
   document.STSRC.city.options[0].value= "";
   document.STSRC.city.options[0].text= "市区町村（すべて）";
   }else{
   document.STSRC.homen.options[0].value = "";
   document.STSRC.homen.options[0].text = "方面（すべて）";
   document.STSRC.city.options[0].value= "";
   document.STSRC.city.options[0].text= "都市（すべて）";
   }
  
  //地域パラメータがあればそれを選択
  if (param_ar1 != '') {
    for(i=0; i<=document.STSRC.homenG.length; i++) {
      if (document.STSRC.homenG.options[i].value == param_ar1) {
        param_ar1 = null;
        document.STSRC.homenG.options[i].selected = true;
        loadJS1();
        break;
      }
    }
  } else {
    document.STSRC.homenG.options[0].selected = true;
    //document.STSRC.cu.options[0].selected = true;
    //document.STSRC.ct.options[0].selected = true;
  }
}

function Houmen1(name, value, cities, num , airlines, airnum , hotels, htlnum )
{
  this.name = name ;
  this.value = value ;
  this.cities = cities;
  this.num = num;
  this.airlines = airlines;
  this.airnum = airnum;
  this.hotels = hotels;
  this.htlnum = htlnum;
}

function City1(name, value , cityname1 , cityname2 )
{
  this.name = name;
  this.value = value;
  this.cityname1 = cityname1;
  this.cityname2 = cityname2;
}

function Air(name, value)
{
  this.name = name;
  this.value = value;
}
function Hotel(name, value , cityname )
{
  this.name = name;
  this.value = value;
  this.cityname = cityname;
}

function selectHoumenG1() {
  document.STSRC.homen.options.length = 1;
  document.STSRC.city.options.length = 1;
  document.STSRC.homen.options.length = houmens.length + 1;
  for( i = 0; i < houmens.length; i++ ){
    document.STSRC.homen.options[i+1] = new Option( houmens[i].name, houmens[i].value );
  }
  
  //国、エリアパラメータがあればそれを選択
  if (param_cu1 != null) {
    for(i=0; i<=document.STSRC.homen.length; i++) {
      if (document.STSRC.homen.options[i].value == param_cu1) {
        param_cu1 = null;
        document.STSRC.homen.options[i].selected = true;
        selectHoumen1();
        break;
      }
    }
  } else {
    document.STSRC.homen.options[0].selected = true;
    document.STSRC.city.options[0].selected = true;
  }
  
  
  if (navigator.appName == "Netscape") {
    //history.go(0);
  }
}

function selectHoumen1() {
  document.STSRC.city.options.length = 1 ;
  var idx = document.STSRC.homen.options.selectedIndex;
  if (idx > 0) {
    document.STSRC.city.options.length = houmens[idx-1].cities.length + 1;
    for( i = 0; i < houmens[idx-1].cities.length; i++ ){
      document.STSRC.city.options[i+1] = new Option( houmens[idx-1].cities[i].name, houmens[idx-1].cities[i].value );
    }
  }
  
  //都市パラメータがあればそれを選択
  
  if (param_ct1 != null) {
    for(i=0; i<=document.STSRC.city.length; i++) {
      if (document.STSRC.city.options[i].value == param_ct1) {
        param_ct1 = null;
        document.STSRC.city.options[i].selected = true;
        break;
      }
    }
  } else {
    document.STSRC.city.options[0].selected = true;
  }
}

function selectCity1()
{
  document.STSRC.htl.options.length = 1 ;
  var idx = document.STSRC.homen.options.selectedIndex;
  var idx2 = document.STSRC.city.options.selectedIndex;
  var idx3 = document.STSRC.ar2.options.selectedIndex;
  var idx4 = document.STSRC.ar3.options.selectedIndex;
  if ( idx3 == 0 && idx4 == 0 ){
  if (idx2 > 0) {
    var cityname1 = houmens[idx-1].cities[idx2-1].cityname1;
    var cityname2 = houmens[idx-1].cities[idx2-1].cityname2;
    document.STSRC.htl.options.length = houmens[idx-1].hotels.length + 1;
    c = 0;
    for( i = 0; i < houmens[idx-1].hotels.length; i++ ){
	if ( cityname1 == houmens[idx-1].hotels[i].cityname || cityname2 == houmens[idx-1].hotels[i].cityname ){
     		 document.STSRC.htl.options[c+1] = new Option( houmens[idx-1].hotels[i].name, houmens[idx-1].hotels[i].value );
		c++;
	}
    }
    document.STSRC.htl.options.length = c + 1;
  }else{
    document.STSRC.htl.options.length = houmens[idx-1].hotels.length + 1;
    for( i = 0; i < houmens[idx-1].hotels.length; i++ ){
      document.STSRC.htl.options[i+1] = new Option( houmens[idx-1].hotels[i].name, houmens[idx-1].hotels[i].value );
    } 

  }
  }
}

//動的に地域別jsファイルを読み込む
function loadJS1() {
  //if (document.STSRC.homenG.selectedIndex > 0) {
  if ( document.STSRC.homenG.options[document.STSRC.homenG.selectedIndex].value ){
    dynamicLoad(document.STSRC.homenG.options[document.STSRC.homenG.selectedIndex].value,1);
  } else {
    document.STSRC.homen.options.length = 1;
    document.STSRC.city.options.length = 1;
    document.STSRC.homen.options[0].selected = true;
    document.STSRC.city.options[0].selected = true;
  }
}

function init2(ar,cu,ct) {
  //パラメータがあればそれをグローバル変数に保存しておく
  param_ar2 = ar;
  param_cu2 = cu;
  param_ct2 = ct;
  
  document.STSRC.cu2.options.length = 1 ;
  document.STSRC.ct2.options.length = 1 ;

   document.STSRC.cu2.options[0].value = "";
   document.STSRC.cu2.options[0].text = "方面（すべて）";
   document.STSRC.ct2.options[0].value= "";
   document.STSRC.ct2.options[0].text= "都市（すべて）";
  
  //地域パラメータがあればそれを選択
  if (param_ar2 != null) {
    for(i=0; i<=document.STSRC.ar2.length; i++) {
      if (document.STSRC.ar2.options[i].value == param_ar2) {
        param_ar2 = null;
        document.STSRC.ar2.options[i].selected = true;
        loadJS2();
        break;
      }
    }
  } else {
    document.STSRC.ar2.options[0].selected = true;
    //document.STSRC.cu.options[0].selected = true;
    //document.STSRC.ct.options[0].selected = true;
  }
}

function Houmen2(name, value, cities, num )
{
  this.name = name ;
  this.value = value ;
  this.cities = cities;
  this.num = num;
}

function City2(name, value , cityname1 , cityname2 )
{
  this.name = name;
  this.value = value;
  this.cityname1 = cityname1;
  this.cityname2 = cityname2;
}

function selectHoumenG2() {
  document.STSRC.cu2.options.length = 1;
  document.STSRC.ct2.options.length = 1;
  document.STSRC.cu2.options.length = houmens.length + 1;
  for( i = 0; i < houmens.length; i++ ){
    document.STSRC.cu2.options[i+1] = new Option( houmens[i].name, houmens[i].value );
  }
  
  //国、エリアパラメータがあればそれを選択
  if (param_cu2 != null) {
    for(i=0; i<=document.STSRC.cu2.length; i++) {
      if (document.STSRC.cu2.options[i].value == param_cu2) {
        param_cu2 = null;
        document.STSRC.cu2.options[i].selected = true;
        selectHoumen2();
        break;
      }
    }
  } else {
    document.STSRC.cu2.options[0].selected = true;
    document.STSRC.ct2.options[0].selected = true;
  }
  
  
  if (navigator.appName == "Netscape") {
    //history.go(0);
  }
}

function selectHoumen2() {
  document.STSRC.ct2.options.length = 1 ;
  var idx = document.STSRC.cu2.options.selectedIndex;
  if (idx > 0) {
    document.STSRC.ct2.options.length = houmens[idx-1].cities.length + 1;
    for( i = 0; i < houmens[idx-1].cities.length; i++ ){
      document.STSRC.ct2.options[i+1] = new Option( houmens[idx-1].cities[i].name, houmens[idx-1].cities[i].value );
    }
  }
  
  //都市パラメータがあればそれを選択
  
  if (param_ct2 != null) {
    for(i=0; i<=document.STSRC.ct2.length; i++) {
      if (document.STSRC.ct2.options[i].value == param_ct2) {
        param_ct2 = null;
        document.STSRC.ct2.options[i].selected = true;
        break;
      }
    }
  } else {
    document.STSRC.ct2.options[0].selected = true;
  }
}

function selectCity2()
{
}

//動的に地域別jsファイルを読み込む
function loadJS2() {
  if (document.STSRC.ar2.selectedIndex > 0) {
    dynamicLoad(document.STSRC.ar2.options[document.STSRC.ar2.selectedIndex].value,2);
  } else {
    document.STSRC.cu2.options.length = 1;
    document.STSRC.ct2.options.length = 1;
    document.STSRC.cu2.options[0].selected = true;
    document.STSRC.ct2.options[0].selected = true;
  }
}

function init3(ar,cu,ct) {
  //パラメータがあればそれをグローバル変数に保存しておく
  param_ar3 = ar;
  param_cu3 = cu;
  param_ct3 = ct;
  
  document.STSRC.cu3.options.length = 1 ;
  document.STSRC.ct3.options.length = 1 ;

   document.STSRC.cu3.options[0].value = "";
   document.STSRC.cu3.options[0].text = "方面（すべて）";
   document.STSRC.ct3.options[0].value= "";
   document.STSRC.ct3.options[0].text= "都市（すべて）";
  
  //地域パラメータがあればそれを選択
  if (param_ar3 != null) {
    for(i=0; i<=document.STSRC.ar3.length; i++) {
      if (document.STSRC.ar3.options[i].value == param_ar3) {
        param_ar3 = null;
        document.STSRC.ar3.options[i].selected = true;
        loadJS3();
        break;
      }
    }
  } else {
    document.STSRC.ar3.options[0].selected = true;
    //document.STSRC.cu.options[0].selected = true;
    //document.STSRC.ct.options[0].selected = true;
  }
}

function Houmen3(name, value, cities, num)
{
  this.name = name ;
  this.value = value ;
  this.cities = cities;
  this.num = num;
}

function City3(name, value , cityname1 , cityname2 )
{
  this.name = name;
  this.value = value;
  this.cityname1 = cityname1;
  this.cityname2 = cityname2;
}

function selectHoumenG3() {
  document.STSRC.cu3.options.length = 1;
  document.STSRC.ct3.options.length = 1;
  document.STSRC.cu3.options.length = houmens.length + 1;
  for( i = 0; i < houmens.length; i++ ){
    document.STSRC.cu3.options[i+1] = new Option( houmens[i].name, houmens[i].value );
  }
  
  //国、エリアパラメータがあればそれを選択
  if (param_cu3 != null) {
    for(i=0; i<=document.STSRC.cu3.length; i++) {
      if (document.STSRC.cu3.options[i].value == param_cu3) {
        param_cu3 = null;
        document.STSRC.cu3.options[i].selected = true;
        selectHoumen3();
        break;
      }
    }
  } else {
    document.STSRC.cu3.options[0].selected = true;
    document.STSRC.ct3.options[0].selected = true;
  }
  
  
  if (navigator.appName == "Netscape") {
    //history.go(0);
  }
}

function selectHoumen3() {
  document.STSRC.ct3.options.length = 1 ;
  var idx = document.STSRC.cu3.options.selectedIndex;
  if (idx > 0) {
    document.STSRC.ct3.options.length = houmens[idx-1].cities.length + 1;
    for( i = 0; i < houmens[idx-1].cities.length; i++ ){
      document.STSRC.ct3.options[i+1] = new Option( houmens[idx-1].cities[i].name, houmens[idx-1].cities[i].value );
    }
  }
  
  //都市パラメータがあればそれを選択
  
  if (param_ct3 != null) {
    for(i=0; i<=document.STSRC.ct3.length; i++) {
      if (document.STSRC.ct3.options[i].value == param_ct3) {
        param_ct3 = null;
        document.STSRC.ct3.options[i].selected = true;
        break;
      }
    }
  } else {
    document.STSRC.ct3.options[0].selected = true;
  }
}

function selectCity3()
{
}

//動的に地域別jsファイルを読み込む
function loadJS3() {
  if (document.STSRC.ar3.selectedIndex > 0) {
    dynamicLoad(document.STSRC.ar3.options[document.STSRC.ar3.selectedIndex].value,3);
  } else {
    document.STSRC.cu3.options.length = 1;
    document.STSRC.ct3.options.length = 1;
    document.STSRC.cu3.options[0].selected = true;
    document.STSRC.ct3.options[0].selected = true;
  }
}