var main_id = new Array();
var main_title = new Array();
var second_id = new Array();
var second_title = new Array();
var third_id = new Array();
var third_title = new Array();

//預設資料
main_id[0] = 1;
main_title[0] = "中國";
second_id[1] = new Array();
second_title[1] = new Array() ;
second_id[1][0] = 13;
second_title[1][0] = "北京";
third_id[13] = new Array();
third_title[13] = new Array();
second_id[1][1] = 14;
second_title[1][1] = "江南";
third_id[14] = new Array();
third_title[14] = new Array();
second_id[1][2] = 15;
second_title[1][2] = "桂林";
third_id[15] = new Array();
third_title[15] = new Array();
second_id[1][3] = 16;
second_title[1][3] = "港.澳.深圳.珠海";
third_id[16] = new Array();
third_title[16] = new Array();
second_id[1][4] = 18;
second_title[1][4] = "青海.西藏(青藏鐵路)";
third_id[18] = new Array();
third_title[18] = new Array();
second_id[1][5] = 19;
second_title[1][5] = "新疆(絲路)";
third_id[19] = new Array();
third_title[19] = new Array();
second_id[1][6] = 20;
second_title[1][6] = "雲南.貴州.九寨溝";
third_id[20] = new Array();
third_title[20] = new Array();
second_id[1][7] = 21;
second_title[1][7] = "東北.山東";
third_id[21] = new Array();
third_title[21] = new Array();
second_id[1][8] = 67;
second_title[1][8] = "小三通";
third_id[67] = new Array();
third_title[67] = new Array();
main_id[1] = 2;
main_title[1] = "東北亞";
second_id[2] = new Array();
second_title[2] = new Array() ;
second_id[2][0] = 40;
second_title[2][0] = "日本";
third_id[40] = new Array();
third_title[40] = new Array();
second_id[2][1] = 41;
second_title[2][1] = "韓國";
third_id[41] = new Array();
third_title[41] = new Array();
main_id[2] = 3;
main_title[2] = "東南亞";
second_id[3] = new Array();
second_title[3] = new Array() ;
second_id[3][0] = 42;
second_title[3][0] = "泰國.普吉";
third_id[42] = new Array();
third_title[42] = new Array();
second_id[3][1] = 43;
second_title[3][1] = "印尼. 巴里島";
third_id[43] = new Array();
third_title[43] = new Array();
second_id[3][2] = 44;
second_title[3][2] = "馬來西亞";
third_id[44] = new Array();
third_title[44] = new Array();
second_id[3][3] = 45;
second_title[3][3] = "新加坡";
third_id[45] = new Array();
third_title[45] = new Array();
second_id[3][4] = 46;
second_title[3][4] = "菲律賓";
third_id[46] = new Array();
third_title[46] = new Array();
second_id[3][5] = 47;
second_title[3][5] = "汶萊";
third_id[47] = new Array();
third_title[47] = new Array();
main_id[3] = 4;
main_title[3] = "紐澳";
second_id[4] = new Array();
second_title[4] = new Array() ;
second_id[4][0] = 57;
second_title[4][0] = "紐西蘭";
third_id[57] = new Array();
third_title[57] = new Array();
second_id[4][1] = 58;
second_title[4][1] = "澳洲";
third_id[58] = new Array();
third_title[58] = new Array();
main_id[4] = 5;
main_title[4] = "美加歐洲";
second_id[5] = new Array();
second_title[5] = new Array() ;
second_id[5][0] = 48;
second_title[5][0] = "美國";
third_id[48] = new Array();
third_title[48] = new Array();
second_id[5][1] = 49;
second_title[5][1] = "加拿大";
third_id[49] = new Array();
third_title[49] = new Array();
second_id[5][2] = 50;
second_title[5][2] = "歐洲";
third_id[50] = new Array();
third_title[50] = new Array();
second_id[5][3] = 51;
second_title[5][3] = "東歐";
third_id[51] = new Array();
third_title[51] = new Array();
main_id[5] = 6;
main_title[5] = "中東南亞古文明";
second_id[6] = new Array();
second_title[6] = new Array() ;
second_id[6][0] = 22;
second_title[6][0] = "埃及";
third_id[22] = new Array();
third_title[22] = new Array();
second_id[6][1] = 23;
second_title[6][1] = "土耳其";
third_id[23] = new Array();
third_title[23] = new Array();
second_id[6][2] = 24;
second_title[6][2] = "斯里蘭卡";
third_id[24] = new Array();
third_title[24] = new Array();
second_id[6][3] = 25;
second_title[6][3] = "約旦. 以色列";
third_id[25] = new Array();
third_title[25] = new Array();
main_id[6] = 7;
main_title[6] = "中南半島";
second_id[7] = new Array();
second_title[7] = new Array() ;
second_id[7][0] = 26;
second_title[7][0] = "越南";
third_id[26] = new Array();
third_title[26] = new Array();
second_id[7][1] = 27;
second_title[7][1] = "柬埔寨. 吳哥窟";
third_id[27] = new Array();
third_title[27] = new Array();
second_id[7][2] = 29;
second_title[7][2] = "寮國";
third_id[29] = new Array();
third_title[29] = new Array();
second_id[7][3] = 30;
second_title[7][3] = "緬甸";
third_id[30] = new Array();
third_title[30] = new Array();
main_id[7] = 8;
main_title[7] = "印度尼泊爾";
second_id[8] = new Array();
second_title[8] = new Array() ;
second_id[8][0] = 37;
second_title[8][0] = "印度.克什米爾";
third_id[37] = new Array();
third_title[37] = new Array();
second_id[8][1] = 38;
second_title[8][1] = "尼泊爾";
third_id[38] = new Array();
third_title[38] = new Array();
second_id[8][2] = 39;
second_title[8][2] = "錫金.不丹";
third_id[39] = new Array();
third_title[39] = new Array();
main_id[8] = 9;
main_title[8] = "台灣";
second_id[9] = new Array();
second_title[9] = new Array() ;
second_id[9][0] = 31;
second_title[9][0] = "北台灣";
third_id[31] = new Array();
third_title[31] = new Array();
second_id[9][1] = 32;
second_title[9][1] = "中台灣";
third_id[32] = new Array();
third_title[32] = new Array();
second_id[9][2] = 33;
second_title[9][2] = "南台灣";
third_id[33] = new Array();
third_title[33] = new Array();
second_id[9][3] = 34;
second_title[9][3] = "宜蘭.花蓮.台東";
third_id[34] = new Array();
third_title[34] = new Array();
second_id[9][4] = 35;
second_title[9][4] = "金門.澎湖.馬祖";
third_id[35] = new Array();
third_title[35] = new Array();
second_id[9][5] = 36;
second_title[9][5] = "蘭嶼.綠島";
third_id[36] = new Array();
third_title[36] = new Array();
second_id[9][6] = 61;
second_title[9][6] = "火車之旅";
third_id[61] = new Array();
third_title[61] = new Array();
second_id[9][7] = 62;
second_title[9][7] = "飛機自由行";
third_id[62] = new Array();
third_title[62] = new Array();
main_id[9] = 10;
main_title[9] = "自由行";
second_id[10] = new Array();
second_title[10] = new Array() ;
main_id[10] = 11;
main_title[10] = "海島假期";
second_id[11] = new Array();
second_title[11] = new Array() ;
second_id[11][0] = 52;
second_title[11][0] = "帛琉";
third_id[52] = new Array();
third_title[52] = new Array();
second_id[11][1] = 53;
second_title[11][1] = "關島";
third_id[53] = new Array();
third_title[53] = new Array();
second_id[11][2] = 54;
second_title[11][2] = "塞班";
third_id[54] = new Array();
third_title[54] = new Array();
second_id[11][3] = 55;
second_title[11][3] = "馬爾地夫";
third_id[55] = new Array();
third_title[55] = new Array();
second_id[11][4] = 56;
second_title[11][4] = "關島";
third_id[56] = new Array();
third_title[56] = new Array();
main_id[11] = 12;
main_title[11] = "豪華行";
second_id[12] = new Array();
second_title[12] = new Array() ;
second_id[12][0] = 59;
second_title[12][0] = "杜拜";
third_id[59] = new Array();
third_title[59] = new Array();
second_id[12][1] = 60;
second_title[12][1] = "豪華遊輪";
third_id[60] = new Array();
third_title[60] = new Array();
second_id[12][2] = 63;
second_title[12][2] = "非洲";
third_id[63] = new Array();
third_title[63] = new Array();
main_id[12] = 64;
main_title[12] = "農曆春節旅遊";
second_id[64] = new Array();
second_title[64] = new Array() ;
main_id[13] = 65;
main_title[13] = "歐洲";
second_id[65] = new Array();
second_title[65] = new Array() ;
main_id[14] = 66;
main_title[14] = "昆大麗";
second_id[66] = new Array();
second_title[66] = new Array() ;

var pro = this.document.forms["CruiseBlock"];

pro.topic1.length = (main_id.length+1);
pro.topic1.options[0].value = "";
pro.topic1.options[0].text = "----";

for(var i=1; i<=main_id.length;i++){
	pro.topic1.options[i].value = main_id[(i-1)];
	pro.topic1.options[i].text = main_title[(i-1)];
}

SelMain();

function SelMain(){
	if( pro.topic1.value != ""){
		pro.topic2.length = (second_id[pro.topic1.value].length+1);
	}else{
		pro.topic2.length = 1;
	}
	pro.topic2.options[0].value = "";
	pro.topic2.options[0].text = "----";
	
	for(var i=1; i<pro.topic2.length; i++){
		pro.topic2.options[i].value = second_id[pro.topic1.value][(i-1)];
		pro.topic2.options[i].text = second_title[pro.topic1.value][(i-1)];

		if(i==1){
			pro.topic2.options[i].selected = true;
		}
	}

	SelSecond();
}

function SelSecond(){
	if( pro.topic2.value != ""){
		pro.topic3.length = (third_id[pro.topic2.value].length+1);
	}else{
		pro.topic3.length = 1;
	}
	pro.topic3.options[0].value = "";
	pro.topic3.options[0].text = "----";

	for(var i=1; i<pro.topic3.length; i++){
		pro.topic3.options[i].value = third_id[pro.topic2.value][(i-1)];
		pro.topic3.options[i].text = third_title[pro.topic2.value][(i-1)];

		if(i==1){
			pro.topic3.options[i].selected = true;
		}
	}
}