var option1_cate_text= new Array(9);
var option1_cate_value= new Array(9);
var option2_cate_text= new Array(9);
var option2_cate_value= new Array(9);
var option3_cate_text= new Array(9);
var option3_cate_value= new Array(9);
var select1=0;
var select2=0;
var index_search_1;
var index_search_2;
var option1_area_text= new Array(23);
var option1_area_value= new Array(23);
var option2_area_text= new Array(23);
var option2_area_value= new Array(23);
var option3_area_text= new Array(23);
var option3_area_value= new Array(23);
var select_area_1=0;
var select_area_2=0;
var index_search_area_1;
var index_search_area_2;
//var document.category_search.category=new Array();
for (i=0;i<10;i++){
	option2_cate_text[i]=new Array();
	option2_cate_value[i]= new Array();
	option3_cate_text[i]= new Array(5);
	option3_cate_value[i]= new Array(5);
	for (j=0;j<5;j++){
		option3_cate_text[i][j]= new Array(5);
		option3_cate_value[i][j]= new Array(5);
	}
}
for (i=0;i<23;i++){
	option2_area_text[i]=new Array();
	option2_area_value[i]= new Array();
	option3_area_text[i]= new Array(5);
	option3_area_value[i]= new Array(4);
	for (j=0;j<5;j++){
		option3_area_text[i][j]= new Array();
		option3_area_value[i][j]= new Array();
	}
}
//document.write("Array created.\n");
//array

option1_cate_text[0]="Human and Cultural Scenery";
option1_cate_text[1]="Historical Architecture";
option1_cate_text[2]="Religion Architecture";
option1_cate_text[3]="Geography Natural Scenery";
option1_cate_text[4]="Natural Ecology Scenery - Plant";
option1_cate_text[5]="Natural Ecology Scenery - Animals";
option1_cate_text[6]="Country Parks";
option1_cate_text[7]="Sport Feature";
option1_cate_text[8]="Metropolitan Scenery";
option1_cate_text[9]="Snapshot";

option2_cate_text[0][0]="Fishing village";
option2_cate_text[0][1]="Rural village";
option2_cate_text[0][2]="Festival";
option2_cate_text[1][0]="Governmental Architecture";
option2_cate_text[2][0]="Taoism";
option2_cate_text[2][1]="Buddhism";
option2_cate_text[3][0]="Ocean";
option2_cate_text[3][1]="Wind";
option2_cate_text[3][2]="Stream";
option2_cate_text[3][3]="River";
option2_cate_text[4][0]="Flowers and grass";
option2_cate_text[4][1]="Tree";
option2_cate_text[5][0]="Insects";
option2_cate_text[5][1]="Birds";
option2_cate_text[5][2]="Animals";
option2_cate_text[6][0]="Country Parks";
option2_cate_text[7][0]="Water Sport";
option2_cate_text[8][0]="Governmental Construction";
option2_cate_text[8][1]="Civilian Construction";
option2_cate_text[9][0]="Scenery";

option3_cate_text[0][0][0]="Shek O";
option3_cate_text[0][0][1]="Tai Po";
option3_cate_text[0][0][2]="Lantau Island";
option3_cate_text[0][0][3]="Lamma Island";
option3_cate_text[0][0][4]="Cheung Chau";
option3_cate_text[0][0][5]="Peng Chau";
option3_cate_text[0][0][6]="Tai O, Lantau Island";
option3_cate_text[0][1][0]="Yuen Long";
option3_cate_text[0][1][1]="Sheung Shui";
option3_cate_text[0][2][0]="Sai Wan";
option3_cate_text[1][0][0]="Pok Fu Lam";
option3_cate_text[2][0][0]="Tsuen Wan";
option3_cate_text[2][0][1]="Fanling";
option3_cate_text[2][1][0]="Diamond Hill";
option3_cate_text[2][1][1]="Tsuen Wan";
option3_cate_text[3][0][0]="Shek O";
option3_cate_text[3][0][1]="Lei Yue Mun";
option3_cate_text[3][0][2]="Lamma Island";
option3_cate_text[3][1][0]="Shek O";
option3_cate_text[3][2][0]="Yuen Long";
option3_cate_text[3][2][1]="Tai O, Lantau Island";
option3_cate_text[3][3][0]="Tai O, Lantau Island";
option3_cate_text[4][0][0]="Tsuen Wan";
option3_cate_text[4][0][1]="Yuen Long";
option3_cate_text[4][0][2]="Tsing Yi";
option3_cate_text[4][1][0]="Yuen Long";
option3_cate_text[5][0][0]="Yuen Long";
option3_cate_text[5][1][0]="Yuen Long";
option3_cate_text[5][1][1]="Tai O, Lantau Island";
option3_cate_text[5][2][0]="Tai O, Lantau Island";
option3_cate_text[6][0][0]="Tai Tam";
option3_cate_text[6][0][1]="Tai Po";
option3_cate_text[7][0][0]="Tuen Mun";
option3_cate_text[7][0][1]="Sai Kung";
option3_cate_text[8][0][0]="Central";
option3_cate_text[8][0][1]="Sai Wan";
option3_cate_text[8][0][2]="Tsim Sha Tsui Coast";
option3_cate_text[8][0][3]="West Kowloon";
option3_cate_text[8][0][4]="Tsuen Wan";
option3_cate_text[8][0][5]="Tai Po";
option3_cate_text[8][0][6]="Kwai Chung";
option3_cate_text[8][0][7]="Tsing Yi";
option3_cate_text[8][0][8]="Peng Chau";
option3_cate_text[8][1][0]="Tsing Yi";
option3_cate_text[9][0][0]="Tai Po";

option1_cate_value[0]="TSC1";
option1_cate_value[1]="TSC2";
option1_cate_value[2]="TSC3";
option1_cate_value[3]="TSC4";
option1_cate_value[4]="TSC5";
option1_cate_value[5]="TSC6";
option1_cate_value[6]="TSC7";
option1_cate_value[7]="TSC8";
option1_cate_value[8]="TSC9";
option1_cate_value[9]="TSC10";

option2_cate_value[0][0]="TSCSC1,1";
option2_cate_value[0][1]="TSCSC1,2";
option2_cate_value[0][2]="TSCSC1,3";
option2_cate_value[1][0]="TSCSC2,1";
option2_cate_value[2][0]="TSCSC3,1";
option2_cate_value[2][1]="TSCSC3,2";
option2_cate_value[3][0]="TSCSC4,1";
option2_cate_value[3][1]="TSCSC4,5";
option2_cate_value[3][2]="TSCSC4,8";
option2_cate_value[3][3]="TSCSC4,9";
option2_cate_value[4][0]="TSCSC5,1";
option2_cate_value[4][1]="TSCSC5,2";
option2_cate_value[5][0]="TSCSC6,1";
option2_cate_value[5][1]="TSCSC6,2";
option2_cate_value[5][2]="TSCSC6,3";
option2_cate_value[6][0]="TSCSC7,1";
option2_cate_value[7][0]="TSCSC8,2";
option2_cate_value[8][0]="TSCSC9,1";
option2_cate_value[8][1]="TSCSC9,2";
option2_cate_value[9][0]="TSCSC10,2";

option3_cate_value[0][0][0]="CYADZ1,1,4,21";
option3_cate_value[0][0][1]="CYADZ1,3,5,6";
option3_cate_value[0][0][2]="CYADZ1,4,1,1";
option3_cate_value[0][0][3]="CYADZ1,4,2,2";
option3_cate_value[0][0][4]="CYADZ1,4,3,3";
option3_cate_value[0][0][5]="CYADZ1,4,4,4";
option3_cate_value[0][0][6]="CYADZ1,4,1,8";
option3_cate_value[0][1][0]="CYADZ1,3,3,5";
option3_cate_value[0][1][1]="CYADZ1,3,4,10";
option3_cate_value[0][2][0]="CYADZ1,1,1,29";
option3_cate_value[1][0][0]="CYADZ1,1,4,7";
option3_cate_value[2][0][0]="CYADZ1,3,1,3";
option3_cate_value[2][0][1]="CYADZ1,3,4,1";
option3_cate_value[2][1][0]="CYADZ1,2,4,11";
option3_cate_value[2][1][1]="CYADZ1,3,1,3";
option3_cate_value[3][0][0]="CYADZ1,1,4,21";
option3_cate_value[3][0][1]="CYADZ1,2,5,22";
option3_cate_value[3][0][2]="CYADZ1,4,2,2";
option3_cate_value[3][1][0]="CYADZ1,1,4,21";
option3_cate_value[3][2][0]="CYADZ1,3,3,5";
option3_cate_value[3][2][1]="CYADZ1,4,1,8";
option3_cate_value[3][3][0]="CYADZ1,4,1,8";
option3_cate_value[4][0][0]="CYADZ1,3,1,3";
option3_cate_value[4][0][1]="CYADZ1,3,3,5";
option3_cate_value[4][0][2]="CYADZ1,3,8,37";
option3_cate_value[4][1][0]="CYADZ1,3,3,5";
option3_cate_value[5][0][0]="CYADZ1,3,3,5";
option3_cate_value[5][1][0]="CYADZ1,3,3,5";
option3_cate_value[5][1][1]="CYADZ1,4,1,8";
option3_cate_value[5][2][0]="CYADZ1,4,1,8";
option3_cate_value[6][0][0]="CYADZ1,1,4,27";
option3_cate_value[6][0][1]="CYADZ1,3,5,6";
option3_cate_value[7][0][0]="CYADZ1,3,2,4";
option3_cate_value[7][0][1]="CYADZ1,3,6,8";
option3_cate_value[8][0][0]="CYADZ1,1,1,1";
option3_cate_value[8][0][1]="CYADZ1,1,1,29";
option3_cate_value[8][0][2]="CYADZ1,2,1,24";
option3_cate_value[8][0][3]="CYADZ1,2,1,37";
option3_cate_value[8][0][4]="CYADZ1,3,1,3";
option3_cate_value[8][0][5]="CYADZ1,3,5,6";
option3_cate_value[8][0][6]="CYADZ1,3,8,9";
option3_cate_value[8][0][7]="CYADZ1,3,8,37";
option3_cate_value[8][0][8]="CYADZ1,4,4,4";
option3_cate_value[8][1][0]="CYADZ1,3,8,37";
option3_cate_value[9][0][0]="CYADZ1,3,5,6";

option1_area_text[0]="Central";
option1_area_text[1]="Pok Fu Lam";
option1_area_text[2]="Shek O";
option1_area_text[3]="Tai Tam";
option1_area_text[4]="Sai Wan";
option1_area_text[5]="Diamond Hill";
option1_area_text[6]="Lei Yue Mun";
option1_area_text[7]="Tsim Sha Tsui Coast";
option1_area_text[8]="West Kowloon";
option1_area_text[9]="Fanling";
option1_area_text[10]="Tsuen Wan";
option1_area_text[11]="Tuen Mun";
option1_area_text[12]="Yuen Long";
option1_area_text[13]="Tai Po";
option1_area_text[14]="Sai Kung";
option1_area_text[15]="Kwai Chung";
option1_area_text[16]="Sheung Shui";
option1_area_text[17]="Tsing Yi";
option1_area_text[18]="Lantau Island";
option1_area_text[19]="Lamma Island";
option1_area_text[20]="Cheung Chau";
option1_area_text[21]="Peng Chau";
option1_area_text[22]="Tai O, Lantau Island";

option2_area_text[0][0]="Metropolitan Scenery";
option2_area_text[1][0]="Historical Architecture";
option2_area_text[2][0]="Human and Cultural Scenery";
option2_area_text[2][1]="Geography Natural Scenery";
option2_area_text[3][0]="Country Parks";
option2_area_text[4][0]="Human and Cultural Scenery";
option2_area_text[4][1]="Metropolitan Scenery";
option2_area_text[5][0]="Religion Architecture";
option2_area_text[6][0]="Geography Natural Scenery";
option2_area_text[7][0]="Metropolitan Scenery";
option2_area_text[8][0]="Metropolitan Scenery";
option2_area_text[9][0]="Religion Architecture";
option2_area_text[10][0]="Religion Architecture";
option2_area_text[10][1]="Natural Ecology Scenery - Plant";
option2_area_text[10][2]="Metropolitan Scenery";
option2_area_text[11][0]="Sport Feature";
option2_area_text[12][0]="Human and Cultural Scenery";
option2_area_text[12][1]="Geography Natural Scenery";
option2_area_text[12][2]="Natural Ecology Scenery - Plant";
option2_area_text[12][3]="Natural Ecology Scenery - Animals";
option2_area_text[13][0]="Human and Cultural Scenery";
option2_area_text[13][1]="Country Parks";
option2_area_text[13][2]="Metropolitan Scenery";
option2_area_text[13][3]="Snapshot";
option2_area_text[14][0]="Sport Feature";
option2_area_text[15][0]="Metropolitan Scenery";
option2_area_text[16][0]="Human and Cultural Scenery";
option2_area_text[17][0]="Natural Ecology Scenery - Plant";
option2_area_text[17][1]="Metropolitan Scenery";
option2_area_text[18][0]="Human and Cultural Scenery";
option2_area_text[19][0]="Human and Cultural Scenery";
option2_area_text[19][1]="Geography Natural Scenery";
option2_area_text[20][0]="Human and Cultural Scenery";
option2_area_text[21][0]="Human and Cultural Scenery";
option2_area_text[21][1]="Metropolitan Scenery";
option2_area_text[22][0]="Human and Cultural Scenery";
option2_area_text[22][1]="Geography Natural Scenery";
option2_area_text[22][2]="Natural Ecology Scenery - Animals";

option3_area_text[0][0][0]="Governmental Construction";
option3_area_text[1][0][0]="Governmental Architecture";
option3_area_text[2][0][0]="Fishing village";
option3_area_text[2][1][0]="Ocean";
option3_area_text[2][1][1]="Wind";
option3_area_text[3][0][0]="Country Parks";
option3_area_text[4][0][0]="Festival";
option3_area_text[4][1][0]="Governmental Construction";
option3_area_text[5][0][0]="Buddhism";
option3_area_text[6][0][0]="Ocean";
option3_area_text[7][0][0]="Governmental Construction";
option3_area_text[8][0][0]="Governmental Construction";
option3_area_text[9][0][0]="Taoism";
option3_area_text[10][0][0]="Taoism";
option3_area_text[10][0][1]="Buddhism";
option3_area_text[10][1][0]="Flowers and grass";
option3_area_text[10][2][0]="Governmental Construction";
option3_area_text[11][0][0]="Water Sport";
option3_area_text[12][0][0]="Rural village";
option3_area_text[12][1][0]="Stream";
option3_area_text[12][2][0]="Flowers and grass";
option3_area_text[12][2][1]="Tree";
option3_area_text[12][3][0]="Insects";
option3_area_text[12][3][1]="Birds";
option3_area_text[13][0][0]="Fishing village";
option3_area_text[13][1][0]="Country Parks";
option3_area_text[13][2][0]="Governmental Construction";
option3_area_text[13][3][0]="Scenery";
option3_area_text[14][0][0]="Water Sport";
option3_area_text[15][0][0]="Governmental Construction";
option3_area_text[16][0][0]="Rural village";
option3_area_text[17][0][0]="Flowers and grass";
option3_area_text[17][1][0]="Governmental Construction";
option3_area_text[17][1][1]="Civilian Construction";
option3_area_text[18][0][0]="Fishing village";
option3_area_text[19][0][0]="Fishing village";
option3_area_text[19][1][0]="Ocean";
option3_area_text[20][0][0]="Fishing village";
option3_area_text[21][0][0]="Fishing village";
option3_area_text[21][1][0]="Governmental Construction";
option3_area_text[22][0][0]="Fishing village";
option3_area_text[22][1][0]="Stream";
option3_area_text[22][1][1]="River";
option3_area_text[22][2][0]="Birds";
option3_area_text[22][2][1]="Animals";

option1_area_value[0]="CYADZ1,1,1,1";
option1_area_value[1]="CYADZ1,1,4,7";
option1_area_value[2]="CYADZ1,1,4,21";
option1_area_value[3]="CYADZ1,1,4,27";
option1_area_value[4]="CYADZ1,1,1,29";
option1_area_value[5]="CYADZ1,2,4,11";
option1_area_value[6]="CYADZ1,2,5,22";
option1_area_value[7]="CYADZ1,2,1,24";
option1_area_value[8]="CYADZ1,2,1,37";
option1_area_value[9]="CYADZ1,3,4,1";
option1_area_value[10]="CYADZ1,3,1,3";
option1_area_value[11]="CYADZ1,3,2,4";
option1_area_value[12]="CYADZ1,3,3,5";
option1_area_value[13]="CYADZ1,3,5,6";
option1_area_value[14]="CYADZ1,3,6,8";
option1_area_value[15]="CYADZ1,3,8,9";
option1_area_value[16]="CYADZ1,3,4,10";
option1_area_value[17]="CYADZ1,3,8,37";
option1_area_value[18]="CYADZ1,4,1,1";
option1_area_value[19]="CYADZ1,4,2,2";
option1_area_value[20]="CYADZ1,4,3,3";
option1_area_value[21]="CYADZ1,4,4,4";
option1_area_value[22]="CYADZ1,4,1,8";

option2_area_value[0][0]="TSC9";
option2_area_value[1][0]="TSC2";
option2_area_value[2][0]="TSC1";
option2_area_value[2][1]="TSC4";
option2_area_value[3][0]="TSC7";
option2_area_value[4][0]="TSC1";
option2_area_value[4][1]="TSC9";
option2_area_value[5][0]="TSC3";
option2_area_value[6][0]="TSC4";
option2_area_value[7][0]="TSC9";
option2_area_value[8][0]="TSC9";
option2_area_value[9][0]="TSC3";
option2_area_value[10][0]="TSC3";
option2_area_value[10][1]="TSC5";
option2_area_value[10][2]="TSC9";
option2_area_value[11][0]="TSC8";
option2_area_value[12][0]="TSC1";
option2_area_value[12][1]="TSC4";
option2_area_value[12][2]="TSC5";
option2_area_value[12][3]="TSC6";
option2_area_value[13][0]="TSC1";
option2_area_value[13][1]="TSC7";
option2_area_value[13][2]="TSC9";
option2_area_value[13][3]="TSC10";
option2_area_value[14][0]="TSC8";
option2_area_value[15][0]="TSC9";
option2_area_value[16][0]="TSC1";
option2_area_value[17][0]="TSC5";
option2_area_value[17][1]="TSC9";
option2_area_value[18][0]="TSC1";
option2_area_value[19][0]="TSC1";
option2_area_value[19][1]="TSC4";
option2_area_value[20][0]="TSC1";
option2_area_value[21][0]="TSC1";
option2_area_value[21][1]="TSC9";
option2_area_value[22][0]="TSC1";
option2_area_value[22][1]="TSC4";
option2_area_value[22][2]="TSC6";

option3_area_value[0][0][0]="TSCSC9,1";
option3_area_value[1][0][0]="TSCSC2,1";
option3_area_value[2][0][0]="TSCSC1,1";
option3_area_value[2][1][0]="TSCSC4,1";
option3_area_value[2][1][1]="TSCSC4,5";
option3_area_value[3][0][0]="TSCSC7,1";
option3_area_value[4][0][0]="TSCSC1,3";
option3_area_value[4][1][0]="TSCSC9,1";
option3_area_value[5][0][0]="TSCSC3,2";
option3_area_value[6][0][0]="TSCSC4,1";
option3_area_value[7][0][0]="TSCSC9,1";
option3_area_value[8][0][0]="TSCSC9,1";
option3_area_value[9][0][0]="TSCSC3,1";
option3_area_value[10][0][0]="TSCSC3,1";
option3_area_value[10][0][1]="TSCSC3,2";
option3_area_value[10][1][0]="TSCSC5,1";
option3_area_value[10][2][0]="TSCSC9,1";
option3_area_value[11][0][0]="TSCSC8,2";
option3_area_value[12][0][0]="TSCSC1,2";
option3_area_value[12][1][0]="TSCSC4,8";
option3_area_value[12][2][0]="TSCSC5,1";
option3_area_value[12][2][1]="TSCSC5,2";
option3_area_value[12][3][0]="TSCSC6,1";
option3_area_value[12][3][1]="TSCSC6,2";
option3_area_value[13][0][0]="TSCSC1,1";
option3_area_value[13][1][0]="TSCSC7,1";
option3_area_value[13][2][0]="TSCSC9,1";
option3_area_value[13][3][0]="TSCSC10,2";
option3_area_value[14][0][0]="TSCSC8,2";
option3_area_value[15][0][0]="TSCSC9,1";
option3_area_value[16][0][0]="TSCSC1,2";
option3_area_value[17][0][0]="TSCSC5,1";
option3_area_value[17][1][0]="TSCSC9,1";
option3_area_value[17][1][1]="TSCSC9,2";
option3_area_value[18][0][0]="TSCSC1,1";
option3_area_value[19][0][0]="TSCSC1,1";
option3_area_value[19][1][0]="TSCSC4,1";
option3_area_value[20][0][0]="TSCSC1,1";
option3_area_value[21][0][0]="TSCSC1,1";
option3_area_value[21][1][0]="TSCSC9,1";
option3_area_value[22][0][0]="TSCSC1,1";
option3_area_value[22][1][0]="TSCSC4,8";
option3_area_value[22][1][1]="TSCSC4,9";
option3_area_value[22][2][0]="TSCSC6,2";
option3_area_value[22][2][1]="TSCSC6,3";

function load_option(){
	document.category_search.category.options[0]=new Option("please select CATEGORIES","",false,false);
	document.category_search.category.options[1]=new Option("","",false,false);
	document.category_search.subcategory.options[0]=new Option("← please select SUBCATEGORIES","",false,false);
	document.category_search.location.options[0]=new Option("← please select DISTRICT","",false,false);
	var index_cate=0;
	var i=2;
	while (index_cate<10){
		if (i%2==0){
			document.category_search.category.options[i]=new Option(option1_cate_text[index_cate],option1_cate_value[index_cate],false,false);
			index_cate++;
			i++;
		}else{
			document.category_search.category.options[i]=new Option("","",false,false);
			i++;
		}
	}
	document.area_search.location.options[0]=new Option("please select DISTRICT","",false,false);
	document.area_search.location.options[1]=new Option("","",false,false);
	document.area_search.category.options[0]=new Option("← please select CATEGORIES","",false,false);
	document.area_search.subcategory.options[0]=new Option("← please select SUBCATEGORIES","",false,false);
	var i=2;
	var index_area=0;
	while (index_area<23){
		if (i%2==0){
			document.area_search.location.options[i]=new Option(option1_area_text[index_area],option1_area_value[index_area],false,false);
			index_area++;
			i++;
		}else{
			document.area_search.location.options[i]=new Option("","",false,false);
			i++;
		}	
	}
}

function menu1_cate(){
	select1=document.category_search.category[document.category_search.category.selectedIndex].text;
//	alert(select1);
	for (i=0;i<10;i++){
		if (select1==option1_cate_text[i]){
			index_search_1=i;
			break;
		}
	}
	var cate2_length=0;
	var option_length;
	var cate2_index=0;
	var i=2;
	for (x=0;x<document.category_search.subcategory.length;x++){
		document.category_search.subcategory.options[x]=null;
	}
	for (x in option2_cate_text[index_search_1]){
		cate2_length++;
	}
	option_length=2*cate2_length+1;
	document.category_search.subcategory.options[0]=new Option("← please select CATEGORIES","",false,false);
	document.category_search.subcategory.options[1]=new Option("","",false,false);
//	alert(cate2_length);
//	alert(option_length);
	while ((cate2_index<cate2_length)&&(i<option_length)){
		if (i%2==0){
			document.category_search.subcategory.options[i]=new Option(option2_cate_text[index_search_1][cate2_index],option2_cate_value[index_search_1][cate2_index],false,false);
			cate2_index++;
			i++;
		}else{
			document.category_search.subcategory.options[i]=new Option("","",false,false);
			i++;
		}
	}
}
function menu2_cate(){
	select2=document.category_search.subcategory[document.category_search.subcategory.selectedIndex].text;
//	alert(select1);
	for (i=0;i<option2_cate_text[index_search_1].length;i++){
		if (select2==option2_cate_text[index_search_1][i]){
			index_search_2=i;
			break;
		}
	}
//	alert(index_search_1);
//	alert(index_search_2);
	var cate3_length=0;
	var option_length;
	var cate3_index=0;
//	var temp;
	var i=2;
//	var k=0;
	for (x=0;x<document.category_search.location.length;x++){
		document.category_search.location.options[x]=null;
	}
/*	if (document.category_search.subcategory.length > option3_cate_text[index_search_1][index_search_2].length){
		cate3_length=document.category_search.subcategory.length;
	}else{
		cate3_length=option3_cate_text[index_search_1][index_search_2].length;
	}*/
	for (j in option3_cate_text[index_search_1][index_search_2]){
		//temp=temp+option3_cate_text[index_search_1][index_search_2][j]+"*<br/>";
		cate3_length++;
	}
//	alert(k);
	option_length=2*(cate3_length)+1;
	document.category_search.location.options[0]=new Option("← please select SUBCATEGORIES","",false,false);
	document.category_search.location.options[1]=new Option("","",false,false);
	while ((cate3_index<cate3_length)){
		if (i%2==0){
			document.category_search.location.options[i]=new Option(option3_cate_text[index_search_1][index_search_2][cate3_index],option3_cate_value[index_search_1][index_search_2][cate3_index],false,false);
			cate3_index++;
			i++;
		}else{
			document.category_search.location.options[i]=new Option("","",false,false);
			i++;
		}
	}
}
function menu1_area(){
	select1=document.area_search.location[document.area_search.location.selectedIndex].text;
//	alert(select1);
	for (i=0;i<23;i++){
		if (select1==option1_area_text[i]){
			index_search_area_1=i;
			break;
		}
	}
	var area2_length=0;
	var option_length;
	var area2_index=0;
	var i=2;
	for (x=0;x<document.area_search.category.length;x++){
		document.area_search.category.options[x]=null;
	}
	for (x in option2_area_text[index_search_area_1]){
		area2_length++;
	}
	option_length=2*area2_length+1;
	document.area_search.category.options[0]=new Option("← please select DISTRICT","",false,false);
	document.area_search.category.options[1]=new Option("","",false,false);
	while ((area2_index<area2_length)&&(i<option_length)){
		if (i%2==0){
			document.area_search.category.options[i]=new Option(option2_area_text[index_search_area_1][area2_index],option2_area_value[index_search_area_1][area2_index],false,false);
			area2_index++;
			i++;
		}else{
			document.area_search.category.options[i]=new Option("","",false,false);
			i++;
		}
	}
	
}
function menu2_area(){
	select2=document.area_search.category[document.area_search.category.selectedIndex].text;
//	alert(select1);
	for (i=0;i<option2_area_text[index_search_area_1].length;i++){
		if (select2==option2_area_text[index_search_area_1][i]){
			index_search_area_2=i;
			break;
		}
	}
//	alert(select2);
//	alert(index_search_2);
	var area3_length=0;
	var option_length;
	var area3_index=0;
//	var temp;
	var i=2;
//	var k=0;
	for (x=0;x<document.area_search.subcategory.length;x++){
		document.area_search.subcategory.options[x]=null;
	}
	for (j in option3_area_text[index_search_area_1][index_search_area_2]){
		//temp=temp+option3_cate_text[index_search_1][index_search_2][j]+"*<br/>";
		area3_length++;
	}
	document.area_search.subcategory.options[0]=new Option("← please select CATEGORIES","",false,false);
	document.area_search.subcategory.options[1]=new Option("","",false,false);
	while ((area3_index<area3_length)){
		if (i%2==0){
			document.area_search.subcategory.options[i]=new Option(option3_area_text[index_search_area_1][index_search_area_2][area3_index],option3_area_value[index_search_area_1][index_search_area_2][area3_index],false,false);
			area3_index++;
			i++;
		}else{
			document.area_search.subcategory.options[i]=new Option("","",false,false);
			i++;
		}
	}
}

function submit_alert_cate(thisform){
	with (thisform){
		if (category[category.selectedIndex].value==""){
			alert("◆please select CATEGORIES")
			category.focus()
			return false
		}else if (subcategory[subcategory.selectedIndex].value==""){
			alert("◆please select SUBCATEGORIES")
			subcategory.focus()
			return false
		}else if (location[location.selectedIndex].value==""){
			alert("◆please select DISTRICT")
			location.focus()
			return false
		}else{
			return true
		}
	}
}