function get_mrt_data()
	{
		var param=get_mrt_data.arguments;
		var p = new Array();
		p["1"]={"line_title": "木柵線", "stations":{"67":"動物園站","66":"木柵站","65":"萬芳社區站","64":"萬芳醫院站","63":"辛亥站","62":"麟光站","61":"六張犁站","60":"科技大樓站","59":"大安站","50":"忠孝復興站","58":"南京東路站","57":"中山國中站"}};
		p["2"]={"line_title": "板南線", "stations":{"56":"昆陽站","55":"後山埤站","54":"永春站","53":"市政府站","52":"國父紀念館站","51":"忠孝敦化站","50":"忠孝復興站","49":"忠孝新生站","48":"善導寺站","20":"台北車站","47":"西門站","46":"龍山寺站","45":"江子翠站","44":"新埔站","43":"板橋站","42":"府中站","41":"亞東醫院站","40":"海山站","39":"土城站","38":"永寧站"}};
		p["4"]={"line_title": "北投線(北投-南勢角)", "stations":{"27":"南勢角站","26":"景安站","25":"永安市場站","24":"頂溪站","23":"古亭站","22":"中正紀念堂站","21":"台大醫院站","20":"台北車站","19":"中山站","18":"雙連站","17":"民權西路站","16":"圓山站","15":"劍潭站","14":"士林站","13":"芝山站","12":"明德站","11":"石牌站","10":"唭哩岸站","9":"奇岩站","7":"北投站"}};
		p["8"]={"line_title": "淡水線(淡水-新店)", "stations":{"36":"新店站","35":"新店市公所站","33":"七張站","32":"大坪林站","31":"景美站","30":"萬隆站","29":"公館站","28":"台電大樓站","23":"古亭站","22":"中正紀念堂站","21":"台大醫院站","20":"台北車站","19":"中山站","18":"雙連站","17":"民權西路站","16":"圓山站","15":"劍潭站","14":"士林站","13":"芝山站","12":"明德站","11":"石牌站","10":"唭哩岸站","9":"奇岩站","7":"北投站","6":"復興崗站","5":"忠義站","4":"關渡站","3":"竹圍站","2":"紅樹林站","1":"淡水站"}};
		p["16"]={"line_title": "新北投線", "stations":{"7":"北投站","8":"新北投站"}};
		p["32"]={"line_title": "西門線", "stations":{"22":"中正紀念堂站","37":"小南門站","47":"西門站"}};
		p["64"]={"line_title": "小碧潭線", "stations":{"34":"小碧潭站","33":"七張站"}};
		if (param.length==1)
			return p[param[0]];
		else if (param.length==2)
			return p[param[0]]["stations"][param[1]];
		else
			return p;
	}



	function get_mrt_station(line_key, target_select)
	{
		if (line_key=='1')	// 木柵線
		{
		var tmp=new Array();
		tmp[0] = new Option("動物園站", "67");
		tmp[1] = new Option("木柵站", "66");
		tmp[2] = new Option("萬芳社區站", "65");
		tmp[3] = new Option("萬芳醫院站", "64");
		tmp[4] = new Option("辛亥站", "63");
		tmp[5] = new Option("麟光站", "62");
		tmp[6] = new Option("六張犁站", "61");
		tmp[7] = new Option("科技大樓站", "60");
		tmp[8] = new Option("大安站", "59");
		tmp[9] = new Option("忠孝復興站", "50");
		tmp[10] = new Option("南京東路站", "58");
		tmp[11] = new Option("中山國中站", "57");
		}
		if (line_key=='2')	// 板南線
		{
		var tmp=new Array();
		tmp[0] = new Option("昆陽站", "56");
		tmp[1] = new Option("後山埤站", "55");
		tmp[2] = new Option("永春站", "54");
		tmp[3] = new Option("市政府站", "53");
		tmp[4] = new Option("國父紀念館站", "52");
		tmp[5] = new Option("忠孝敦化站", "51");
		tmp[6] = new Option("忠孝復興站", "50");
		tmp[7] = new Option("忠孝新生站", "49");
		tmp[8] = new Option("善導寺站", "48");
		tmp[9] = new Option("台北車站", "20");
		tmp[10] = new Option("西門站", "47");
		tmp[11] = new Option("龍山寺站", "46");
		tmp[12] = new Option("江子翠站", "45");
		tmp[13] = new Option("新埔站", "44");
		tmp[14] = new Option("板橋站", "43");
		tmp[15] = new Option("府中站", "42");
		tmp[16] = new Option("亞東醫院站", "41");
		tmp[17] = new Option("海山站", "40");
		tmp[18] = new Option("土城站", "39");
		tmp[19] = new Option("永寧站", "38");
		}
		if (line_key=='4')	// 北投線(北投-南勢角)
		{
		var tmp=new Array();
		tmp[0] = new Option("南勢角站", "27");
		tmp[1] = new Option("景安站", "26");
		tmp[2] = new Option("永安市場站", "25");
		tmp[3] = new Option("頂溪站", "24");
		tmp[4] = new Option("古亭站", "23");
		tmp[5] = new Option("中正紀念堂站", "22");
		tmp[6] = new Option("台大醫院站", "21");
		tmp[7] = new Option("台北車站", "20");
		tmp[8] = new Option("中山站", "19");
		tmp[9] = new Option("雙連站", "18");
		tmp[10] = new Option("民權西路站", "17");
		tmp[11] = new Option("圓山站", "16");
		tmp[12] = new Option("劍潭站", "15");
		tmp[13] = new Option("士林站", "14");
		tmp[14] = new Option("芝山站", "13");
		tmp[15] = new Option("明德站", "12");
		tmp[16] = new Option("石牌站", "11");
		tmp[17] = new Option("唭哩岸站", "10");
		tmp[18] = new Option("奇岩站", "9");
		tmp[19] = new Option("北投站", "7");
		}
		if (line_key=='8')	// 淡水線(淡水-新店)
		{
		var tmp=new Array();
		tmp[0] = new Option("新店站", "36");
		tmp[1] = new Option("新店市公所站", "35");
		tmp[2] = new Option("七張站", "33");
		tmp[3] = new Option("大坪林站", "32");
		tmp[4] = new Option("景美站", "31");
		tmp[5] = new Option("萬隆站", "30");
		tmp[6] = new Option("公館站", "29");
		tmp[7] = new Option("台電大樓站", "28");
		tmp[8] = new Option("古亭站", "23");
		tmp[9] = new Option("中正紀念堂站", "22");
		tmp[10] = new Option("台大醫院站", "21");
		tmp[11] = new Option("台北車站", "20");
		tmp[12] = new Option("中山站", "19");
		tmp[13] = new Option("雙連站", "18");
		tmp[14] = new Option("民權西路站", "17");
		tmp[15] = new Option("圓山站", "16");
		tmp[16] = new Option("劍潭站", "15");
		tmp[17] = new Option("士林站", "14");
		tmp[18] = new Option("芝山站", "13");
		tmp[19] = new Option("明德站", "12");
		tmp[20] = new Option("石牌站", "11");
		tmp[21] = new Option("唭哩岸站", "10");
		tmp[22] = new Option("奇岩站", "9");
		tmp[23] = new Option("北投站", "7");
		tmp[24] = new Option("復興崗站", "6");
		tmp[25] = new Option("忠義站", "5");
		tmp[26] = new Option("關渡站", "4");
		tmp[27] = new Option("竹圍站", "3");
		tmp[28] = new Option("紅樹林站", "2");
		tmp[29] = new Option("淡水站", "1");
		}
		if (line_key=='16')	// 新北投線
		{
		var tmp=new Array();
		tmp[0] = new Option("北投站", "7");
		tmp[1] = new Option("新北投站", "8");
		}
		if (line_key=='32')	// 西門線
		{
		var tmp=new Array();
		tmp[0] = new Option("中正紀念堂站", "22");
		tmp[1] = new Option("小南門站", "37");
		tmp[2] = new Option("西門站", "47");
		}
		if (line_key=='64')	// 小碧潭線
		{
		var tmp=new Array();
		tmp[0] = new Option("小碧潭站", "34");
		tmp[1] = new Option("七張站", "33");
		}
        var aln=tmp.length;
		obj_sel = document.getElementById(target_select)
        for (var i=obj_sel.length-1;i>0;i--) obj_sel.options[i]=null; 
        for (var i=1;i<=aln;i++) obj_sel.options[i-1]= tmp[i]; 
        obj_sel.options[0].selected=true; 
	}