var cityArray=new Array(
new Array('1_2','海曙'),
new Array('1_3','江东'),
new Array('1_4','江北'),
new Array('1_5','鄞州'),
new Array('1_6','镇海'),
new Array('1_7','北仑'),
new Array('1_8','慈溪'),
new Array('1_9','余姚'),
new Array('1_10','奉化'),
new Array('1_11','象山'),
new Array('1_12','宁海')
);
var streetArray=new Array(
new Array('2_37','天一广场-城隍庙'),
new Array('2_38','镇明路-鼓楼'),
new Array('2_39','月湖公园'),
new Array('2_40','马园路-南站'),
new Array('2_41','翠柏路沿线'),
new Array('3_42','体育馆-惊驾路'),
new Array('3_43','百丈路沿线'),
new Array('3_44','彩虹路-华严街沿线'),
new Array('3_310','天伦广场'),
new Array('3_311','甬港南路'),
new Array('4_45','老外滩'),
new Array('4_46','宁波大剧院'),
new Array('5_47','万达广场'),
new Array('5_48','天童北路'),
new Array('5_49','东钱湖'),
new Array('6_51','镇海城区'),
new Array('6_52','九龙湖'),
new Array('7_53','北仑城区'),
new Array('7_54','大榭区'),
new Array('8_55','慈溪城区'),
new Array('8_56','杭州湾新区'),
new Array('9_60','余姚城区'),
new Array('9_61','四明山区'),
new Array('10_57','奉化城区'),
new Array('10_58','溪口'),
new Array('11_62','象山城区'),
new Array('11_63','石浦'),
new Array('12_64','西店'),
new Array('12_59','宁海城区')
);
function FillCitys(selCity){
	selCity.onchange=Function("City_onchange();");
    selCity.options[0]=new Option('请选择...',"0");
    for(i=0;i<cityArray.length;i++){
    	var city_value = cityArray[i][0].split('_')[1];
        selCity.options[i+1]=new Option(cityArray[i][1],city_value);
        if(city_id==city_value)
        	selCity.options[i+1].selected=true;
    }
    selCity.length=i+1;
}
function FillStreets(selStreet,StreetCode){
    selStreet.options[0]=new Option('请选择...','0');
    var indx=1;
    for(i=0;i<streetArray.length;i++){
    	var street_value = streetArray[i][0].split('_')[1];
    	var street_name = streetArray[i][1];
    	if(streetArray[i][0].split('_')[0]==StreetCode){
        	selStreet.options[indx]=new Option(street_name,street_value);
    		if(street_value==street_id)
    			selStreet.options[indx].selected=true;
        	indx++;
    	}
    }
    selStreet.length=indx;
}

function City_onchange(){
    FillStreets(g_selStreet,g_selCity.value);
}
//city,street都是对象,后面这个是初始化值parID_cId
var g_selCity,g_selStreet,street_id;
function InitSelect(city,street,areaId){
	street_id = areaId;
	city_id = getParId(street_id);
    g_selCity=city;
    g_selStreet=street;
    FillCitys(city);
    //初始化街道值
    FillStreets(street,city_id);
    street_id=0;
}
function getParId(cid){
    for(i=0;i<streetArray.length;i++){
    	var street_ParId = streetArray[i][0].split('_')[0];
    	var street_id = streetArray[i][0].split('_')[1];
    	if(street_id==cid){
        	return street_ParId;
        	break;
    	}
    }
}