function TextCopy(a)
{
    var arrayCity = new Array();
    arrayCity[0] = ""; //经纬度
    arrayCity[1] = a;  //名称
    arrayCity[2] = ""; //编号
    arrayCity[3] = ""; //缩放级别
    var bFind = false;
    for(i = 0; i < cityData.province.length; i++)
    {
        var province = cityData.province[i];
        for(j = 0; j < province.city.length; j++)
        {
            var city = province.city[j];
            var strCity = city.cityName;
            if(a == strCity || a=="全国")
            {
                arrayCity[0] = city.citylatlon;
                arrayCity[2] = city.citycode;
                arrayCity[3] = city.cityzoom;
                bFind = true;
                break;
            }
        }
        if(bFind) break;
    }
    if(bFind)
        return arrayCity;
    else
    {
        alert("请选择省会中的城市!");
        return false;  
    }
}