function queryClick()
{
    var fromCity = document.getElementById('txtFromCity').value;
    var toCity = document.getElementById('txtArriveCity').value;
    var takeOffDate = document.getElementById('txtLeaveDate').value;
    var takeOffDate2 = Date.parseLocale(takeOffDate, 'yyyy-MM-dd');
    
    if(fromCity == "")
    {
        document.getElementById('txtFromCity').select();
        alert("请输入出发城市，例如：北京");
        return;
    }
    if(toCity == "")
    {
        document.getElementById('txtArriveCity').select();
        alert("请输入到达城市，例如：成都");
        return;
    }
    if(takeOffDate2 == null)
    {
        document.getElementById('txtLeaveDate').select();
        alert("请输入出发日期，例如：2009-06-21");
        return;
    }
    var reg=/（\w+）/g;
    if(window.location.hostname.toLowerCase() == 'localhost' || window.location.hostname.toLowerCase() == '192.168.1.100')
    {
        window.open("http://www.kmplane.com/goto.asp?from=" + fromCity.replace(reg,'') + "&to=" + toCity.replace(reg,'') + "&date=" + takeOffDate);
    }
    else
    {
        window.open("http://www.kmplane.com/goto.asp?from=" + fromCity.replace(reg,'') + "&to=" + toCity.replace(reg,'') + "&date=" + takeOffDate);
    }
}