function getElements() {
    var s = document.getElementById("txt_start").value;
    var e = document.getElementById("txt_end").value;
    //alert(s.toString() + " to " + e.toString());
    myfunction(s, e);
}
function myfunction(start,end) {
    //121.507813, 31.242056
    

    var gc = new BMap.Geocoder();
    var transit = new BMap.TransitRoute(map, {
        renderOptions: { map: map, panel: "results" }
    });
    transit.search(start, end);

   // alert(start + " to " + end);

}
function getElementsCar() {
    var s = document.getElementById("txt_start").value;
    var e = document.getElementById("txt_end").value;
    //alert(s.toString() + " to " + e.toString());
    myfunctionCar(s, e);
}
function myfunctionCar(start, end) {
    //121.507813, 31.242056
    var driving = new BMap.DrivingRoute(map, { renderOptions: { map: map, panel: "drvresults", autoViewport: true} });
    driving.search(start, end);
}
function getElementsMP() {
    var s = document.getElementById("Text5").value;   
    //alert(s.toString() + " to " + e.toString());
    myfunctionMP(s);
}
function myfunctionMP(add) {
    //121.507813, 31.242056
    var myGeo = new BMap.Geocoder();
    // 将地址解析结果显示在地图上,并调整地图视野
    myGeo.getPoint(add, function (point) {
        if (point) {
            map.centerAndZoom(point, 16);
            map.addOverlay(new BMap.Marker(point));
        }
    }, "上海市");
}