var script = document.createElement("script");
script.src = "http://api.map.baidu.com/api?v=1.1&callback=initMap";
document.body.appendChild(script);

//标注点数组
var markerArr;

function initMap() {
    if ((window.location.href.indexOf(".aspx") < 0
    && window.location.href.indexOf(".html") < 0)
    ||window.location.href.indexOf("Default.aspx") > 0) {
        createDefultPageMap();
    }
    if (window.location.href.indexOf("Buyer.aspx") > 0) {
        createBuyerPageMap();
    }


}
//创建地图函数：
function createBuyerPageMap() {

    var pieces = window.location.href.split("&");
    for (var i = pieces.length-1; i > 0; i--) {
        try {
            var keyvalue = pieces[i].split("=");
            if (keyvalue[0] == "point") {
                var pointValue = keyvalue[1];
                var x = pointValue.split("|")[0];
                var y = pointValue.split("|")[1];
                var map = new BMap.Map("ditu");
                var thisPoint = new BMap.Point(x, y);
                map.centerAndZoom(thisPoint, 15);
                var thisMarker = new BMap.Marker(thisPoint);
                map.addOverlay(thisMarker);
                break;
            }
        }
        catch (e) { }
    } 


   
}


function createDefultPageMap()
{
    createMap(); //创建地图
    setMapEvent(); //设置地图事件
    addMapControl(); //向地图添加控件


    HanZiAjax({ type: "POST", url: "Common/FetchData.aspx", onSuccess: onS, timeout: 40000, data: null });
    function onS(xhr) {
        if (xhr) {
            markerArr = eval(xhr);
            if (markerArr != undefined) {
                addMarker(); //向地图中添加marker
            }

        }

    }


    //addRemark(); //向地图中添加文字标注
}
//创建地图函数：
function createMap() {
    var map = new BMap.Map("dituContent"); //在百度地图容器中创建一个地图
    var point = new BMap.Point(116.376098, 39.970696); //定义一个中心点坐标
    map.centerAndZoom(point, 12); //设定地图的中心点和坐标并将地图显示在地图容器中
    window.map = map; //将map变量存储在全局
}

//地图事件设置函数：
function setMapEvent() {
    map.enableDragging(); //启用地图拖拽事件，默认启用(可不写)
    map.enableScrollWheelZoom(); //启用地图滚轮放大缩小
    map.enableDoubleClickZoom(); //启用鼠标双击放大，默认启用(可不写)
    map.enableKeyboard(); //启用键盘上下左右键移动地图
}

//地图控件添加函数：
function addMapControl() {
    //向地图中添加缩放控件
    var ctrl_nav = new BMap.NavigationControl({ anchor: BMAP_ANCHOR_TOP_LEFT, type: BMAP_NAVIGATION_CONTROL_LARGE });
    map.addControl(ctrl_nav);
    //向地图中添加缩略图控件
    var ctrl_ove = new BMap.OverviewMapControl({ anchor: BMAP_ANCHOR_BOTTOM_RIGHT, isOpen: 1 });
    map.addControl(ctrl_ove);
    //向地图中添加比例尺控件
    var ctrl_sca = new BMap.ScaleControl({ anchor: BMAP_ANCHOR_BOTTOM_LEFT });
    map.addControl(ctrl_sca);
}
//

//创建marker
function addMarker() {
    for (var i = 0; i < markerArr.length; i++) {
        var json = markerArr[i];
        var p0 = json.point.split("|")[0];
        var p1 = json.point.split("|")[1];
        var point = new BMap.Point(p0, p1);
       // var iconImg = createIcon(json.icon);
       // var marker = new BMap.Marker(point, { icon: iconImg });
        var marker = new BMap.Marker(point);
        var iw = createInfoWindow(i);
        var label = new BMap.Label(json.title, { "offset": new BMap.Size(json.icon.lb - json.icon.x + 10, -20) });
        marker.setLabel(label);
        map.addOverlay(marker);
        label.setStyle({
            borderColor: "#808080",
            color: "#333",
            cursor: "pointer"
        });

        (function () {
            var index = i;
            var _iw = createInfoWindow(i);
            var _marker = marker;
            _marker.addEventListener("click", function () {
                this.openInfoWindow(_iw);
            });
            _iw.addEventListener("open", function () {
                _marker.getLabel().hide();
            })
            _iw.addEventListener("close", function () {
                _marker.getLabel().show();
            })
            label.addEventListener("click", function () {
                _marker.openInfoWindow(_iw);
            })
            if (!!json.isOpen) {
                label.hide();
                _marker.openInfoWindow(_iw);
            }
        })()
    }
}
//创建InfoWindow
function createInfoWindow(i) {
    var json = markerArr[i];
    var iw = new BMap.InfoWindow("<b class='iw_poi_title' title='" + json.title + "'>" + json.title + "</b><div class='iw_poi_content'>" + json.content + "</div>");
    return iw;
}
//创建一个Icon
function createIcon(json) {
    var icon = new BMap.Icon("http://openapi.baidu.com/map/images/us_mk_icon.png", new BMap.Size(json.w, json.h), { imageOffset: new BMap.Size(-json.l, -json.t), infoWindowOffset: new BMap.Size(json.lb + 5, 1), offset: new BMap.Size(json.x, json.h) })
    return icon;
}
//文字标注数组
var lbPoints = [{ point: "116.377535|39.921576", content: "长安街的文字标记" }
		 , { point: "116.355688|40.013591", content: "奥林的文字标记" }
		 ];
//向地图中添加文字标注函数
function addRemark() {
    for (var i = 0; i < lbPoints.length; i++) {
        var json = lbPoints[i];
        var p1 = json.point.split("|")[0];
        var p2 = json.point.split("|")[1];
        var label = new BMap.Label("<div style='padding:2px;'>" + json.content + "</div>", { point: new BMap.Point(p1, p2), offset: new BMap.Size(3, -6) });
        map.addOverlay(label);
        label.setStyle({ borderColor: "#999" });
    }
}