function searchByArea(cps, cpa, cpn, areaMapAddress) {
    var companys = cps;
    var companysaddress = cpa;
    var companyname = cpn;

    var map = new BMap.Map("milkMap");          // 创建地图实例
    var point = new BMap.Point(areaMapAddress.split(",")[0].toString(), areaMapAddress.split(",")[1].toString());  // 创建点坐标
    map.centerAndZoom(point, 13);                 // 初始化地图，设置中心点坐标和地图级别
    //map.addControl(new BMap.OverviewMapControl({ isOpen: 1, anchor: BMAP_ANCHOR_TOP_RIGHT }));      //为地图添加鹰眼
    map.addControl(new BMap.NavigationControl(opts));      //为地图添加鱼骨

    //给地图添加自定义的控件；
    ZoomControl.prototype.initialize = initSearch(map);
    var myZoomCtrl = new ZoomControl();
    map.addControl(myZoomCtrl);


    map.enableScrollWheelZoom(); //启动鼠标滚轮缩放地图
    map.enableKeyboard(); //启动键盘操作地图

    if (companys != "") {
        var c = companys.split("|");
        var caddress = companysaddress.split("|");
        var cname = companyname.split("|");

        if (c.length > 0) {
            for (var i = 0; i < c.length; i++) {
                var cc = c[i].split(",");
                //------------开始标注一个地点----------
                var pointMarker = new BMap.Point(cc[0], cc[1]);  // 创建标注的坐标
                var marker = new BMap.Marker(pointMarker);        // 创建标注
                map.addOverlay(marker);                     // 将标注添加到地图中

               [color=#FF0000] var infowindow = new BMap.InfoWindow(cname[i].toString() +
                                "<br /> <span style='font-size:10px;'>公司地址:" + caddress[i].toString() + 
                                "</span><br /><img src='../../images/telephone.ico' /><a href='#' style='line-height:3em;color:#005EAC;font-size:10px;text-decoration:none;'>88888888>></a>");  // 创建信息窗口对象

                marker.addEventListener("click", function () {        //给标注添加点击事件
                    this.openInfoWindow(infowindow);
                });[/color]
                var label = new BMap.Label(cname[i].toString(), { point: pointMarker, offset: new BMap.Size(3, -6) });       //定义一个文字标签
                map.addOverlay(label);
            }
        }
    }
}