         border-left: 6px solid transparent;
            content: "";
            position: absolute;
            bottom: -6px;
            margin-left: -7px;
            left: 50%;
        }

        .tooltip-static:before {
            border-top-color: #ffcc33;
        }
    </style>

    <script type="text/javascript">
        var vectorSource=null;
        var map = null;
        var TiandiMap_vect = null;
        var TiandiMap_vectcia = null;
        var draw=null; //绘制工具
        var geodesicC