function PopInfo(varPolyLine)
      {
          for(i=1; i<len; i++)
          {
              if(varPolyLine == polylines[i])
               break;
          }
          polylines[i].setStrokeColor("red");
        
                 temp=IP[i];
        
        <%
                    Collection db=Points.getresult(IP);//此处应该得到源IP的地址变量
 
                  %>


          map.openInfoWindow(midinfoWindow[i], middle[i]);
      }