1         var count = pointX.length;
 2         var polyArray = [];
 3         for (i = 0; i < count; i++) { 
             polyArray[i] = new BMap.Point(pointX[i], pointY[i]);
 7         }
 8         var polyline = new BMap.Polyline(polyArray,
 9                   { strokeColor: "blue", strokeWeight: 6, strokeOpacity: 0.5 });
10         map.addOverlay(polyline);                

 1         var x1 = pointY[0];
 2         var y1 =  pointX[0];
 3         var x2 = pointY[1];
 4         var y2 = pointX[1];
 5         var x3 = pointY[2];
 6         var y3 = pointX[2];
 7         var x4 = pointY[3];
 8         var y4 = pointX[3];
 9         var x5 = pointY[4];
10         var y5 = pointX[4];
11         var polyArray = [];
12         polyArray[0] = new BMap.Point(x1, y1);
13         polyArray[1] = new BMap.Point(x2, y2);
14         polyArray[2] = new BMap.Point(x3, y3);
15         polyArray[3] = new BMap.Point(x4, y4);
16         polyArray[4] = new BMap.Point(x5, y5);
17 
18         var polyline = new BMap.Polyline(polyArray, { strokeColor: "blue", strokeWeight: 6, strokeOpacity: 0.5 });
19         map.addOverlay(polyline);