Draw Polyline

   var shape = null;
   function btnDrawPolyline_onclick() 
   {
      var arrCoord = new Array();
      arrCoord.push(new AGCoord(-25.75496,28.175741));
      arrCoord.push(new AGCoord(-25.792073,28.234453));
      arrCoord.push(new AGCoord(-25.735491,28.21255 ));
      arrCoord.push(new AGCoord(-25.744922,28.245404));
      arrCoord.push(new AGCoord(-25.700204,28.208291));
      arrCoord.push(new AGCoord(-25.764087,28.250575));

      if(shape instanceof AGPolyline)
         agmap.removeOverlay(shape);
         shape = new AGPolyline(arrCoord,new AGVectorStyleOptions("red",3,.7));

      agmap.addOverlay(shape);
   }