gistfile1.as

    private function drawTotalParticipation():void {
      this.graphics.lineStyle(1, 0x00FFFF);
      this.graphics.moveTo(0, 300);
      this.graphics.beginFill(0x00FFFF);
      for( var i:uint = 0; i < _data.length - 1; i++ ) {
        //this.graphics.drawCircle(i*10, 300 - _data[i].total, 2);
        this.graphics.lineTo((i+1)*10, 300 - _data[i+1].total);
      }
      //this.graphics.drawCircle((_data.length - 1)*10, 300 - _data[_data.length - 1].total, 2);
      this.graphics.lineTo(( _data.length-1 )* 10, 300);
      this.graphics.lineTo(0, 300)
      this.graphics.endFill();
    }