//声明
var url:URLRequest=new URLRequest("../ych.mp3");
var soundControl:SoundChannel=new SoundChannel();
var sound:Sound=new Sound();
var mp3position:Number=0;
sound.load(url);
//添加按钮监听
sound.addEventListener(Event.COMPLETE,completeMp3);
play_btn.addEventListener(MouseEvent.CLICK,playMp3);
stop_btn.addEventListener(MouseEvent.CLICK,stopMp3);
pause_btn.addEventListener(MouseEvent.CLICK,pauseMp3);
function completeMp3(e){
    soundControl=sound.play();
}
function playMp3(e){
    soundControl.stop();
    soundControl=sound.play(mp3position);
}
function stopMp3(e){
    soundControl.stop();
}
function pauseMp3(e){
    mp3position=soundControl.position;
    soundControl.stop();    
}
//添加滑块监听
hk_mc.addEventListener(MouseEvent.MOUSE_DOWN,hkdown);
hk_mc.addEventListener(MouseEvent.MOUSE_UP,hkup);
function hkdown(e){
    //取得滑道的x坐标
    var rx=hd_mc.x;
    //取得滑块的y坐标
    var ry=hk_mc.y;
    //取得矩形的长
    var rw=hd_mc.width-hk_mc.width;
    //取得矩形的高
    var rh=0;
    //定义个矩形范围用来规定滑块滑动的范围
    var range:Rectangle=new Rectangle(rx,ry,rw,rh);
    //false的作用是锁定到用户首次单击该 Sprite 时所在的点上 
    hk_mc.startDrag(false,range);
}
function hkup(e){
    hk_mc.stopDrag();
}