看效果：

代码如下：

var old:Number = 1;
//记录上张显示的图片
var oldGo:Boolean;
var oldpos:Number = 700;
var picNum:Number = 9;
//anliPath是用于加载外部图片的路径
//var anliPath:String = "works/1-";
for (i=1; i<=picNum; i++) {
        btn_mc.attachMovie("btn", "btn"+i, i);
        btn_mc["btn"+i]._y = 28*(i-1);
        btn_mc["btn"+i]._x = 10;
        btn_mc["btn"+i].no = i;
        btn_mc["btn"+i].page.text = i;
        btn_mc["btn"+i].btn.useHandCursor = false;
        btn_mc["btn"+i].btn.onRelease = function() {
                oldpos = oldpos*(-1);
                motion(oldpos, old);
                motion(0, this._parent.no);
                old = this._parent.no;
        };
        this.pic.createEmptyMovieClip("mc"+i, picNum-i);
        this.pic["mc"+i].no = i-1;
        if (i == 1) {
                this.pic["mc"+i]._x = 0;
        } else {
                this.pic["mc"+i]._x = -500;
        }
        //*****************attachMovie内部图片的代码****************
        this.pic["mc"+i].attachMovie("m"+i, "m"+i, 100-i);
        //*********************************加载外部图片的代码*******************
        //图片加载进度条的设置
        //
        //myLoader = new MovieClipLoader();
        //myListener = new Object();
        //myListener.onLoadProgress = function(loadTargetMC, loadedBytes, totalBytes) {
        //aa = (loadedBytes/totalBytes)*100;
        //txt.text = "己加载:"+int(aa)+"%";
        //};
        //myListener.onLoadStart = function(loadTargetMC) {
        //txt._visible = true;
        //this.pic["mc"+i].stop();
        //};
        //myListener.onLoadComplete = function(loadTargetMC) {
        //this.pic["mc"+i].play();
        //txt._visible = false;
        //if (i == 1) {
        //motion(1200, 1);
        //}
        //};
        //myLoader.addListener(myListener);
        //myLoader.loadClip(anliPath+i+".gif", this.pic["mc"+i]);
        //***************加载外部图片的代码结束**************
}
function motion(targetX:Number, no:Number) {
        pic["mc"+no].onEnterFrame = function() {
                this._x += (targetX-this._x)*0.3;
                if (Math.abs(targetX-this._x)<=0.3) {
                        this._x = targetX;
                        delete this.onEnterFrame;
                }
        };
}
stop(); 

源文件下载： 图片效果系列之四.rar