今天做了一个图片浏览的练习,照着书本做的,可是老是见不到图片,希望高手帮我看看,谢谢!

m._alpha = 0;
a = 1;
back.onRelease=function(){
    if (a<5 && !fadein && fadeout) {
        fadeout = true;
        a++;
        input = a;
    }
};
next.onRelease=function(){
    if (a>1 && !fadein && fadeout) {
        fadeout = true;
        a--;
        input = a;
    }
};
_root.onEnterFrame = function() {
    if (m._alpha>10 && fadeout) {
        m._alpha -= 10;
    }
    if (m._alpha<10) {
        loadMovie("/images/image"+a+".jpg", "m");
        fadeout = false;
        fadein = true;
    }
    if (m._alpha<100 && fadein && !fadeout) {
        m._alpha += 10;
    } else {
        fadein = false;
    }
    if (fadeinput>5) {
        fadeinput = 5;
    }
    if (Key.isDown(Key.ENTER)) {
        fadeout = true;
        a = fadeinput;
    }
};

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