http://shineday.nease.net/
这里的代码是抄袭过来的，根本是为了说明问题和解决问题：）
var drag =0.1;
//震动参数
var flex =0.7;
//震动参数
mc._y =20;
mc.goalX =10; //装入动画后影片剪辑(也就是滑块)首先出现的位置
mc.onEnterFrame = function() {
this.Step =this.Step*flex+(this.goalX-this.px)*drag; //计算滑块移动步长的公式
this.px+=this.Step; //将步长累加，个人认为这个很重要，相当于一个循环，以本次移动步长为基准，进行下次累加
this._x =this.px; //使影片剪辑的X坐标轴等于
if (this.sOut && this._xscale<99.5) { /*这里是缩放影片剪辑*/
this._xscale += (100-this._xscale)/8;
}
if (this.sIn && this._xscale>0.1) {
this._xscale += -this._xscale/8;
}
};
////The First Button Events
b1.onRollOver = function() {
mc.goalX =this._x; //将按钮的X坐标值赋给影片剪辑的初始位置，也就是说，下次移动以这次的位置为原点这里根据按 钮和影片剪辑的大小而定，若按钮比影片剪辑小，相应的加上一些数值以作调节
mc.sOut = true; /*这里是把一个BOOBLE值返回给调用它的函数，如下：
if (this.sOut && this._xscale<99.5)，以控制整个影片剪辑的缩放功能*/
mc.sIn = false;
this.fadeOut = true;
this.fadeIn = false;
};
b1.onRollOut = function() {
mc.sOut = false;
mc.sIn = true;
this.fadeIn = true;
this.fadeOut = false;
};
//The second Button Events
b2.onRollOver = function() {
mc.goalX =this._x;
mc.sOut = true;
mc.sIn = false;
this.fadeOut = true;
this.fadeIn = false;
};
b2.onRollOut = function() {
mc.sOut = false;
mc.sIn = true;
this.fadeIn = true;
this.fadeOut = false;
};
//The Third Button Events
b3.onRollOver = function() {
mc.goalX =this._x;
mc.sOut = true;
mc.sIn = false;
this.fadeOut = true;
this.fadeIn = false;
};
b3.onRollOut = function() {
mc.sOut = false;
mc.sIn = true;
this.fadeIn = true;
this.fadeOut = false;
};
//The Fourth Button Events
b4.onRollOver = function() {
mc.goalX =this._x;
mc.sOut = true;
mc.sIn = false;
this.fadeOut = true;
this.fadeIn = false;
};
b4.onRollOut = function() {
mc.sOut = false;
mc.sIn = true;
this.fadeIn = true;
this.fadeOut = false;
};
//The Fifth Button Events
b5.onRollOver = function() {
mc.goalX =this._x;
//trace(mc.goalX);
mc.sOut = true;
mc.sIn = false;
this.fadeOut = true;
this.fadeIn = false;
};
b5.onRollOut = function() {
mc.sOut = false;
mc.sIn = true;
this.fadeIn = true;
this.fadeOut = false;
};
stop();
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