Necesito alguien que me ayude!!!

// Variables
stageWidth= guia_mc._width;
stageHeight= guia_mc._height;
wmodifier = 300;
hmodifier = 150;
/* .7 for decent bounce effect */
bouncefactor = .7;
/* 6 for nice speed */
speedfactor = 8;
expand = function (id) {
// colorSquare width
this.destwidth = wmodifier;
this.poswidth = id._width;
this.velwidth = this.velwidth*bouncefactor+(this.destwidth-this.poswidth)/speedfactor;
id._width += Math.round(this.velwidth);
// colorSquare height
this.destheight = hmodifier;
this.posheight = id._height;
this.velheight = this.velheight*bouncefactor+(this.destheight-this.posheight)/speedfactor;
id._height += Math.round(this.velheight);
// colorSquare x
this.destx = ((stageWidth-wmodifier)/2)+102.6;
this.posx = id._x;
this.velx = this.velx*bouncefactor+(this.destx-this.posx)/speedfactor;
id._x += Math.round(this.velx);
// colorSquare y
this.desty = ((stageHeight-hmodifier)/2)+75.4;
this.posy = id._y;
this.vely = this.vely*bouncefactor+(this.desty-this.posy)/speedfactor;
id._y += Math.round(this.vely);
// shadow properties
shadow._width = (colorSquare._width+20);
shadow._x = (colorSquare._x-10);
shadow._height = (colorSquare._height+20);
shadow._y = (colorSquare._y-10);

};
colorSquare.onEnterFrame = function() {
expand(this);
};