Actionscript ayuda

/ Code Credit: Lee Brimelow
// Tutorial Reference URL:
// Modified by

stop();

// total is length of label_list OR link_list
// OR total frames inside "flashmo thumbnails"
var total:Number = 12;
// length of label_list array and length of link_list array must be equal
// to length of frames inside "flashmo thumbnails" movieclip

var label_list:Array = new Array( "041_horizontal_scroller", "042_vertical_scroller", "043_intro", "044_intro", "045_elastic", "046_thumbnail_xml", "047_present", "048_vertical_menu_xml", "049_horizontal_menu_xml", "050_star_effect", "051_star_motion", "052_design");

var link_list:Array = new Array("http://www.flashmo.com/preview/flashmo_041_horizontal_scroller", "http://www.flashmo.com/preview/flashmo_042_vertical_scroller", "http://www.flashmo.com/preview/flashmo_043_intro", "http://www.flashmo.com/preview/flashmo_044_intro", "http://www.flashmo.com/preview/flashmo_045_elastic", "http://www.flashmo.com/preview/flashmo_046_thumbnail_xml", "http://www.flashmo.com/preview/flashmo_047_present", "http://www.flashmo.com/preview/flashmo_048_vertical_menu_xml", "http://www.flashmo.com/preview/flashmo_049_horizontal_menu_xml", "http://www.flashmo.com/preview/flashmo_050_star_effect", "http://www.flashmo.com/preview/flashmo_051_star_motion", "http://www.flashmo.com/preview/flashmo_052_design");

var radiusX:Number = 330;
var radiusY:Number = 90;
var centerX:Number = 400;
var centerY:Number = 140;
var speed:Number = 0.005;
tn_group_mc._visible = false;
info.text = ""; fm_label.text = "";

for( var i = 0; i < total; i++)
{
    var t = tn_group_mc.duplicateMovieClip("tn"+i, i);
    t.tn_mc.gotoAndStop(i+1); t.tn_shadow_mc.gotoAndStop(i+1);
    t.fm_label = label_list[i];
    t.fm_url = link_list[i];

    t.angle = i * ((Math.PI*2)/total);
    t.onEnterFrame = mover;

    t.fm_button.onRollOver = function()
    {
        fm_label.text = "Title: " + this._parent.fm_label;
        info.text = "URL: " + this._parent.fm_url;
    }
    t.fm_button.onRollOut = function()
    {
        info.text = ""; fm_label.text = "";
    }
    t.fm_button.onRelease = function()
    {
        getURL( this._parent.fm_url );
    }
}
function mover()
{
    this._x = Math.cos(this.angle) * radiusX + centerX;
    this._y = Math.sin(this.angle) * radiusY + centerY;
    var s = this._y /(centerY+radiusY);
    this._xscale = this._yscale = s*100;
    this.angle += this._parent.speed;
    this.swapDepths(Math.round(this._xscale) + 100);
}
this.onMouseMove = function()
{
    speed = (this._xmouse-centerX) * 0.0001;
}