Llamada a un GIF (java / ActionScript) en un rollover Flash?

import org.papervision3d.scenes.*;
import org.papervision3d.cameras.*;
import org.papervision3d.objects.*;
import org.papervision3d.materials.*;
import fl.transitions.Tween;
import fl.transitions.easing.*;
import flash.display.Sprite;
import flash.events.MouseEvent;

var container:Sprite = new Sprite();
container.x = 340;
container.y = 245;
addChild(container);

var scene:Scene3D = new MovieScene3D(container);
var cam:Camera3D = new Camera3D();
cam.zoom = 1;

tn_title.text = "";
tn_desc.text = "";
tn_url.text = "";

var p_dict:Dictionary=new Dictionary();
var pc:Plane = new Plane();
pc.visible = false;
cam.target = pc;

var numOfRotations:Number = 3;
var yPos:Number = 0;
var angle:Number = 0;

var filename_list = new Array();
var url_list = new Array();
var url_target_list:Array = new Array();
var title_list = new Array();
var description_list = new Array();
var folder:String = "/v/vspfiles/files/flash/curvewall/thumbnails/";

var i:Number;
var j:Number = 0;
var k:Number = 0;
var l:Number = 0;
var m:Number = 0;
var total:Number;
var flashmo_xml:XML = new XML();
var loader:URLLoader = new URLLoader();
loader.load(new URLRequest("/v/vspfiles/files/flash/curvewall/thumbnail_list_3.xml"));
loader.addEventListener(Event.COMPLETE, create_thumbnail);

function create_thumbnail(e:Event):void
{
    flashmo_xml = XML(e.target.data);
    total = flashmo_xml.thumbnail.length();
    var anglePer:Number = ((Math.PI*2) * numOfRotations) / total;
    
    for( i = 0; i < total; i++ )
    {
        url_list.push( flashmo_xml.thumbnail[i].@url.toString() );
        url_target_list.push( flashmo_xml.thumbnail[i].@target.toString() );
        title_list.push( flashmo_xml.thumbnail[i].@title.toString() );
        description_list.push( flashmo_xml.thumbnail[i].@description.toString() );
        
        var bfm:BitmapFileMaterial = new BitmapFileMaterial(
            folder + flashmo_xml.thumbnail[i].@filename.toString());
        bfm.oneSide = false;
        bfm.smooth = true;
        var p:Plane = new Plane(bfm, 107, 80, 2, 2);
        scene.addChild(p);
        var p_container:Sprite = p.container;
        p_container.name = "flashmo_" + i;
        p_dict[p_container] = p;
        p_container.buttonMode = true;
        p_container.addEventListener( MouseEvent.ROLL_OVER, p_rollover );
        p_container.addEventListener( MouseEvent.ROLL_OUT, p_rollout );
        p_container.addEventListener( MouseEvent.CLICK, p_click );
        
        p.rotationY = (-i*anglePer) * (180/Math.PI) + 90;
        p.x = Math.cos(i * anglePer) * 350;
        p.z = Math.sin(i * anglePer) * 350;
        p.y = yPos;

        if( (i+1) % 20 == 0 )
        {
            yPos += 84;
        }
    }
}

function p_rollover(me:MouseEvent)
{
    var sp:Sprite = me.target as Sprite;
    var tw:Tween = new Tween(sp, 'alpha', Strong.easeOut, 0.5, 1, 0.6, true);
    var s_no:Number = parseInt(sp.name.slice(8,10));
    tn_title.text = title_list[s_no];
    tn_desc.text = description_list[s_no];
    tn_url.text = url_list[s_no];
}
function p_rollout(me:MouseEvent)
{
    var sp:Sprite = me.target as Sprite;
    var tw:Tween = new Tween(sp, 'alpha', Strong.easeOut, 1, 0.5, 0.6, true);
    tn_title.text = "";
    tn_desc.text = "";
    tn_url.text = "";
}
function p_click(me:MouseEvent)
{
    var sp:Sprite = me.target as Sprite;
    var s_no:Number = parseInt(sp.name.slice(8,10));
    navigateToURL(new URLRequest(url_list[s_no]), url_target_list[s_no]);
}

addEventListener(Event.ENTER_FRAME, render);

function render(e:Event):void
{
    var dist2:Number = ((stage.mouseX) - 400) * 0.00003;
    angle += dist2;
    cam.x = - Math.cos(angle) * 50;
    cam.z = Math.sin(angle) * 50;
    var new_zoom = 5.1 - stage.mouseY * 0.003;
    cam.zoom += ( new_zoom - cam.zoom ) * 0.005;
    scene.renderCamera(cam);
}