ช่วยแปลโค้ดให้หน่อยครับ

/*
Menu from XML
Programming By AR
*/
/*SWF*/
Stage.showMenu=false;
System.useCodepage=true;
fscommand("fullscreen", true);
/*Config*/
var POSX:Number=10;
var POSY:Number=10;
var menuBtnH:Number=48;
var menuBtnW:Number=192;
var gapMenuLeft:Number=0;
var gapMenuTop:Number=10;
var subMenuBtnH:Number=32;
var subMenuBtnW:Number=180;
var gapSubMenuLeft:Number=3;
var gapSubMenuTop:Number=5;
/*Variables*/
var currentMenu:Number=0;
var totalMenu:Number=0;
/*DataXML*/
var data_xml:XML=new XML();
data_xml.ignoreWhite=true;
data_xml.load("menu.xml");
/*Font*/
var menu_fmt:TextFormat = new TextFormat();
menu_fmt.font="Courier UPC";
menu_fmt.size=18;
menu_fmt.color=0xFFFFFF;
menu_fmt.bold=true;
menu_fmt.align="center";
var submenu_fmt:TextFormat = new TextFormat();
submenu_fmt.font="Courier New";
submenu_fmt.size=14;
submenu_fmt.color=0xFFFFFF;
submenu_fmt.bold=true;
/**/
data_xml.onLoad=function():Void
{
   genMenu(this.firstChild);
}
function genMenu(_xml:XMLNode):Void
{
   while(_xml.childNodes[totalMenu])
   {
      this.createEmptyMovieClip("btn"+(totalMenu+1)+"_mc",this.getNextHighestDepth());
      this["btn"+(totalMenu+1)+"_mc"].createEmptyMovieClip("_img",this["btn"+(totalMenu+1)+"_mc"]   .getNextHighestDepth());
      this["btn"+(totalMenu+1)+"_mc"].createTextField("_txt",this.getNextHighestDepth(),gapMenuLeft,gapMenuTop,menuBtnW,menuBtnH);
      this["btn"+(totalMenu+1)+"_mc"]._txt.selectable=false;
      this["btn"+(totalMenu+1)+"_mc"]._txt.wordWrap=true;
      this["btn"+(totalMenu+1)+"_mc"]._txt.setNewTextFormat(menu_fmt);
      this["btn"+(totalMenu+1)+"_mc"]._txt.text=_xml.childNodes[totalMenu].attributes.value;
      this["btn"+(totalMenu+1)+"_mc"]._img.loadMovie("res/button.png");
      //this["btn"+(totalMenu+1)+"_mc"]._src=Number(_xml.childNodes[totalMenu].attributes.src);
      this["btn"+(totalMenu+1)+"_mc"]._no=totalMenu+1;
      this["btn"+(totalMenu+1)+"_mc"]._xml=_xml.childNodes[totalMenu];
      this["btn"+(totalMenu+1)+"_mc"]._show=false;
      this["btn"+(totalMenu+1)+"_mc"]._x=POSX;
      this["btn"+(totalMenu+1)+"_mc"]._y=POSY+(totalMenu*menuBtnH);
      this["btn"+(totalMenu+1)+"_mc"].onPress=function():Void
      {
         this._parent.genSubMenu(this._no,this._xml);
      }
      totalMenu++;
   }
}
function genSubMenu(no:Number,_xml:XMLNode):Void
{
   subMenu_mc.removeMovieClip();
   if(no==currentMenu)
      currentMenu=0;
   else
   {
      var n:Number=0;
      while(_xml.childNodes[n])
      {
         this.createEmptyMovieClip("subMenu_mc",this.getNextHighestDepth());
         subMenu_mc.createEmptyMovieClip("sub"+(n+1)+"_mc",subMenu_mc.getNextHighestDepth());
         subMenu_mc["sub"+(n+1)+"_mc"].createEmptyMovieClip("_down",subMenu_mc["sub"+(n+1)+"_mc"].getNextHighestDepth());
         subMenu_mc["sub"+(n+1)+"_mc"].createEmptyMovieClip("_over",subMenu_mc["sub"+(n+1)+"_mc"].getNextHighestDepth());
         subMenu_mc["sub"+(n+1)+"_mc"].createEmptyMovieClip("_up",subMenu_mc["sub"+(n+1)+"_mc"].getNextHighestDepth());
         subMenu_mc["sub"+(n+1)+"_mc"].createTextField("_txt",this.getNextHighestDepth(),gapSubMenuLeft,gapSubMenuTop,subMenuBtnW,subMenuBtnH);
         subMenu_mc["sub"+(n+1)+"_mc"]._txt.selectable=false;
         //subMenu_mc["sub"+(n+1)+"_mc"]._txt.wordWrap=true;
         //subMenu_mc["btn"+(n+1)+"_mc"]._txt.autoSize=true;
         subMenu_mc["sub"+(n+1)+"_mc"]._txt.setNewTextFormat(submenu_fmt);
         subMenu_mc["sub"+(n+1)+"_mc"]._txt.text=_xml.childNodes[n].attributes.value;
         subMenu_mc["sub"+(n+1)+"_mc"]._down.loadMovie("res/buttonDown.png");
         subMenu_mc["sub"+(n+1)+"_mc"]._over.loadMovie("res/buttonOver.png");
         subMenu_mc["sub"+(n+1)+"_mc"]._up.loadMovie("res/buttonUp.png");
         subMenu_mc["sub"+(n+1)+"_mc"]._src=_xml.childNodes[n].attributes.src;
         subMenu_mc["sub"+(n+1)+"_mc"]._x=this["btn"+(no)+"_mc"]._x+gapMenuTop;
         subMenu_mc["sub"+(n+1)+"_mc"]._y=this["btn"+(no)+"_mc"]._height+subMenuBtnH*n-gapMenuTop;
         subMenu_mc["sub"+(n+1)+"_mc"].onRollOver=function():Void
         {
            this._down._visible=false;
            this._over._visible=true;
            this._up._visible=false;
         }
         subMenu_mc["sub"+(n+1)+"_mc"].onRollOut=function():Void
         {
            this._down._visible=false;
            this._over._visible=false;
            this._up._visible=true;
         }
         subMenu_mc["sub"+(n+1)+"_mc"].onPress=function():Void
         {
            this._down._visible=true;
            this._over._visible=false;
            this._up._visible=false;
            this._parent._parent.DoSubMenu(this._src);
         }
         subMenu_mc["sub"+(n+1)+"_mc"].onRelease=function():Void
         {
            this._down._visible=false;
            this._over._visible=false;
            this._up._visible=true;
         }
         n++;
      }
      currentMenu=no;
   }
   updateMenu();
}
function updateMenu():Void
{
   var tmpy=0;
   for(var n:Number=0;n<totalMenu;n++)
   {
      this["btn"+(n+1)+"_mc"]._x=POSX;
      this["btn"+(n+1)+"_mc"]._y=POSY+(n*menuBtnH)+tmpy;
      if(n==currentMenu-1)
      {
         subMenu_mc._y=this["btn"+(n+1)+"_mc"]._y;
         tmpy+=subMenu_mc._height;
      }
   }
}
function DoSubMenu(src:String):Void
{
   trace(src);
}