Нужна помощь гуру JS

 
dojo.declare("AccordionMenu", null, {
	constructor: function(args) {
	 this.interval = 1000;
	 this.mode = 'onclick';
   this.classPattern = /off-nav-[0-9]+/;
	 dojo.mixin(this,args);
	 this.enabled = true;
   window.accordion = new Object;
   window.accordion.running = false;
	 this.init();
	},
 
	init: function(){
    dojo.forEach(dojo.query('a', this.node), function(el){
      var href = dojo.attr(el, 'href');
      if(href != undefined && href != '' &&  href != '#'){
        dojo.connect(el, 'onclick', function(e){
          e.cancelBubble = true;
        });
      }
    });
 
	  this.opened = -1;
    this.dts = dojo.query('dt.parent.level'+this.level, this.node);
	  this.dds = dojo.query('dd.parent.level'+this.level, this.node);
    this.forceopened = false;
    this.dts.forEach(function(el, i){
      el.i = i;
      if(dojo.hasClass(this.dds[i], 'opened')){
        this.opened = i;
      }
      if(!dojo.hasClass(el, 'forceopened')){
        if(this.mode == 'both'){
          dojo.connect(el, 'onclick', dojo.hitch(this,'onOpenOrClose'));
          dojo.connect(el, 'onmouseenter', dojo.hitch(this,'onOpenOrClose'));
        }else{
          dojo.connect(el, this.mode, dojo.hitch(this,'onOpenOrClose'));
        }
      }else{
        this.forceopened = true;
      }
 
      this.dds[i].dl = dojo.query('> dl', this.dds[i])[0];
 
      new AccordionMenu({
        node : this.dds[i].dl,
        level : this.level+1,
        mode: this.mode,
        interval : this.interval, 
        easing : this.easing,
        instance: this.instance,
        classPattern: this.classPattern,
        accordionmode: this.accordionmode
      });
    }, this);
    if(this.forceopened){
      this.accordionmode = 0;
    }
    if(this.accordionmode == 2 && this.opened >= 0){
      if(this.node.mmanim && this.node.mmanim.status() == "playing"){
        this.node.mmanim.stop();
      }
      var pos = dojo.position(this.node).y-dojo.position(this.dts[this.opened]).y;
      dojo.style(this.node, 'marginTop', pos+'px');
    }
  },
 
  onOpenOrClose: function(e){
    var el = e.currentTarget;
    if((this.mode == "onmouseenter" || (this.mode == "both" && e.type != 'click') ) && dojo.hasClass(el, 'opened')) return;
    if(window.accordion.running)
      return; 
    else
      window.accordion.running = true;
    var h = parseInt(dojo.position(this.dds[el.i]).h);
    if(dojo.hasClass(el, 'opening') || dojo.hasClass(el, 'opened')){
      this.close(el.i);
    }else{
      if(this.accordionmode != 0 && this.opened >= 0 && this.opened != el.i){
        this.close(this.opened);
      }
      this.open(el.i);
    }
  },
 
  open: function(i){
    var dt = this.dts[i];
    var dd = this.dds[i];
    if(dd.wwanim && dd.wwanim.status() == "playing"){
      dd.wwanim.stop();
      dojo.removeClass(dt, 'closing');
      dojo.removeClass(dd, 'closing');
    }
    dojo.removeClass(dt, 'closed');
    dojo.removeClass(dd, 'closed');
    dojo.addClass(dt, 'opening');
    dojo.addClass(dd, 'opening');
 
    if(this.accordionmode == 2){
      if(this.node.mmanim && this.node.mmanim.status() == "playing"){
        this.node.mmanim.stop();
      }
 
      var pos = dojo.position(this.node).y-dojo.position(dt).y;
      if(this.dds[this.opened]){
        pos += dojo.position(this.dds[this.opened]).h;
      }
      this.node.mmanim = dojo.animateProperty({
        node: this.node, 
        properties: {
          marginTop: pos
        }, 
        duration: this.interval, 
        easing: this.easing,
        onEnd: dojo.hitch(this,'onEnd')
      }).play();
    }
    this.opened = this.i;
    var h = dojo.marginBox(dojo.query('dl.level'+(this.level+1), dd)[0]).h;
    dd.wwanim = dojo.animateProperty({
      i: i, 
      node: dd, 
      properties: {
        height: h
      }, 
      duration: this.interval, 
      easing: this.easing, 
      onEnd: dojo.hitch(this,'onOpenEnd')
    }).play();
  },
 
  close: function(i){
    var dt = this.dts[i];
    var dd = this.dds[i];
    if(dd.wwanim && dd.wwanim.status() == "playing"){
      dd.wwanim.stop();
      dojo.removeClass(dt, 'opening');
      dojo.removeClass(dd, 'opening');
    }
    dojo.addClass(dt, 'closing');
    dojo.addClass(dd, 'closing');
 
    if(this.accordionmode == 2){
      if(this.node.mmanim && this.node.mmanim.status() == "playing"){
        this.node.mmanim.stop();
      }
      this.node.mmanim = dojo.animateProperty({
        node: this.node, 
        properties: {
          marginTop: 0
        }, 
        duration: this.interval, 
        easing: this.easing,
        onEnd: dojo.hitch(this,'onEnd')
      }).play();
    }

                                        

                                            

                                                                                        

        

                    
                            
            

    

                    
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