vk Grab Audios

function vkGrabAudio(oid){
    var params={};
   oid = oid || cur.oid;

    params[oid>0?"uid":"gid"]=Math.abs(oid);
   if (cur.album_id && cur.album_id>0) params['album_id']=cur.album_id;
    var box=vkAlertBox('','<div id="vk_grab_process">'+vkBigLdrImg+'</div>');
    dApi.call('audio.get',params,function(r){
        var list=r.response;
      var count=list.shift();
        list.reverse();
      var idx=0;
      function add(){
         if (idx>=list.length){
            alert(IDL('Done'));
            return;
         }
         ge('vk_grab_process').innerHTML=vkProgressBar(idx,list.length,380,idx+'/'+list.length);
         dApi.call('audio.add',{aid:list[idx].aid,oid:list[idx].owner_id},function(){
            idx++;
            setTimeout(add,500);
         });
      }
      add();
    });
}
vkGrabAudio();