vk copy all videos to group (as vkopt plugin)

var from_oid=152846643;
var target_gid=52742945;/*add to*/
function vkcopyvideo(){
ajax.post('al_video.php', {act: 'load_videos_silent', oid: from_oid, offset: 0}, {
   onDone: function(list) {
            var vids_obj = eval('('+list+')');
            vids_array=vids_obj['all'];
            console.log(vids_array);
            var idx=vids_array.length-1;

            function addVid(oid,vid,to_gid,callback){
               var _vid='http://vk.com/video'+oid+'_'+vid;
               AjPost('al_search.php',{al:1,"c[q]":_vid,"c[section]":"video","c[sort]":2,"gid":to_gid,"no_adult":0},function(r,t){
                   var params=t.match(/\{act:'a_add'[^\}]+\}/);
                   if (params){
                      params=eval('('+params[0]+')');
                      ajax.post('al_video.php', params, {onDone: function(label) {
                        callback();
                      }});
                   } else {
                     document.title('error')
                     alert(_vid);
                   }
               });
            }

            function runAddVid(){
               if (idx>-1){
                  addVid(vids_array[idx][0],vids_array[idx][1],target_gid,function(){
                     document.title=idx+'/'+vids_array.length;
                     idx--;
                     runAddVid();
                  })
               } else alert('done')
            }

            runAddVid();

   }
});
return false;
}

if (!window.vkopt_plugins) vkopt_plugins={};
(function(){
   var PLUGIN_ID = 'vkcopyvideos';
   vkopt_plugins[PLUGIN_ID]={
      Name:'vk plugin',
      css:'',

      onLocation: function(){
         if (!ge('vkcopyvidbtn')){
            geByTag1('body').insertBefore(vkCe('a',{href:"#",onclick:"return vkcopyvideo();", id:'vkcopyvidbtn'},'COPY VIDEOS'),geByTag1('body').firstChild)

         }
      }
   };
   if (window.vkopt_ready) vkopt_plugin_run(PLUGIN_ID);
})();