Grab photos links from vk wall v0.3

vk_photos.scan_wall=function(oid){
   var PER_REQ=100;
   var offset=0;
   var links=[];
   var oid=cur.oid;
   var abort=false;
   function scan(){
      if (abort) return;
      dApi.call('wall.get',{owner_id:oid,count:PER_REQ,offset:offset,filter:'all',extended:1},function(r){
         if (abort) return;
         var data=r.response;
         var posts=data.wall;
         var count=posts.shift();
         var len=posts.length;
         ge('vk_links_container_progr').innerHTML=vkProgressBar(offset,count,600);
         for (var j=0; j<len; j++){
            var att=posts[j].attachments;
            if (!att) continue;
            for (var i=0; i<att.length; i++){
               if (!att[i].photo) continue;
               var p=att[i].photo;
               var src=p.src_xxxbig || p.src_xxbig || p.src_xbig || p.src_big || p.src_big
               if (links.indexOf(src)==-1) links.push(src);
               p=null;
            }
            att=null;
         }
         data=null;
         posts=null;
         if (len>0){
            offset+=PER_REQ;
            setTimeout(scan, 350);
         } else {
            var to_file=isChecked('links_to_file');
            vkSetVal('vk_collect_links_to_file',to_file?'1':'0');
            ge('vk_links_container').innerHTML='<h2>count: '+links.length+'</h2><textarea style="width:560px; height:300px;">'+links.join('\n')+'</textarea>';
            if (to_file)
               vkSaveText(links.join('\n'),("wall_photos_"+oid).substr(0,250)+".txt");
         }
      })
   }

      var html='<div id="vk_links_container"><div id="vk_links_container_progr"></div>'+
               '<br><div class="checkbox'+(vkGetVal('vk_collect_links_to_file')=='1'?' on':'')+' fl_l" id="links_to_file" onclick="checkbox(this);"><div></div>Save links list to file after scan</div></div>';
   var box=vkAlertBox(IDL('Links'),html,function(){abort=true;});
   box.setOptions({width:"640px"});
   scan();
}
vk_photos.scan_wall();