var link_iterator=0;
   $(document).ready(function() {
      $('.partners_link').hide();
      $('.partners_link:eq('+link_iterator+')').show();
      setInterval(changeLink,2000);
      });
   function changeLink(){
      var links= $('.partners_link');
      var len = links.length;
 
      links.hide();
      if (link_iterator < (len-1)){
         link_iterator+=1;
     
         $('.partners_link:eq('+link_iterator+')').show();
      }else{
         link_iterator=0;
   
         $('.partners_link:eq('+link_iterator+')').show();
      }
      
   }