function loadNextBackground()
     {
         loadbackground(next);
     }
      
  function loadPrevBackground()
     {
         loadbackground(preview);
     }
      
     function backgroundFirstStep()
     {
         loadbackground(background_id,true);                        
     }
      
     function setBG(data)
     {
         $('body').attr('style','background: #000000 url('+data.path+')');
         $("#switcher").attr('class','work-switcher '+data.style);
         $('#switcher span:eq(0)').html(data.link);         
     }
      
     function loadbackground(what,nopreloader)
     {         
         $.getJSON
         (
             '/backgrounds/ajaxswitch/id/'+what,
               
             function(data)
             {
                 background_id = data.path;
                 next = data.next
                 preview = data.preview                 
                  
                 if(!nopreloader)
                 {
                     $('#myDiv').show().animate({opacity: 1},600,function()
                     {    
                         setBG(data);
                          
                         $('#myDiv').animate({opacity: 0},1200,function()
                         {
                             $(this).hide();
                         });
                     });
                    
                      
                 } else
                 {
                     setBG(data);
                 }
                  
                 $('#switcher').show();
                  
             }
         );            
     }

setInterval('loadNextBackground()',8000)