$(
  function(){
    $('#menu ul ul li:first-child a').css({'background':"url('media/submenu_bl.png') no-repeat"});
      
    var tabs = $(".right_top ul").children().length;       
    if(tabs == 4){
      var width = 122;            
      var offset = -9;
      var mod = 122.5;                        
    }
    else if(tabs == 3){
      var width = 162;
      var offset = -9;
      var mod = 164;                        
    }
    
    if(tabs > 2){
      $('.right_top ul li').css({'width':width+'px'});
      $('.right_top').css({'background':"url('media/"+tabs+"tab_background.png') no-repeat"});
    }
    
    
    count = 0;
    $(".right_top ul li a").each( 
      function(i){
        count++;
        if($(this).attr('class') == 'active'){          
          if(tabs == 3)
            s = (count != 1 ? '_short' : '');
          else if(tabs == 4)
            s = (count != 4 ? '_short' : '');
          off = offset+(i*mod);
          $('.right_top ul').css({'background':"url('media/"+tabs+"tab_over"+s+".gif') "+off+"px 0px no-repeat"});
        }                          
      }
    )
    
    if(count){
      $('.right_top').add_layer("url('media/edges.gif') no-repeat bottom left",{insideCss: {'padding':'0px 1px 0px 1px'}});
      $('.right_top').css({'height':'35px'});
    }
  }                    
);