(function($){
  
  $.extend({
       
    smoothAnchors : function(speed, easing, redirect){
        
      speed = speed || "fast";
      easing = easing || null;
      redirect = (redirect === true || redirect == null) ? true : false;
      
      $("a").each(function(i){
              
        var url = $(this).attr("href");
        
        if(url){
          if(url.indexOf("#") != -1 && url.indexOf("#") == 0){
    
            var aParts = url.split("#",2);
            var anchor = $("a[name='"+aParts[1]+"']");
            
            if(anchor){
                                          
              $(this).click(function(){
                           
                if($(document).height()-anchor.offset().top >= $(window).height()
                 || anchor.offset().top > $(window).height()
                 || $(document).width()-anchor.offset().left >= $(window).width()
                 || anchor.offset().left > $(window).width()){
                           
                  $('html, body').animate({
                    scrollTop: anchor.offset().top,
                    scrollLeft: anchor.offset().left
                  }, speed, easing, function(){
                    if(redirect){ 
                      window.location = url 
                    }
                  });
                
                }
                
                return false;
                                
              });
            }
          
          }
          
        }
        
      });
      
    }
  
  });
  
})(jQuery);