jQuery fadeSwap

    $.fn.fadeSwap = function(content, callback) {
        
        // Return each ...
        return this.each( function() {

            // Save reference to this
            var $this = $(this);
            
            // Fade to 0
            $this.animate({
                'opacity' : '0'
            }, function() {
                
                // Switchout content, fade back to 1
                $this.html(content).animate({
                    'opacity' : '1'
                }, function() {
                
                    // Remove filter (IE cleartype fix)
                    if ($.browser.msie) {
                        this.style.removeAttribute('filter');
                    }
                    
                    // Run callback if it exists
                    (callback || $.noop).apply(this);
                });
            });
        });
    }