jQuery.fn.anchorAnimate = function(settings) {
               settings = jQuery.extend({
                                speed : 1500
                }, settings);
                return this.each(function() {
                                var caller = this
                                $(caller).click(function (event) {                
                                                event.preventDefault()
                                                var locationHref = window.location.href
                                                var elementClick = '#'+$(caller).attr("href").split('#')[1];
                                                
                                                var destination = $(elementClick).offset().top;
                                                $("html:not(:animated),body:not(:animated)").animate({ scrollTop: destination}, settings.speed, function() {
                                                                window.location.hash = elementClick
                                                });
                                                return false;
                                })
                })
}