jQuery.fn.anchorAnimate = function(settings) {

 	settings = jQuery.extend({
		speed : 600
	}, settings);	
	
	return this.each(function(){
		var caller = this
		jQuery(caller).click(function (event) {	
			event.preventDefault()
			var locationHref = window.location.href
			var elementClick = jQuery(caller).attr("href")
			
			var destination = jQuery(elementClick).offset().top;
			jQuery("html:not(:animated),body:not(:animated)").animate({ scrollTop: destination}, settings.speed, function() {
				window.location.hash = elementClick
			});
		  	return false;
		})
	})
}