jQuery.easing.quart = function (x, t, b, c, d) {
	return -c * ((t=t/d-1)*t*t*t - 1) + b;
};

var pageUrl = location.href.split('#')[0];

$(function () {
    $('a[href*=#]').click(function () {
  		if (this.href.indexOf(pageUrl + '#') == 0) {
			var id = this.href.substring(this.href.indexOf('#'),this.href.length);
			var targetOffset = $(id).offset().top;
			$(this).blur();
			$('html,body').animate({ scrollTop: targetOffset}, 1800, 'quart');
			return false;
		}
    });
});