$(document).ready(function(){
    $("a[href*=#]").click(function() {
	 var duration=800; // скорость перемещения
	 var easing="swing";
	 var newHash=this.hash;
	 var target=$(this.hash).offset().top;
	 var oldLocation=window.location.href.replace(window.location.hash, '');
	 var newLocation=this;

	 if(oldLocation+newHash==newLocation){
	    $('html:not(:animated),body:not(:animated)').animate(
		{scrollTop: target },
		duration,
		easing,
		function() {
		    window.location.href=newLocation;
		});
	    return false;
	}
    });
});