$(function() {
	
  	$('ul.nav a[href*=#]').click(function() {
	  $('ul.nav li').removeClass('active');
	  $(this).parent('li').addClass('active');
	 	if (location.pathname.replace(/^\//,'') == this.pathname.replace(/^\//,'') && location.hostname == this.hostname) {
	  		var $target = $(this.hash);
	   		$target = $target.length && $target || $('[name=' + this.hash.slice(1) +']');
	   		if ($target.length) {
	  			var targetOffset = $target.offset().top - 50;
	  			$('html,body').animate({scrollTop: targetOffset}, 800);
	    		return false;
	  		}
	 	}
	});

});