(function ($) {
	var scrollto = $('.jscroll-to-top');

	var do_scroll_to_top = function () {
		var st = $(window).scrollTop();

		if (st > 400) {
			scrollto.addClass('show');
		} else {
			scrollto.removeClass('show');
		}
	}

	scrollto.on('click', function () {
		$('html, body').animate({ scrollTop: 0 }, 600);
		return false;
	});

	$(window).on('scroll load', do_scroll_to_top);
})(jQuery)