/*
 * jquery PageTop Slider
 * 
 ******************************************** */
(function($) {
	jQuery.easing.easeInOutQuart = function (x, t, b, c, d) {
		if ((t/=d/2) < 1) return c/2*t*t*t*t + b;
		return -c/2 * ((t-=2)*t*t*t - 2) + b;
	};


	$(function(){
		$('.page_top a').click(function() {
			$($.browser.safari?'body':'html').animate({ scrollTop: 0 }, 700, 'easeInOutQuart');

			return false;
		});
	});
})(jQuery);