function windowOpen(url) {
	window.open(url, 'accessmap', 'width=640, height=900, menubar=no, scrollbars=yes, resizable=yes, toolbar=no, left=10, top=10');
};

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

$(function () {
    $('#link_to_top').click(function () {
        $('html,body').animate({ scrollTop: 0 }, 300, 'quart');
	return false;
    });
});