Exit popup with cookie

example.rb

    <script type="text/javascript">
    function createCookie(name, value, days) {
        if (days) {
            var date = new Date();
            date.setTime(date.getTime() + (days * 24 * 60 * 60 * 1000));
            var expires = "; expires=" + date.toGMTString();
        } else var expires = "";
        document.cookie = escape(name) + "=" + escape(value) + expires + "; path=/";
    }

    //createCookie('onetimepopup','1',1);

    function readCookie(name) {
        var nameEQ = escape(name) + "=";
        var ca = document.cookie.split(';');
        for (var i = 0; i < ca.length; i++) {
            var c = ca[i];
            while (c.charAt(0) == ' ') c = c.substring(1, c.length);
            if (c.indexOf(nameEQ) == 0) return unescape(c.substring(nameEQ.length, c.length));
        }
        return null;
    }


    function eraseCookie(name) {
        createCookie(name, "", -1);
    }
    function closeOverAgePopup() {
        $.fancybox.close();
        createCookie('leavingPopup', '1', 3);
    }
    function closeleavingOferpopup() {
        createCookie('leavingPopupcookie', '1', 30);
    }

    $(document).ready(function(){

        $(".fancybox").fancybox({
            'type': 'iframe',
            'overlayShow'	: true,
            'closeBtn': false,
            'width': 446,
            'enableEscapeButton' : false,
            'padding': 0,
            'scrolling': 'no',
            onClosed    :   function() {
                closeleavingOferpopup();
            },
            helpers: {
                overlay: { closeClick: false },
                iframe: {scrolling: 'no'}
            },
            keys: {close: null}
        });

        

        if (readCookie('leavingPopup') != 1) {
            $("#leavingPopupLink").click();
        }

    });
</script>

<a class="fancybox" id="leavingPopupLink" href="/popup.html" data-fancybox-type="iframe"></a>