JavaScript - Cookie Expiration In Seconds?

var currentRotation=null;

function checkOrientAndLocation(){
	if(currentRotation != window.orientation){
		setOrientation();
	}
}

function setOrientation(){
	switch(window.orientation){
		case 0:
			orient = 'portrait';
			break;
		case 90:
			orient = 'landscape';
			break;
		case -90:
			orient = 'landscape';
			break;
	}
	currentRotation = window.orientation;
	document.body.setAttribute("orient",orient);
	setTimeout(scrollTo,0,0,1);
}

$(window).unload(function() { // On page unload
    $('.remember').each(function() { // Save each value to expire in a year
        $.cookie(this.id, this.value, {expires: 365});
    });
    $('.draggable').each(function() { // Save draggable positions
        var draggable = $(this);
        $.cookie(this.id, draggable.css('top') + '_' + draggable.css('left'), {expires: 365});
        $.cookie('disp' + this.id, draggable.css('display'), {expires: 365});
    });
});

$(function() {
  var val, pos, disp;
  setInterval(checkOrientAndLocation,1000);
  $('.remember').each(function() {
        var val = $.cookie(this.id); // Retrieve value for this element
        if (val) {
            this.value = val;
        }
    }
  );
  $('.draggable').each(function() {
        var pos = $.cookie(this.id); // Retrieve values for this element
        if (pos) {
            pos = pos.split('_');
            $(this).css({position: 'absolute', top: pos[0], left: pos[1]});
        }
        var disp = $.cookie('disp' + this.id);
        if (disp) {
            this.style.display = disp;
        }
    }
   ).touch({animate: false, sticky: false, dragx: true, dragy: true,
        rotate: false, resort: false, scale: false
  });
});

date.setTime(date.getTime() + (options.expires * 24 * 60 * 60 * 1000));

/**
 * Cookie plugin
 *
 * Copyright (c) 2006 Klaus Hartl (stilbuero.de)
 * Dual licensed under the MIT and GPL licenses:
 * http://www.opensource.org/licenses/mit-license.php
 * http://www.gnu.org/licenses/gpl.html
 *
 */

/**
 * Create a cookie with the given name and value and other optional parameters.
 *
 * @example $.cookie('the_cookie', 'the_value');
 * @desc Set the value of a cookie.
 * @example $.cookie('the_cookie', 'the_value', { expires: 7, path: '/', domain: 'jquery.com', secu  true });
 * @desc Create a cookie with all available options.
 * @example $.cookie('the_cookie', 'the_value');
 * @desc Create a session cookie.
 * @example $.cookie('the_cookie', null);
 * @desc Delete a cookie by passing null as value. Keep in mind that you have to use the same path and domain
 *       used when the cookie was set.
 *
 * @param String name The name of the cookie.
 * @param String value The value of the cookie.
 * @param Object options An object literal containing key/value pairs to provide optional cookie attributes.
 * @option Number|Date expires Either an integer specifying the expiration date from now on in days or a Date object.
 *                             If a negative value is specified (e.g. a date in the past), the cookie will be deleted.
 *                             If set to null or omitted, the cookie will be a session cookie and will not be retained
 *                             when the the browser exits.
 * @option String path The value of the path atribute of the cookie (default: path of page that created the cookie).
 * @option String domain The value of the domain attribute of the cookie (default: domain of page that created the cookie).
 * @option Boolean secure If true, the secure attribute of the cookie will be set and the cookie transmission will
 *                        require a secure protocol (like HTTPS).
 * @type undefined
 *
 * @name $.cookie
 * @cat Plugins/Cookie
 * @author Klaus Hartl/klaus.hartl@stilbuero.de
 */

/**
 * Get the value of a cookie with the given name.
 *
 * @example $.cookie('the_cookie');
 * @desc Get the value of a cookie.
 *
 * @param String name The name of the cookie.
 * @return The value of the cookie.
 * @type String
 *
 * @name $.cookie
 * @cat Plugins/Cookie
 * @author Klaus Hartl/klaus.hartl@stilbuero.de
 */
jQuery.cookie = function(name, value, options) {
    if (typeof value != 'undefined') { // name and value given, set cookie
        options = options || {};
        if (value === null) {
            value = '';
            options.expires = -1;
        }
        var expires = '';
        if (options.expires && (typeof options.expires == 'number' || options.expires.toUTCString)) {
            var date;
            if (typeof options.expires == 'number') {
                date = new Date();
 				date.setTime(date.getTime() + (options.expires * 24 * 60 * 60 * 1000 * 365)); 
            } else {
                date = options.expires;
            }
            expires = '; expires=' + date.toUTCString(); // use expires attribute, max-age is not supported by IE
        }
        // CAUTION: Needed to parenthesize options.path and options.domain
        // in the following expressions, otherwise they evaluate to undefined
        // in the packed version for some reason...
        var path = options.path ? '; path=' + (options.path) : '';
        var domain = options.domain ? '; domain=' + (options.domain) : '';
        var secure = options.secure ? '; secure' : '';
        document.cookie = [name, '=', encodeURIComponent(value), expires, path, domain, secure].join('');
    } else { // only name given, get cookie
        var cookieValue = null;
        if (document.cookie && document.cookie != '') {
            var cookies = document.cookie.split(';');
            for (var i = 0; i < cookies.length; i++) {
                var cookie = jQuery.trim(cookies[i]);
                // Does this cookie string begin with the name we want?
                if (cookie.substring(0, name.length + 1) == (name + '=')) {
                    cookieValue = decodeURIComponent(cookie.substring(name.length + 1));
                    break;
                }
            }
        }
        return cookieValue;
    }
};

<!doctype html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>Untitled Document</title>
</head>

<body>


<!doctype html>
<head>
<title>Expires</title>
</head>
<body>

<script>

var myDelayInDays=6, myDate=new Date();
myDate.setDate(myDate.getDate()+myDelayInDays);

document.write('Expires: ' + myDate.toLocaleDateString());

</script>
</body>
</html>

</body>
</html>