Create session cookie

  $.cookie('CookieName', 'Value');

Cookie that Expires in 7 days

 $.cookie('CookieName', 'Value', { expires: 7 });

Create cookie valid across entire site:

  $.cookie('CookieName', 'Value', { expires: 7, path: '/' });

Read value cookie:

 $.cookie('the_cookie'); // => "the_value"
 $.cookie('not_existing'); // => null

Delete cookie:

 // Returns true when cookie was found, false when no cookie was found...
 $.removeCookie('the_cookie');

 // Same path as when the cookie was written...
 $.removeCookie('the_cookie', { path: '/' });