The XCookie object forms a conveniently packaged JavaScript cookie-handling utility. It provides methods to write, read, refresh, delete, check for presence and support, plus auto-incrementation of stored numeric values.

Cookie duration can be specified in days or seconds.

Cookie names can contain spaces.

The encapsulated format eliminates the need for a mess of stand-alone functions.

Just install the source file and you're empowered with an effective extension to the language.