From 917e32fc22e94b4aa4c31a28b3cec8d26bbfd57f Mon Sep 17 00:00:00 2001
From: scottjehl
In addition, you can also force a "backwards" transition by specifying data-back="true" on your link.
Transitions from jQtouch (with small modifications): Built by David Kaneda and maintained by Jonathan Stark.