Demo mode added

Demo mode is now available, no need to create an account for testing the ebook reading service on your cell phone.

Just go to demo.tx2ph.com with your WAP-enabled mobile phone and see how the text will look on your phone screen. The cell phone model is auto-detected and the screen size is set accordingly. If the cell phone model is missing from the database the screen size will be reset to 128 by 128 pixels