title: How to change keyboard layout
body: <p>I'm using jQuery Mobile 1.2.0 to develop my web apps.
  The main page consists of text explaining the app and two text fields to give the user the possibility to enter some information:
      
      
  Now I start the app on my iPhone and I'm wondering a bit. If I edit the first field then the keyboard will show a button with the caption "Open" in the bottom right corner. If I edit the second field then the keyboard will show a button with the caption "Search" in the bottom right corner.
  How can I change that captions and which keyboard layouts are supported?</p>