ctrlUDForm: control Up/Down Form

navigate through web form using ctrl+arrow key...

for mac user, use 'command' meta key + arrow keys.

sample forms

• a simple form
• table layout form
• form with a mixed Table
• form with a mixed Table, case 1
• form with a mixed Table, case 2
• many forms
• many forms but only one control

requires jQuery and hotkeys plug-in.