Nav RTC 2009 SP1 any active tigger between two card page??

On sales Quote page 41 i want a event where i can pop a message on active of that page.

steps .

  1. Deaprtment >> Sales & marketing >> Order Processing >> Sales Quotes >> Sales Quote.

  2. open 1001 sales Quote (page1)

  3. open 1006 Sales Quote (page2)

  4. click on page1 - pop up message

  5. click on page2 - pop up message

note : need a event on click/active of page not on init() & open() calls only once when the page opened for first time