How to call required page after the am.invokermethod is called.

Question

Hi All,
I have a serch page which search the table ABC and returns the results(Standard functionality). I results table will have update icon. Now when the update icon, i will pass param mid = 100, is clicked I need to check the table MST whether it has records with mid=100. If yes, i need to display the details by calling the MSTPG page. If no, need to call other page called MSTTEMPPG.
So, How do i check the record exists in the table or not and call the appropriate page.
If i use am.invokermethod(), it call the procedure and executes but this method doesnot return values.so that based on the return value i can call the required page.
Thanks,

Answer 1

Thanks Senthil for the response.
I Just wanted to keep the question simple and that is not all the requirement.
I know the switcher bean concept i'm sure that it may not meet my requirements.lets keep it a side.
But sure the second point you mentioned. To redirect to page based on the return value should help me can you elobrate / how do i call a page from the AM.
1) Does am.invokermethod() - returns a value.
2) If no, The procedure AM invokes should have the redirect method - what is the method and how do i call the page from AM
Thanks
Ganesh.