How to show in pop up box message in D7 I am developing custom module in D7. And created one custom block. And how can show the conent in the block as pop up box?sample block code is  `


  $block['content'] = t('Test message');


I want show 'Test message' as in pop up..

`
There are several modules that you may be able to use or deconstruct to help with your custom module.  


Popup (D7)
Lightbox2 (D6, D7)
Shadowbox (D5, D6, D7)
Popups (AJAX) (D6)