title: Getting Product or ProductID in magento
body: <p>when writing a new set of .phtml &amp; block:<br>
  What is the recommanded way to know if the block is currently on a product page ?<br>
  If it is on a product page then how do I get to the data of the currently being viewed product ?  </p>
  
  <p>Thanks,
  Eyal</p>