Opening PDF inside Firefox 1.06

Franco Stellari <[email protected]> Fri, 29 Jul 2005 13:00:22 -0400

Newsgroups	gmane.comp.mozilla.devel.windows
Organization	Another Netscape Collabra Server User
Message-ID	<[email protected]>

Every time I click on a PDF link from Firefox 1.06, it opens a new empty 
window/tab and then my Acrobat Reader externally.
Is there a way to make it open the PDF inside the current window/tab 
like Iexploer?
Thanks