How do I display a PDF file in Adobe from h:commandLink or h:outputLink

I am looking to add a simple "Help" link on my header.
The idea is to add an h:outputLink or h:commandLink component and when it is clicked,
an existing PDF file will be displayed in the default (Adobe) viewer.
Can anyone give me a simple example of how to do that?
Thanks.

WOW - Quick response to this. Thanks.
I was hoping that there was a mechanism that did not require new classes and a bunch of code (hence the wording 'simple'),
however I realize that even what one would think of as straight forward, becomes complex when you start trying to display stuff on the client in a web application.
Maybe there is some Javascript that could point to a file on the server and display it in a new browser window?
The application is only intended for Windows environment, so some use can be made of inherent system support for displaying PDF files, if possible.

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    Thanks Balusc!!
    I have made use of your code to display PDF files in an IFRAME tag too!!! I just dint believe that this would be possible. Please just take a look at my JSP page.
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