Printing Iframe content

Can any one tell me the complete cross browser solution to print the contents of iframe.I followed 开发者_如何学Pythonthe following links.But it is not working in chrome 3.0 browser & IE8.It is printing the entire page.

How do I print an IFrame from javascript in Safari/Chrome

Print iframe content in Opera and Chrome

Thanks for your valuable help...

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As to Chrome, version 3 is way ancient. Please give a try to some newer version (like Chrome 16) and see if it works there.