Shadowroot plugin to avoid CSS from HTML mails styling your UI

Hi all,

Under SquirrelMail 1.4.22, CSS styles in HTML mail might affect whole
message window, usually making it look horrible:

http://alexey.shpakovsky.ru/unlisted/shadowroot-before.png

Provided plugin uses "shadowroot" feature of modern browsers, which with
help of 6 lines of javascript confines CSS styles to content of message
itself, making message look much better:

http://alexey.shpakovsky.ru/unlisted/shadowroot-after.png

Note that it requires enabled javascript and a fairly recent browser.
Achieving similar effect without javascript would be possible by loading
contents of mail message within iframe, but that would be much bigger
change :)

Plugin is for SquirrelMail 1.4 only. Download link:

http://alexey.shpakovsky.ru/unlisted/shadowroot.tar.gz

Please let me know what you think.

Alexey.



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