Add js/print-area to readme.rst

Enh: Improve JsAlert compative when remove it from page.

Bug fix: Wrong var checked.

NEW: class ListTable usable now.

git-svn-id: https://office.fwolf.com:82/svn/fwolflib/trunk@84 0e3e1b03-7217-0410-b0ab-816a89ca1e6f