Show book available info in douban book page, adds "Search in Douban" in Shenzhen Libaray opac search page
Shows book available info in douban book page, adds Shenzhen Library search link in douban book search page
Adds book search button to Shenzhen Library book search page
In Firefox, Greasemonkey v4.0 and later version changed provided API, the scripts doesn't works; please use Tampermonkey plugin, and install the script in it; please uninstall it if it's installed in Tampermonkey before, I update the script's namespace attribute, the plugin will recognize 1.24.9 and earlier version as two different script, they will be executed in page at same time.
It will prompt that it try to access other sites information when it's executed in Tampermonkey at first time, please allow it to access, the script access douban or Shenzhen Library site to get book information, no other sites access.
