In absence of official Firefox addon you can use this addon for your favorite Web browser. All you need to do is to select address and from context menu click on "Maps By PlanPlus..." and new tab will open with selected address displayed.
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001297s ]
SELECT `a`.`aid`,`a`.`title`,`a`.`create_time`,`m`.`username` FROM `jrk_downrecords` `a` INNER JOIN `jrk_member` `m` ON `a`.`uid`=`m`.`id` WHERE `a`.`status` = 1 GROUP BY `a`.`aid` ORDER BY `a`.`create_time` DESC LIMIT 10 [ RunTime:0.077775s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001072s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001196s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.000898s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003196s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000809s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003726s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014797s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001218s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 201936 [ RunTime:0.015499s ]