Bug fix: on mozilla if the user cancel the bbcode prompt popup, a js error occurs
Bug fix: on mozilla if the user cancel the bbcode prompt popup, a js error occurs

git-svn-id: 14496471c1e7f47aed4ccd4e743787d9efef7a8c@731 2772adf2-ac07-0410-9d30-e29d8120292e

bright-sparks/phpfreechat,jahanzaibbahadur/phpfreechat,kerphi/phpfreechat,bright-sparks/phpfreechat,MingJen/phpfreechat,jahanzaibbahadur/phpfreechat,MingJen/phpfreechat,jahanzaibbahadur/phpfreechat,kerphi/phpfreechat,MingJen/phpfreechat,bright-sparks/phpfreechat