Hopefully managed to put enough hacks in there to make renaming the config file the last step, so if it fails, it can be done manually
var TinyMCE_BBCodePlugin={getInfo:function(){return{longname:'BBCode Plugin',author:'Moxiecode Systems AB',authorurl:'http://tinymce.moxiecode.com',infourl:'http://wiki.moxiecode.com/index.php/TinyMCE:Plugins/bbcode',version:tinyMCE.majorVersion+"."+tinyMCE.minorVersion}},cleanup:function(type,content){var dialect=tinyMCE.getParam('bbcode_dialect','punbb').toLowerCase();switch(type){case"insert_to_editor":content=this['_'+dialect+'_bbcode2html'](content);break;case"get_from_editor":content=this['_'+dialect+'_html2bbcode'](content);break}return content},_punbb_html2bbcode:function(s){s=tinyMCE.trim(s);function rep(re,str){s=s.replace(re,str)};rep(/<a href=\"(.*?)\".*?>(.*?)<\/a>/gi,"[url]$1[/url]");rep(/<font.*?color=\"(.*?)\".*?class=\"codeStyle\".*?>(.*?)<\/font>/gi,"[code][color=$1]$2[/color][/code]");rep(/<font.*?color=\"(.*?)\".*?class=\"quoteStyle\".*?>(.*?)<\/font>/gi,"[quote][color=$1]$2[/color][/quote]");rep(/<font.*?class=\"codeStyle\".*?color=\"(.*?)\".*?>(.*?)<\/font>/gi,"[code][color=$1]$2[/color][/code]");rep(/<font.*?class=\"quoteStyle\".*?color=\"(.*?)\".*?>(.*?)<\/font>/gi,"[quote][color=$1]$2[/color][/quote]");rep(/<font.*?color=\"(.*?)\".*?>(.*?)<\/font>/gi,"[color=$1]$2[/color]");rep(/<font>(.*?)<\/font>/gi,"$1");rep(/<img.*?src=\"(.*?)\".*?\/>/gi,"[img]$1[/img]");rep(/<span class=\"codeStyle\">(.*?)<\/span>/gi,"[code]$1[/code]");rep(/<span class=\"quoteStyle\">(.*?)<\/span>/gi,"[quote]$1[/quote]");rep(/<strong class=\"codeStyle\">(.*?)<\/strong>/gi,"[code][b]$1[/b][/code]");rep(/<strong class=\"quoteStyle\">(.*?)<\/strong>/gi,"[quote][b]$1[/b][/quote]");rep(/<em class=\"codeStyle\">(.*?)<\/em>/gi,"[code][i]$1[/i][/code]");rep(/<em class=\"quoteStyle\">(.*?)<\/em>/gi,"[quote][i]$1[/i][/quote]");rep(/<u class=\"codeStyle\">(.*?)<\/u>/gi,"[code][u]$1[/u][/code]");rep(/<u class=\"quoteStyle\">(.*?)<\/u>/gi,"[quote][u]$1[/u][/quote]");rep(/<\/(strong|b)>/gi,"[/b]");rep(/<(strong|b)>/gi,"[b]");rep(/<\/(em|i)>/gi,"[/i]");rep(/<(em|i)>/gi,"[i]");rep(/<\/u>/gi,"[/u]");rep(/<u>/gi,"[u]");rep(/<br \/>/gi,"\n");rep(/<br\/>/gi,"\n");rep(/<br>/gi,"\n");rep(/<p>/gi,"");rep(/<\/p>/gi,"\n");rep(/ /gi," ");rep(/"/gi,"\"");rep(/</gi,"<");rep(/>/gi,">");rep(/&/gi,"&");rep(/&undefined;/gi,"'");return s},_punbb_bbcode2html:function(s){s=tinyMCE.trim(s);function rep(re,str){s=s.replace(re,str)};rep(/\n/gi,"<br />");rep(/\[b\]/gi,"<strong>");rep(/\[\/b\]/gi,"</strong>");rep(/\[i\]/gi,"<em>");rep(/\[\/i\]/gi,"</em>");rep(/\[u\]/gi,"<u>");rep(/\[\/u\]/gi,"</u>");rep(/\[url\](.*?)\[\/url\]/gi,"<a href=\"$1\">$1</a>");rep(/\[img\](.*?)\[\/img\]/gi,"<img src=\"$1\" />");rep(/\[color=(.*?)\](.*?)\[\/color\]/gi,"<font color=\"$1\">$2</font>");rep(/\[code\](.*?)\[\/code\]/gi,"<span class=\"codeStyle\">$1</span> ");rep(/\[quote.*?\](.*?)\[\/quote\]/gi,"<span class=\"quoteStyle\">$1</span> ");return s}};tinyMCE.addPlugin("bbcode",TinyMCE_BBCodePlugin);