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
tinyMCE.importPluginLanguagePack('advlink');var TinyMCE_AdvancedLinkPlugin={getInfo:function(){return{longname:'Advanced link',author:'Moxiecode Systems AB',authorurl:'http://tinymce.moxiecode.com',infourl:'http://wiki.moxiecode.com/index.php/TinyMCE:Plugins/advlink',version:tinyMCE.majorVersion+"."+tinyMCE.minorVersion}},initInstance:function(inst){inst.addShortcut('ctrl','k','lang_advlink_desc','mceAdvLink')},getControlHTML:function(cn){switch(cn){case"link":return tinyMCE.getButtonHTML(cn,'lang_link_desc','{$themeurl}/images/link.gif','mceAdvLink')}return""},execCommand:function(editor_id,element,command,user_interface,value){switch(command){case"mceAdvLink":var anySelection=false;var inst=tinyMCE.getInstanceById(editor_id);var focusElm=inst.getFocusElement();var selectedText=inst.selection.getSelectedText();if(tinyMCE.selectedElement)anySelection=(tinyMCE.selectedElement.nodeName.toLowerCase()=="img")||(selectedText&&selectedText.length>0);if(anySelection||(focusElm!=null&&focusElm.nodeName=="A")){var template=new Array();template['file']='../../plugins/advlink/link.htm';template['width']=480;template['height']=400;template['width']+=tinyMCE.getLang('lang_advlink_delta_width',0);template['height']+=tinyMCE.getLang('lang_advlink_delta_height',0);tinyMCE.openWindow(template,{editor_id:editor_id,inline:"yes"})}return true}return false},handleNodeChange:function(editor_id,node,undo_index,undo_levels,visual_aid,any_selection){if(node==null)return;do{if(node.nodeName=="A"&&tinyMCE.getAttrib(node,'href')!=""){tinyMCE.switchClass(editor_id+'_advlink','mceButtonSelected');return true}}while((node=node.parentNode));if(any_selection){tinyMCE.switchClass(editor_id+'_advlink','mceButtonNormal');return true}tinyMCE.switchClass(editor_id+'_advlink','mceButtonDisabled');return true}};tinyMCE.addPlugin("advlink",TinyMCE_AdvancedLinkPlugin);