rem: var tagService = Components.classes["@mozilla.org/messenger/tagservice;1"].getService(Components.interfaces.nsIMsgTagService); 
add: var tagService = Components.classes["@mozilla.org/messenger/tagservice;1"] .getService(Components.interfaces.nsIMsgTagService); 
context: function AddTagCallback(name, color){  var tagService = Components.classes["@mozilla.org/messenger/tagservice;1"].getService(Components.interfaces.nsIMsgTagService);  tagService.addTag(name, color);  try  {    ToggleMessageTag(tagService.getKeyForTag(name), true);  }  catch(ex)  {    return false;  }  return true;}
meta: 10234	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/10234/6b6e8fc76969489aa0909d3b599afcb02b4d026b/mailWindowOverlay.js/clean/mail/base/content/mailWindowOverlay.js