rem: gPrefs.setBoolPref("mailnews.display.prefer_plaintext", false); gPrefs.setIntPref("mailnews.display.html_as", 0); gPrefs.setIntPref("mailnews.display.disallow_mime_handlers", 0); 
add: gPrefBranch.setBoolPref("mailnews.display.prefer_plaintext", false); gPrefBranch.setIntPref("mailnews.display.html_as", 0); gPrefBranch.setIntPref("mailnews.display.disallow_mime_handlers", 0); 
context: function MsgBodyAllowHTML(){    gPrefs.setBoolPref("mailnews.display.prefer_plaintext", false);    gPrefs.setIntPref("mailnews.display.html_as", 0);    gPrefs.setIntPref("mailnews.display.disallow_mime_handlers", 0);    MsgReload();    return true;}
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/944dbeea99783f32c08eddb7e3d124ea7c165a5e/mailWindowOverlay.js/clean/mailnews/base/resources/content/mailWindowOverlay.js