add: gGeneratedViewAllHeaderInfo = false; 
context:     onStartHeaders: function()    {      ClearCurrentHeaders();      ClearAttachmentMenu();    },
meta: 10234	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/10234/370116ca58081f7abb17d238d593545a74834c46/msgHdrViewOverlay.js/clean/mailnews/base/resources/content/msgHdrViewOverlay.js