add: UpdateAttachmentCol(true); 
context: function OnLoadThreadPane(){    UpgradeThreadPaneUI();}
meta: 10234	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/10234/a6c7d42ba564deaca843dd420b78a1f069ef26dd/msgMail3PaneWindow.js/clean/mailnews/base/resources/content/msgMail3PaneWindow.js