rem: onToggleOpenState: function() 
add: onToggleOpenState: function(index) 
context:     onToggleOpenState: function()    {    },
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/f13a4abe17586f3b8e4d8891a16d8dc330756fab/msgMail3PaneWindow.js/clean/mailnews/base/resources/content/msgMail3PaneWindow.js