rem: onToggleOpenState: function() 
add: onToggleOpenState: function(index) 
context:     onToggleOpenState: function()    {    },
meta: 5459	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/5459/54ef3cf434bff80fa6c63da6541c8803bb2cf05d/msgMail3PaneWindow.js/clean/mailnews/base/resources/content/msgMail3PaneWindow.js