rem: try 
add: try 
context: function ShowAccountCentral(){    try     {        var acctCentralPage = pref.getLocalizedUnicharPref("mailnews.account_central_page.url");        switch (gPaneConfig)        {                case 0:                messagesBox.setAttribute("collapsed", "true");                accountCentralBox.removeAttribute("collapsed");                window.frames["accountCentralPane"].location = acctCentralPage;                gAccountCentralLoaded = true;                break;            case 1:                var messagePaneBox = document.getElementById("messagepanebox");                messagePaneBox.setAttribute("collapsed", "true");                var threadPaneBox = document.getElementById("threadpaneBox");                threadPaneBox.setAttribute("collapsed", "true");                var threadPaneSplitter = document.getElementById("threadpane-splitter");                threadPaneSplitter.setAttribute("collapsed", "true");                accountCentralBox.removeAttribute("collapsed");                window.frames["accountCentralPane"].location = acctCentralPage;                gAccountCentralLoaded = true;                break;        }    }    catch (ex)     {        dump("Error loading AccountCentral page -> " + ex + "\n");        return;    }}
meta: 8395	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/8395/0b2dd2b2d2fd037df917e07645fa019a963332a5/mailWindow.js/clean/mailnews/base/resources/content/mailWindow.js