rem: try { accountCentralBox.setAttribute("hidden", "true"); messagesBox.removeAttribute("hidden"); gAccountCentralLoaded = false; 
add: try { switch (gPaneConfig) { case 0: accountCentralBox.setAttribute("hidden", "true"); messagesBox.removeAttribute("hidden"); gAccountCentralLoaded = false; break;  case 1: accountCentralBox.setAttribute("hidden", "true"); var messagePaneBox = document.getElementById("messagepanebox"); messagePaneBox.removeAttribute("hidden"); var threadPaneBox = document.getElementById("threadpaneBox"); threadPaneBox.removeAttribute("hidden"); var threadPaneSplitter = document.getElementById("threadpane-splitter"); threadPaneSplitter.removeAttribute("hidden"); gAccountCentralLoaded = false; break; } 
context: function HideAccountCentral(){    try {        accountCentralBox.setAttribute("hidden", "true");        messagesBox.removeAttribute("hidden");        gAccountCentralLoaded = false;    }    catch (ex) {        dump("Error hiding AccountCentral page -> " + ex + "\n");        return;    }}
meta: 5872	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/5872/56dcc9412847f4e3e8a253f2723f3defe7a62bb8/mailWindow.js/clean/mailnews/base/resources/content/mailWindow.js