rem: document.getElementById('messengerBox').removeAttribute('flex'); 
context: function HideAccountCentral(){    try    {        window.frames["accountCentralPane"].location = "about:blank";        document.getElementById("accountCentralBox").collapsed = true;        GetThreadTree().collapsed = false;        gSearchBox.collapsed = false;                var threadPaneSplitter = document.getElementById("threadpane-splitter");        threadPaneSplitter.collapsed = false;        GetMessagePane().collapsed = threadPaneSplitter.getAttribute("state") == "collapsed";        document.getElementById('messengerBox').removeAttribute('flex');        gAccountCentralLoaded = false;    }    catch (ex)    {        dump("Error hiding AccountCentral page -> " + ex + "\n");        return;    }}
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/2dde065046a51bfcee733621516ac4632773e3f9/mailWindow.js/clean/mail/base/content/mailWindow.js