add:   GetThreadTree().boxObject.height; } 
context: function ShowingThreadPane(){    gSearchBox.collapsed = false;    var threadPaneSplitter = document.getElementById("threadpane-splitter");    threadPaneSplitter.collapsed = false;    if (!threadPaneSplitter.hidden && threadPaneSplitter.getAttribute("state") != "collapsed")        GetMessagePane().collapsed = false;    document.getElementById("key_toggleMessagePane").removeAttribute("disabled");}
meta: 10234	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/10234/e89ff9066cdd48128b4b4d24914b746ef60a474a/mailWindow.js/clean/mailnews/base/resources/content/mailWindow.js