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: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/f88480e7e4edf4841483924fe8c6e29be58cd35b/mailWindow.js/buggy/mailnews/base/resources/content/mailWindow.js