rem: folderNameCol.setAttribute("hideheader", showColumns ? "false" : "true"); var folderPaneHeader = document.getElementById("folderPaneHeader"); folderPaneHeader.setAttribute("hidden", showColumns ? "true" : "false"); var folderTree = document.getElementById("folderTree"); folderTree.setAttribute("hidecolumnpicker", showColumns ? "false" : "true"); var hidden = folderUnreadCol.getAttribute("hidden"); if (hidden != "true") { var folderNameCell = document.getElementById("folderNameCell"); folderNameCell.setAttribute("label", "?folderTreeSimpleName"); } 
add: folderNameCol.setAttribute("hideheader", showColumns ? "false" : "true"); var folderPaneHeader = document.getElementById("folderPaneHeader"); folderPaneHeader.setAttribute("hidden", showColumns ? "true" : "false"); var folderTree = document.getElementById("folderTree"); folderTree.setAttribute("hidecolumnpicker", showColumns ? "false" : "true"); var hidden = folderUnreadCol.getAttribute("hidden"); if (hidden != "true") { var folderNameCell = document.getElementById("folderNameCell"); folderNameCell.setAttribute("label", "?folderTreeSimpleName"); } 
context: function UpdateFolderColumnVisibility(){    var folderNameCol = document.getElementById("folderNameCol");    var showColumns = pref.getBoolPref("mail.showFolderPaneColumns");    var folderUnreadCol = document.getElementById("folderUnreadCol");     var folderColumnLabel = document.getElementById("folderColumnLabel");    if (!showColumns)    {      var folderTotalCol = document.getElementById("folderTotalCol");      var folderSizeCol = document.getElementById("folderSizeCol");      folderUnreadCol.setAttribute("hidden", "true");      folderTotalCol.setAttribute("hidden", "true");      folderSizeCol.setAttribute("hidden", "true");      folderNameCol.removeAttribute("label");    }    else    {      folderNameCol.setAttribute("label", folderColumnLabel.value);    }    folderNameCol.setAttribute("hideheader", showColumns ? "false" : "true");    var folderPaneHeader = document.getElementById("folderPaneHeader");    folderPaneHeader.setAttribute("hidden", showColumns ? "true" : "false");    var folderTree = document.getElementById("folderTree");    folderTree.setAttribute("hidecolumnpicker", showColumns ? "false" : "true");    var hidden = folderUnreadCol.getAttribute("hidden");    if (hidden != "true")    {        var folderNameCell = document.getElementById("folderNameCell");        folderNameCell.setAttribute("label", "?folderTreeSimpleName");    }} 
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/5313b0c00e70e0e03f62ec968df8ef1abd61da1b/msgMail3PaneWindow.js/clean/mail/base/content/msgMail3PaneWindow.js