rem: if (event.newValue == "true") { folderNameCell.setAttribute("label", "?folderTreeName"); } else if (event.attrChange == Components.interfaces.nsIDOMMutationEvent.REMOVAL) { folderNameCell.setAttribute("label", "?folderTreeSimpleName"); } 
add: var label = {"true": "?folderTreeName", "false": "?folderTreeSimpleName"}; folderNameCell.setAttribute("label", label[event.newValue]); 
context: function OnFolderUnreadColAttrModified(event){    if (event.attrName == "hidden")    {        var folderNameCell = document.getElementById("folderNameCell");        if (event.newValue == "true")        {            folderNameCell.setAttribute("label", "?folderTreeName");        }        else if (event.attrChange == Components.interfaces.nsIDOMMutationEvent.REMOVAL)        {            folderNameCell.setAttribute("label", "?folderTreeSimpleName");        }    }}
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/1447af025ba4a9c0c7fdeab1980a9aa665aa37aa/msgMail3PaneWindow.js/buggy/mailnews/base/resources/content/msgMail3PaneWindow.js