rem: msgPaneData.CcValue = document.getElementById("CcValue"); 
add: msgPaneData.CcValueShort = document.getElementById("CcValueShort"); msgPaneData.CcValueLong = document.getElementById("CcValueLong"); msgPaneData.CcValueToggleIcon = document.getElementById("CcValueToggleIcon");  
context: function OnLoadMsgHeaderPane(){   // build a document object for the header pane so we can cache fetches for elements  // in a local variable  // if you add more document elements with ids to msgHeaderPane.xul, you should add   // to this object...  msgPaneData = new Object;  currentHeaderData = new Object;  if (msgPaneData)  {    // First group of headers    msgPaneData.SubjectBox = document.getElementById("SubjectBox");    msgPaneData.SubjectValue = document.getElementById("SubjectValue");    msgPaneData.FromBox   =   document.getElementById("FromBox");    msgPaneData.FromValue = document.getElementById("FromValue");    msgPaneData.DateBox = document.getElementById("DateBox");    msgPaneData.DateValue = document.getElementById("DateValue");    // Attachment related elements    msgPaneData.AttachmentPopup = document.getElementById("attachmentPopup");    msgPaneData.AttachmentButton = document.getElementById("attachmentButton");    // Second toolbar     msgPaneData.ToBox = document.getElementById("ToBox");    msgPaneData.ToValue = document.getElementById("ToValue");    msgPaneData.CcBox = document.getElementById("CcBox");    msgPaneData.CcValue = document.getElementById("CcValue");    msgPaneData.NewsgroupBox = document.getElementById("NewsgroupBox");    msgPaneData.NewsgroupValue = document.getElementById("NewsgroupValue");    // Third toolbar    msgPaneData.UserAgentBox = document.getElementById("UserAgentBox");    msgPaneData.UserAgentValue = document.getElementById("UserAgent");  }}
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/c3864a3999973c596c1a5cd932369ef8bbba9f68/msgHdrViewOverlay.js/clean/mailnews/base/resources/content/msgHdrViewOverlay.js