add: params.identity = accountManager.getFirstIdentityForServer(GetLoadedMsgFolder().server); 
context: function SendMailToNode(emailAddressNode){  var fields = Components.classes["@mozilla.org/messengercompose/composefields;1"].createInstance(Components.interfaces.nsIMsgCompFields);  var params = Components.classes["@mozilla.org/messengercompose/composeparams;1"].createInstance(Components.interfaces.nsIMsgComposeParams);  if (emailAddressNode && fields && params)  {    fields.to = emailAddressNode.getAttribute("fullAddress");    params.type = Components.interfaces.nsIMsgCompType.New;    params.format = Components.interfaces.nsIMsgCompFormat.Default;    params.composeFields = fields;    msgComposeService.OpenComposeWindowWithParams(null, params);  }}
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/ae13e066254d653c3f790c9af45db5e4f05c6a28/msgHdrViewOverlay.js/buggy/mailnews/base/resources/content/msgHdrViewOverlay.js