add:  window._content.focus(); 
context: function editorSendPage(){  var docModified = editorShell.documentModified;  var pageUrl = window.editorShell.editorDocument.location;  if (pageUrl != "about:blank" && !docModified)  {    var pageTitle = window.editorShell.editorDocument.title;    window.openDialog("chrome://messenger/content/messengercompose/messengercompose.xul", "_blank",                         "chrome,all,dialog=no", "attachment='" + pageUrl + "',body='" + pageUrl +                        "',subject='" + pageTitle + "',bodyislink=true");  }   else if (CheckAndSaveDocument(GetString("SendPageReason")))    editorSendPage();}
meta: 10234	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/10234/ad53c5a9b12dc84f1a64abd31b91ad7fc17fff05/editor.js/clean/editor/ui/composer/content/editor.js