add:   if (window.arguments && window.arguments[0]) window.arguments[0] = null; 
context:   onClose: function() {	  awResetAllRows();	  RemoveAllAttachments();	  //We need to clear the identity popup menu in case the user will change them. It will be rebuilded later in ComposeStartup    ClearIdentityListPopup(document.getElementById("msgIdentityPopup"));     //Clear the subject    var element = document.getElementById("msgSubject");    if (element)      element.value = "";    SetContentAndBodyAsUnmodified();    disableEditableFields()    ReleaseGlobalVariables();	},
meta: 8395	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/8395/b659745e814b7e3d6b3ff84fb08d64efd8e6f664/MsgComposeCommands.js/clean/mailnews/compose/resources/content/MsgComposeCommands.js