fix 282669 focus To: address field correctly when cached compose window re-used, a=mscott

git-svn-id: svn://10.0.0.236/branches/MOZILLA_1_8_BRANCH@202296 18797224-902f-48f8-a5cc-f745e15eee43

mozilla/mail/components/compose/content/MsgComposeCommands.js

@@ -228,6 +228,10 @@ var gComposeRecyclingListener = {
     disableEditableFields();
     ReleaseGlobalVariables();
 
+    // Clear the focus
+    if (top.awInputElement.getAttribute('focused') != '')
+      top.awInputElement.removeAttribute('focused');
+
     //Reset Boxes size    
     document.getElementById("headers-box").removeAttribute("height");
     document.getElementById("appcontent").removeAttribute("height");