4719 Common patchset for jdk1.7 support preparation

*** 280,290 ****
                  DurationHelper.this.durationHelperClose(true);
              } else if (e.getSource() == cancel) {
                  DurationHelper.this.durationHelperClose(false);
              } else if (e.getSource() == help) {
                  if (hd != null)
!                     hd.show();
                  else {
                      hd = new HelpDialog(DurationHelper. this.parent,
                          getString("Help for entering time duration"),
                                      false, 5, 45);
                      hd.setVisible(true);
--- 280,290 ----
                  DurationHelper.this.durationHelperClose(true);
              } else if (e.getSource() == cancel) {
                  DurationHelper.this.durationHelperClose(false);
              } else if (e.getSource() == help) {
                  if (hd != null)
!                     hd.setVisible(true);
                  else {
                      hd = new HelpDialog(DurationHelper. this.parent,
                          getString("Help for entering time duration"),
                                      false, 5, 45);
                      hd.setVisible(true);