code: protected void switchTab() {
  
          Component tab = m_tab.getSelectedTab();
          int pos = m_tab.getTabPosition(m_tab.getTab(tab));
          if (m_isWebOU) {
              if (pos == 0) {
                  pos = 1;
              }
          }
          m_tab.setSelectedTab(pos + 1);
      }
docs: Switches to the next tab.