var selectedSecondLevelMenu = -1;

function CheckEnterDoLogin() {
  if ( nyx_checkEnter() )
    __doPostBack('btnLogin','');
}

function showHideSecondLevelMenu( n )
{
  var mnu;
  var mnuBg;
  var show = false;
  for( i = 0; i < 20; i++ )
  {
    if ( i == selectedSecondLevelMenu )
      continue;
      
    mnu = document.getElementById( 'divMenu2_' + i );
    mnuBg = document.getElementById( 'divMenuBg2_' + i );
    
    if ( i == n && mnu != null && mnu.style.display != 'block' )
      show = true;
      
    if ( mnu != null )
      mnu.style.display = 'none';

    if ( mnuBg != null )
      mnuBg.style.display = 'none';
      
  }
  
  if ( show )
  {
    mnu = document.getElementById( 'divMenu2_' + n );
    mnuBg = document.getElementById( 'divMenuBg2_' + n );
    
    if ( mnu != null )
      mnu.style.display = 'block';

    if ( mnuBg != null )
      mnuBg.style.display = 'block';
  }
}