var c_iSeconds = 7;

  var g_bFirstTime = true;
  var g_astrIds;
  var g_iId = 0;
  
  function cyclestart( idArray )
  {
    g_astrIds = idArray;
    cyclenext( );
  }
  
  function cyclenext( )
  {
    if ( !g_bFirstTime )
    {
      g_iId++
      if ( g_iId == g_astrIds.length )
      {
        g_iId = 0
      }
    }
    g_bFirstTime = false;
    for ( var i = 0; i < g_astrIds.length; i++ )
    {
      var oItem = document.getElementById( g_astrIds[i] );
      oItem.style.display = ( i == g_iId ? "" : "none" );
    }
    setTimeout( "cyclenext( )", c_iSeconds * 1000 )
  }