protected void showMainPage(L2PcInstance player)
    {
        NpcHtmlMessage adminReply = new NpcHtmlMessage(5);

        TextBuilder replyMSG = new TextBuilder(""+getName()+"");

        replyMSG.append("[ "+getName()+" ]"
                +""
                +"");
        replyMSG.append("
Engine instances");
        replyMSG.append("");
        for (L2EventGroupEngineInstance event : _eventInstances.values())
        {
            replyMSG.append(""+event.getName()+""
                +""
                +""
                +""
                );
        }
        replyMSG.append("");
        replyMSG.append("");
        replyMSG.append("");
        replyMSG.append("");
        replyMSG.append("");

        adminReply.setHtml(replyMSG.toString());
        player.sendPacket(adminReply);
        // Send a Server->Client ActionFailed to the L2PcInstance in order to avoid that the client wait another packet
        player.sendPacket(ActionFailed.STATIC_PACKET);
    }