window.addEvent('domready', function()
{
    set_btn_src(curr_menu);

	var menu_serv_fx = new Fx.Slide('menu_div_serv');
    var menu_tech_fx = new Fx.Slide('menu_div_tech');
    var menu_port_fx = new Fx.Slide('menu_div_port');
    var open_menu=0;

    menu_serv_fx.hide();
    menu_tech_fx.hide();

    var works_url='works';
    var works_url='works';

    var n_works_url = new String("works");
    var c_works_url = new String(page_url);
    if (page_url<4 || page_url>4){menu_port_fx.hide();};


    function slide_out_all(m_id)
    {
      var open_count=0;
      if (menu_serv_fx.open){menu_serv_fx.slideOut(); open_count=1;};
      if (menu_tech_fx.open){menu_tech_fx.slideOut(); open_count=1;};
      if (menu_port_fx.open){menu_port_fx.slideOut(); open_count=1;};

      if (open_count<1){slide_in(m_id);};
    };

    function slide_in(m_id)
    {
      if (m_id==1){menu_serv_fx.slideIn();};
      if (m_id==2){menu_tech_fx.slideIn();};
      if (m_id==3){menu_port_fx.slideIn();};
    };

	$('menu02').addEvent ('click', function(e){e.stop(); open_menu=1; slide_out_all(1);});
    $('menu03').addEvent ('click', function(e){e.stop(); open_menu=2; slide_out_all(2);});
    $('menu04').addEvent ('click', function(e){e.stop(); open_menu=3; slide_out_all(3);});

    menu_serv_fx.addEvent('complete', function(){if (!menu_serv_fx.open){slide_in(open_menu);} });
    menu_tech_fx.addEvent('complete', function(){if (!menu_tech_fx.open){slide_in(open_menu);} });
    menu_port_fx.addEvent('complete', function(){if (!menu_port_fx.open){slide_in(open_menu);} });
});