/* submenus */
function menu_groep_close(app_val){
	if (document.getElementById('mc_menu_groep_0') != null && app_val != "0"){document.getElementById('mc_menu_groep_0').style.display = "none";}
	if (document.getElementById('mc_menu_groep_1') != null && app_val != "1"){document.getElementById('mc_menu_groep_1').style.display = "none";}
	if (document.getElementById('mc_menu_groep_2') != null && app_val != "2"){document.getElementById('mc_menu_groep_2').style.display = "none";}
	if (document.getElementById('mc_menu_groep_3') != null && app_val != "3"){document.getElementById('mc_menu_groep_3').style.display = "none";}
	if (document.getElementById('mc_menu_groep_4') != null && app_val != "4"){document.getElementById('mc_menu_groep_4').style.display = "none";}
	if (document.getElementById('mc_menu_groep_5') != null && app_val != "5"){document.getElementById('mc_menu_groep_5').style.display = "none";}
	if (document.getElementById('mc_menu_groep_6') != null && app_val != "6"){document.getElementById('mc_menu_groep_6').style.display = "none";}
}