$(document).ready(function()
{
	$('#koopavondenMenu').slideDown('slow');
	
	$('#closeKoopavondenMenu').click(function(){
		$('#koopavondenMenu').slideUp('slow');
	});

	$('#buttonKoopavonden').click(function(){
		$('#koopavondenMenu').slideDown('slow');
	});
	
	$('#submenu').slideDown('slow');	
});