function submenu(id, method) {
	switch(method) {
		case 'show' :
			document.getElementById(id).style.display = 'block';
		break;
		case 'hide' :
			document.getElementById(id).style.display = 'none';
		break;
	}
}

var active_sfeer = 0;

function slideshow(actie)
{
	
	if(actie == 'next') {

		active_sfeer++;
	
		if(active_sfeer == slideshow_div.length)
		{
			active_sfeer = 0;
		}

		sfeer_data = slideshow_div[active_sfeer];

		sfeer_array = sfeer_data.split("|");

		$('sfeerfoto').src = sfeer_array[0];
		$('sfeercontent').innerHTML = sfeer_array[1];


	} else if(actie == 'prev') {

		active_sfeer--;

		if(active_sfeer < 0)
		{
			active_sfeer = slideshow_div.length-1;
		}

		sfeer_data = slideshow_div[active_sfeer];

		sfeer_array = sfeer_data.split("|");

		$('sfeerfoto').src = sfeer_array[0];
		$('sfeercontent').innerHTML = sfeer_array[1];

	}
	
}

var active_sfeer = 0;
var sfeer_id = 1;

function slide()
{
	active_sfeer++;
	active_sfeer_id = sfeer_id;
	sfeer_id++;
	
	if(active_sfeer == slideshow_div.length)
	{
		active_sfeer = 0;
	}
	if(sfeer_id > 2)
	{
		sfeer_id = 1;
	}

	sfeer_data = slideshow_div[active_sfeer];

	sfeer_array = sfeer_data.split("|");

	$('sfeerfoto'+sfeer_id).src = sfeer_array[0];
	$('sfeercontent'+sfeer_id).innerHTML = sfeer_array[1];
	
	new Effect.Fade('contentfoto'+active_sfeer_id, {
		delay: 2.5,
		duration: 1.0
	});
	new Effect.Appear('contentfoto'+sfeer_id, {
		from: 0.0,
		to: 1.0,
		duration: 1.0,
		delay: 2.5,
		afterFinish: function() { 
			slide(); 
		}
	});
}