window.addEvent('domready', function(){
	$('pid').addEvent('click', function(){getInfo($('pid').value)});
	$('verstuur').addEvent('click', function(){checkForm()});
})
var i = 0;
function selectWeek(id)
{
	if ($('week_' + id).hasClass('bezet')) {
		return false
	} else {
		$('week_' + id).style.color = 'darkblue';
		$('week_' + id).style.fontWeight = 'bold';
		if (i==0) { $('weken').value = id; i++ }
		else { $('weken').value += ',' + id; }
	}
}
function getInfo(id)
{
	if (id == 'kies_hier') { return false; }
	$('ajaxOutput').addClass('ajax_loader');
	var querystring = '?p=ajaxRequest&pid=' + id;
	var ajax_url    = 'includes/calendar.inc.php';
	new Ajax(ajax_url + querystring, {method: 'get', update: $('ajaxOutput'), onComplete: function(e){ $('ajaxOutput').removeClass('ajax_loader')}}).request();
}
var items;
function checkForm()
{
	items = '';
	var formItems = $$('form input')
	formItems.each(function(item){
		if(item.value == '') {
			items += item.id + ',';
		}
	})
	if (items == '') {
		$('resForm').submit();
	} else {
		alert('Alle velden moeten worden ingevuld!')
	}
}