if (months == undefined)
{
	var months = 'Januar,Februar,März,April,Mai,Juni,Juli,August,September,Oktober,November,Dezember';
}

if (shortMonths == undefined)
{
	var shortMonths = 'Jan,Feb,Mär,Apr,Mai,Jun,Jul,Aug,Sep,Okt,Nov,Dez';
}

if (days == undefined)
{
	var days = 'Sonntag,Montag,Dienstag,Mittwoch,Donnerstag,Freitag,Samstag';
}

if (shortDays == undefined)
{
	var shortDays = 'So,Mo,Di,Mi,Do,Fr,Sa';
}

var defaultSelectOptiontext = 'Alle';

document.observe('dom:loaded', function() {
	
	if ($('date') != undefined)
	{
		// Kalender einbinden
		Calendar.setup({
			dateField: 'date',
			triggerElement: 'openCalendar',
			dateFormat: '%d.%m.%Y'
		});
		
		// Kalender für Deutsche Sprache konfigurieren
		Calendar.MONTH_NAMES = months.split(',');
		Calendar.SHORT_MONTH_NAMES = shortMonths.split(',');
		Calendar.DAY_NAMES = days.split(',');
		Calendar.SHORT_DAY_NAMES = shortDays.split(',');
	}
	
	if ($('type1') != undefined && $('type2') != undefined)
	{
		// Selectboxen ändern bei nue laden der seite
		updateTypes($('type1'), $('type2'), 2);
		updateTypes($('type2'), $('type1'), 1);
		
		$('type1').observe('change', function() {
			updateTypes($('type1'), $('type2'), 2);
		});
		
		$('type2').observe('change', function() {
			updateTypes($('type2'), $('type1'), 1);
		});
	}
	
	function updateTypes(select_field, update_field, update_all_type)
	{
		var width = $(update_field).getWidth();
		var type_id = $F(select_field);
		var base_url = document.URL.split('?')[0];

		defaultSelectOptiontext = $(select_field).options[0].text;
		
		var url = base_url + '?eID=easytourist_getRelatedTypes';
		
		if (type_id == '')
		{
			type_id = 'all';
		}
		
		new Ajax.Request(url, {
			method: 'post',
			parameters: {
				type_id: type_id,
				related_type: update_all_type
			},
			onSuccess: function(r) {
				var response = r.responseText.evalJSON();
				
				if (response != false)
				{
					var options = '<option value="">' + defaultSelectOptiontext + '</option>';
					
					response.each(function(item) {
						var selected = '';
						
						if ($F(update_field) == item.id)
						{
							selected = 'selected="selected"';
						}
						
						options += '<option value="' + item.id + '" ' + selected + '>' + item.title + '</option>';
					});
					
					$(update_field).update(options);
					$(update_field).setStyle({width: width});
				}
				else
				{
					var options = '<option value="">' + defaultSelectOptiontext + '</option>';
					
					$(update_field).update(options);
					$(update_field).setStyle({width: width});
				}
			}
		});
	}
});