var naviVisible = true;
function toggleNavi() {
	if(naviVisible) {
		Effect.BlindUp('navi_hideable', { duration: 0.2 });
		$('navi_arrow').src = 'images/navi-arrow-down.gif';
	} else {
		Effect.BlindDown('navi_hideable', { duration: 0.2 });
		$('navi_arrow').src = 'images/navi-arrow-up.gif';
	}
	naviVisible = !naviVisible;
}

function iconsOver(el) {
	$('head_icons_title').update(el.title);
	var img = $(el).down('img');
	img.src = String(img.src).replace(/.gif/, "-hover.gif");
}
function iconsOut(el) {
	$('head_icons_title').update();
	var img = $(el).down('img');
	img.src = String(img.src).replace(/-hover/, "");
}

function clearInput(el, value) { if(el.value == value) el.value = ''; }
function fillInput(el, value) { if(el.value == '') el.value = value; }

function reiseImgMiniOver(el, nr) {
	el = $(el);
	var div = el.previous('.mini_over').clonePosition(el, { setWidth: false, setHeight: false, offsetLeft: -16, offsetTop: -12 }).show();
	var img = new Element('img', { src: el.src, alt: el.alt });
	div.update(img);
	img.observe('click', function(event) { reisefader.show(nr); });
}
function reiseImgMiniOut(el) {
	$(el).hide();
}

function updateSonnenTime() {
	var value = String($('sonne_countdown').firstChild.nodeValue).split(':');
	if(String(value[0]).indexOf("0") == 0) value[0] = String(value[0]).substr(1,1);
	if(String(value[1]).indexOf("0") == 0) value[1] = String(value[1]).substr(1,1);
	value[0] = parseInt(value[0]);
	value[1] = parseInt(value[1]) - 1;
	if(value[1] == -1) {
		value[1] = 59;
		value[0]--;
		if(value[0] == -1) value[0] = 23;
	}
	if(value[0] == 0 && value[1] == 0) location.reload();
	if(value[0] < 10) value[0] = "0" + value[0];
	if(value[1] < 10) value[1] = "0" + value[1];
	$('sonne_countdown').update(value[0] + ':' + value[1]);
}

function addReiseToMerkliste(rid, murl) {
	new Ajax.Request('/ajax/reise-merken.php', {
		method: 'post',
		parameters: { reise_id: rid, url: murl },
		onSuccess: function(transport) {
			var success = transport.responseJSON;
			if(success) {
				var msg = 'Die Reise wurde in die Reise-Merkliste gelegt.';
				$('head').down('.icon_cart').src = 'images/icon-cart-red.gif';
			} else {
				var msg = 'Die Reise ist bereits in der Reise-Merkliste.';
			}
			$('merkliste_layer').show().down('.message').update(msg);
		}
	});
}

function number_format (number, decimals, dec_point, thousands_sep) {
	var exponent = "";
	var numberstr = number.toString ();
	var eindex = numberstr.indexOf ("e");
	if (eindex > -1) {
		exponent = numberstr.substring (eindex);
		number = parseFloat (numberstr.substring (0, eindex));
	}
	
	if (decimals != null) {
		var temp = Math.pow (10, decimals);
		number = Math.round (number * temp) / temp;
	}
	var sign = number < 0 ? "-" : "";
	var integer = (number > 0 ? Math.floor (number) : Math.abs (Math.ceil (number))).toString ();
	
	var fractional = number.toString ().substring (integer.length + sign.length);
	dec_point = dec_point != null ? dec_point : ".";
	fractional = decimals != null && decimals > 0 || fractional.length > 1 ? (dec_point + fractional.substring (1)) : "";
	if (decimals != null && decimals > 0) {
		for (i = fractional.length - 1, z = decimals; i < z; ++i)
			fractional += "0";
	}
	
	thousands_sep = (thousands_sep != dec_point || fractional.length == 0) ? thousands_sep : null;
	if (thousands_sep != null && thousands_sep != "") {
		for (i = integer.length - 3; i > 0; i -= 3)
			integer = integer.substring (0 , i) + thousands_sep + integer.substring (i);
	}
	
	return sign + integer + fractional + exponent;
}

var lyr_minikalender = null;
var lyr_empfehlen = null;
var lyr_kontakt = null;
var lyr_icq = null;
var lyr_versicherung = null;
var emotionFader = null;
var sndcheck = null;
Event.observe(window, 'load', function() {
	if ($('head').visible()) {
		emotionFader = new Crossfader('imagecontainer', 1, 3, true);
		lyr_minikalender = new LayerMinikalender('minikalender_layer');
		lyr_empfehlen = new LayerEmpfehlen('empfehlen_layer');
		lyr_kontakt = new LayerKontakt('kontakt_layer');
		lyr_icq = new LayerIcq('icq_layer');
		lyr_versicherung = new LayerVersicherung('versicherung_layer');
		sndcheck = new Soundcheck();
		window.setInterval(updateSonnenTime, 60000);
	}
});