var altethumbschicht = 'SchichtThumb1';

// hauptnav wechsel
function WechselHauptnav(aktion, namelinkschicht, namepfeil)
{
	if(aktion == "over")
	{
		document.getElementById(namelinkschicht).className='SchichtHauptnavLinkGesamtOn';
		window.document.images[namepfeil].src = 'img/navi/pfeil_hauptnav.gif';
	}
	if(aktion == "out")
	{
		document.getElementById(namelinkschicht).className='SchichtHauptnavLinkGesamtOff';
		window.document.images[namepfeil].src = 'img/blind.gif';
	}
}

function WechselSubnav(aktion,namelinkschicht, namepfeil)
{
	if(aktion == "over")
	{
		document.getElementById(namelinkschicht).className='SchichtSubnavLinkGesamtOn';
		window.document.images[namepfeil].src = 'img/navi/pfeil_subnav.gif';
	}
	if(aktion == "out")
	{
		document.getElementById(namelinkschicht).className='SchichtSubnavLinkGesamtOff';
		window.document.images[namepfeil].src = 'img/blind.gif';
	}
}

function WechselNachObenPfeil(aktion, namepfeil)
{
	if(aktion == "over")
	{
		window.document.images[namepfeil].src = 'img/pfeil_nach_oben_on.gif';
	}
	if(aktion == "out")
	{
		window.document.images[namepfeil].src = 'img/pfeil_nach_oben_off.gif';
	}
}

function WechselMotiv(basismotiv)
{
	window.document.images['motiv'].src = basismotiv;
}

function WechselThumbBalken(aktion, balkenschicht)
{
	if(aktion == 'over')
	{
		document.getElementById(balkenschicht).className='SchichtThumbBalkenOn';
	}
	if(aktion == 'out' && altethumbschicht != balkenschicht)
	{
		document.getElementById(balkenschicht).className='SchichtThumbBalken';
	}
	if(aktion == 'click')
	{
		if(altethumbschicht != balkenschicht)
		{
			document.getElementById(altethumbschicht).className='SchichtThumbBalken';
		}
		altethumbschicht = balkenschicht;
		
	}
}


function FensterOeffner(DateiName, FensterName, FensterHoehe,Fensterbreite)
{
	FensterName = window.open(DateiName, FensterName, 'width=' + Fensterbreite + ',height=' + FensterHoehe + ',scrollbars=YES');
	FensterName.focus();
}

// Hinzugefuegt von Schepp am 08.12.2009

function infolayer_open(content_type)
{
	document.body.className = 'lightboxopen';
	if(document.getElementById('infolayer_content')) 
	{
		elem = document.getElementById('infolayer_content');
		elem.innerHTML = infolayer_contents[content_type];
	}
	lightbox_cover_opacity = 0;
	lightbox_window_opacity = 0;
	if(!document.all) infolayer_cover_fadein();
	else infolayer_window_fadein();
}

function infolayer_cover_fadein()
{
	if(document.getElementById('infolayer_cover') && lightbox_cover_opacity < lightbox_cover_opacity_target) 
	{
		elem = document.getElementById('infolayer_cover');
		elem.style.display = 'block';
		elem.style.width = '100%';
		elem.style.height = '100%';
		elem.style.backgroundColor = '#000000';
		lightbox_cover_opacity += lightbox_cover_opacity_step;
		if(lightbox_cover_opacity > lightbox_cover_opacity_target) lightbox_cover_opacity = lightbox_cover_opacity_target;
		if(elem.filters) elem.style.filter = 'alpha(opacity=' + (100 * lightbox_cover_opacity) + ')';
		else elem.style.opacity = lightbox_cover_opacity;
	}
	if(lightbox_cover_opacity < lightbox_cover_opacity_target) timer['infolayer_cover'] = window.setTimeout("infolayer_cover_fadein();",lightbox_cover_opacity_interval);
	else infolayer_window_fadein();
}

function infolayer_window_fadein()
{
	if(document.getElementById('infolayer_window') && lightbox_window_opacity < 1) 
	{
		elem = document.getElementById('infolayer_window');
		elem.style.display = 'block';
		lightbox_window_opacity += lightbox_window_opacity_step;
		if(lightbox_window_opacity > 1) lightbox_window_opacity = 1;
		if(elem.filters) elem.style.filter = 'alpha(opacity=' + (100 * lightbox_window_opacity) + ')';
		else elem.style.opacity = lightbox_window_opacity;
	}
	if(lightbox_window_opacity < 1) timer['infolayer_window'] = window.setTimeout("infolayer_window_fadein();",lightbox_window_opacity_interval);
	else if(elem.filters) elem.style.filter = 'none';
}

function infolayer_close()
{
	if(document.getElementById('infolayer_cover')) 
	{
		elem = document.getElementById('infolayer_cover');
		elem.style.display = 'none';
		elem.style.width = 0;
		elem.style.height = 0;
		lightbox_cover_opacity = 0;
		if(elem.filters) elem.style.filter = 'alpha(opacity=0)';
		else elem.style.opacity = 0;
	}
	if(document.getElementById('infolayer_window')) 
	{
		elem = document.getElementById('infolayer_window');
		elem.style.display = 'none';
		lightbox_window_opacity = 0;
		if(elem.filters) elem.style.filter = 'alpha(opacity=0)';
		else elem.style.opacity = 0;
	}
	if(document.getElementById('infolayer_content')) 
	{
		elem = document.getElementById('infolayer_content');
		elem.innerHTML = '';
	}
	document.body.className = '';
}

///////////////////////////////////////////

var infolayer_contents = new Object()

///////////////////////////////////////////

infolayer_contents['xmas'] = '<a href="ballonfahrten-nrw-gutscheine.php" style="display: block; margin-left: -50px; padding: 0; border: none; background-image: none;"><img src="../design/xmas_2009.jpg" width="600" height="411" alt="Weihnachts-Special" style="display: block; margin: 0; padding: 0; border: none; background-image: none;" /></a>';

///////////////////////////////////////////

var timer = new Object();
var verticalslide_steps_pixel = 30;
var verticalslide_steps_time = 50;
var imgpreload = new Array();
var current_zIndex = 2;
var current_header_foto_number = 0;
var current_header_foto_opacity = 1;
var slideshow_opacity_step = 0.02;
var slideshow_opacity_interval = 50;
var slideshow_wait_interval = 3000;
var lightbox_images = new Array();
var lightbox_images_count = 0;
var lightbox_smallimages_count = 0;
var lightbox_cover_opacity = 0;
var lightbox_cover_opacity_target = 0.4;
var lightbox_cover_opacity_step = 0.1;
var lightbox_cover_opacity_interval = 50;
var lightbox_window_slide_interval = 25;
var lightbox_window_slide_duration = 500;
var lightbox_window_slide_stepwidth = 10;
var lightbox_window_slide_stepheight = 10;
var lightbox_window_margin_width = 100;
var lightbox_window_margin_height = 100;
var lightbox_window_opacity = 0;
var lightbox_window_opacity_step = 0.2;
var lightbox_window_opacity_interval = 50;
var lightbox_refresh_webcam_interval = 10000;
var lightbox_image_maxwidth = 840;
var lightbox_image_maxheight = screen.height - 400;
var lightbox_previous = 1;
var lightbox_next = 1;
var links = new Array();
var viewportwidth;
var viewportheight;
var initialized = false;

/* Weihnachtslayer
window.onload = function() {
	var div = document.createElement("div");
	div.innerHTML = '<div id="infolayer_cover" onclick="infolayer_close();"></div>\
	<div id="infolayer_window">\
		<div id="infolayer_content"></div>\
		<div id="infolayer_close" onclick="infolayer_close();">Fenster schliessen</div>\
	</div>';
	document.body.appendChild(div);
	if(document.location.href == 'http://www.sky-fun.de/ballonfahrten/' || document.location.href == 'http://www.sky-fun.de/ballonfahrten/index.php')infolayer_open('xmas');
}
*/