function language_select_de_hide()  {
	document.getElementById('language_select_menu_de').style.display = 'none';
} 

function language_select_de_show()  {
	document.getElementById('language_select_menu_de').style.display = 'block';
} 

function language_select_en_hide()  {
	document.getElementById('language_select_menu_en').style.display = 'none';
} 

function language_select_en_show()  {
	document.getElementById('language_select_menu_en').style.display = 'block';
} 

function start_select_equipment_hide()  {
	document.getElementById('start_select_equipment_menu').style.display = 'none';
} 

function start_select_equipment_show()  {
	document.getElementById('start_select_equipment_menu').style.display = 'block';
} 

function start_select_postproduktion_hide()  {
	document.getElementById('start_select_postproduktion_menu').style.display = 'none';
} 

function start_select_postproduktion_show()  {
	document.getElementById('start_select_postproduktion_menu').style.display = 'block';
} 

function employee_1_show()  {
	document.getElementById('employee_2_info').style.display = 'none';
	document.getElementById('employee_3_info').style.display = 'none';
	document.getElementById('employee_1_info').style.display = 'block';
} 

function employee_1_hide()  {
	document.getElementById('employee_1_info').style.display = 'none';
} 

function employee_2_show()  {
	document.getElementById('employee_1_info').style.display = 'none';
	document.getElementById('employee_3_info').style.display = 'none';
	document.getElementById('employee_2_info').style.display = 'block';
} 

function employee_2_hide()  {
	document.getElementById('employee_2_info').style.display = 'none';
} 

function employee_3_show()  {
	document.getElementById('employee_1_info').style.display = 'none';
	document.getElementById('employee_2_info').style.display = 'none';
	document.getElementById('employee_3_info').style.display = 'block';
} 

function employee_3_hide()  {
	document.getElementById('employee_3_info').style.display = 'none';
} 

function setZoomImage(whichImage) {
	pic = whichImage;
	changeZoomImage(0);
}

function changeZoomImage(direction) {
	// 1 = vorheriges , 2 = nächstes
	
	document.getElementById('site').className = "transparent";
	document.getElementById('gallery_content').className = "transparent";
	document.getElementById('fotos_zoom').style.display = "block";
	var imageNumber = zoomImage.length - 1;
	
	if (direction == 2) {
		pic = pic + 1;
		if (pic > imageNumber) pic = 1;
	}
	
	if (direction == 1) {
		if (pic == 1) pic = imageNumber; else pic = pic - 1;
	}
	
	document.images.zoom.src = zoomImage[pic];
	document.getElementById('fotos_zoom_bottom_text').childNodes[0].nodeValue = zoomImageText[pic]['a'];
	document.getElementById('fotos_zoom_bottom_text').childNodes[1].nodeValue = "<br />";
	document.getElementById('fotos_zoom_bottom_text').childNodes[2].nodeValue = zoomImageText[pic]['b'];
}

function unsetZoomImage() {
	document.getElementById('site').className = "";
	document.getElementById('gallery_content').className = "";
	document.getElementById('fotos_zoom').style.display = "none";
}

function setZoomNow(img) {
	document.images[img].className = "transparent";
	document.getElementById(img+"_text").style.display = 'block';
}

function unsetZoomNow(img) {
	document.images[img].className = "";
	document.getElementById(img+"_text").style.display = 'none';
}

// Gallery 2

function setZoomBigImage(whichImage) {
	pic = whichImage;
	changeZoomBigImage(0);
}

function changeZoomBigImage(direction) {
	// 1 = vorheriges , 2 = nächstes
	
	document.getElementById('site').className = "transparent";
	
	var imageNumber = zoomImage.length - 1;
	
	
	if (direction == 2) {
		pic = pic + 1;
		if (pic > imageNumber) pic = 1;
	}
	
	if (direction == 1) {
		if (pic == 1) pic = imageNumber; else pic = pic - 1;
	}
	
	var url = zoomImage[pic]
	foto = new Image();
 	foto.src = url;
    var width = foto.width;
    var height = foto.height;
	
	if (width == 500) {
		document.getElementById('fotos_zoom_bigh').style.display = "none";
		document.getElementById('fotos_zoom_big').style.display = "block";
		document.images.zoom.src = zoomImage[pic];
		document.getElementById('fotos_zoom_big_bottom_text').childNodes[0].nodeValue = zoomImageText[pic]['a'];
		document.getElementById('fotos_zoom_big_bottom_text').childNodes[1].nodeValue = "<br />";
		document.getElementById('fotos_zoom_big_bottom_text').childNodes[2].nodeValue = zoomImageText[pic]['b'];
		
	} else {
		document.getElementById('fotos_zoom_big').style.display = "none";
		document.getElementById('fotos_zoom_bigh').style.display = "block";
		document.images.zoomh.src = zoomImage[pic];
		document.getElementById('fotos_zoom_big_bottom_texth').childNodes[0].nodeValue = zoomImageText[pic]['a'];
		document.getElementById('fotos_zoom_big_bottom_texth').childNodes[1].nodeValue = "<br />";
		document.getElementById('fotos_zoom_big_bottom_texth').childNodes[2].nodeValue = zoomImageText[pic]['b'];
	}
}

function unsetZoomBigImage() {
	document.getElementById('site').className = "";
	document.getElementById('fotos_zoom_big').style.display = "none";
	document.getElementById('fotos_zoom_bigh').style.display = "none";
}

function setZoomBigNow(img) {
	document.images[img].className = "transparent";
	document.getElementById(img+"_text").style.display = 'block';
}

function unsetZoomBigNow(img) {
	document.images[img].className = "";
	document.getElementById(img+"_text").style.display = 'none';
}