// Active Menu

var docUrl = document.URL;

var fileStart = 0;
for( i=(docUrl.length-1); i >= 0; i--)
	if( docUrl.charAt(i) == "/" || docUrl.charAt(i) == "\\" ) {
		fileStart = i + 1;
		i = 0;
	}

var active_menu = docUrl.substr(fileStart, 3);

// Random Header

h01 = new Image();
h01.src = "../style/img/header_01.jpg";
h02 = new Image();
h02.src = "../style/img/header_02.jpg";
h03 = new Image();
h03.src = "../style/img/header_03.jpg";
h04 = new Image();
h04.src = "../style/img/header_04.jpg";
h05 = new Image();
h05.src = "../style/img/header_05.jpg";
h06 = new Image();
h06.src = "../style/img/header_06.jpg";
h07 = new Image();
h07.src = "../style/img/header_07.jpg";
h08 = new Image();
h08.src = "../style/img/header_08.jpg";

function randomHeader() {
	var imgNr = Math.round( Math.random()*8 );
	
	if( imgNr == 2 ) document.getElementById('img_header').src = h02.src;
	if( imgNr == 3 ) document.getElementById('img_header').src = h03.src;
	if( imgNr == 4 ) document.getElementById('img_header').src = h04.src;
	if( imgNr == 5 ) document.getElementById('img_header').src = h05.src;
	if( imgNr == 6 ) document.getElementById('img_header').src = h06.src;
	if( imgNr == 7 ) document.getElementById('img_header').src = h07.src;
	if( imgNr == 8 ) document.getElementById('img_header').src = h08.src;
}


// Menu functions

vision = new Image();
vision.src = "../style/img/" + language + "/menu1_vision.jpg";
vision_over = new Image();
vision_over.src = "../style/img/" + language + "/menu1_vision_over.jpg";

program = new Image();
program.src = "../style/img/" + language + "/menu1_program.jpg";
program_over = new Image();
program_over.src = "../style/img/" + language + "/menu1_program_over.jpg";

gallery = new Image();
gallery.src = "../style/img/" + language + "/menu1_gallery.jpg";
gallery_over = new Image();
gallery_over.src = "../style/img/" + language + "/menu1_gallery_over.jpg";

signup = new Image();
signup.src = "../style/img/" + language + "/menu1_signup.jpg";
signup_over = new Image();
signup_over.src = "../style/img/" + language + "/menu1_signup_over.jpg";

contact = new Image();
contact.src = "../style/img/" + language + "/menu1_contact.jpg";
contact_over = new Image();
contact_over.src = "../style/img/" + language + "/menu1_contact_over.jpg";

lanG = new Image();
lanG.src = "../style/img/" + language + "/menu1_lang.jpg";
lanG_over = new Image();
lanG_over.src = "../style/img/" + language + "/menu1_lang_over.jpg";

bridgEvis = new Image();
bridgEvis.src = "../style/img/" + language + "/menu_bridge_vis.jpg";

bridgEpro = new Image();
bridgEpro.src = "../style/img/" + language + "/menu_bridge_pro.jpg";

bridgEgal = new Image();
bridgEgal.src = "../style/img/" + language + "/menu_bridge_gal.jpg";

bridgEanm = new Image();
bridgEanm.src = "../style/img/" + language + "/menu_bridge_anm.jpg";

bridgEkon = new Image();
bridgEkon.src = "../style/img/" + language + "/menu_bridge_kon.jpg";

var active_menu_img = new Image();

function checkActiveMenu() {
	switch ( active_menu ) {
		case "vis":
			document.getElementById('td_menu1_vis').firstChild.firstChild.src = vision_over.src;
			active_menu_img = vision;
			document.getElementById('td_menubridge_vis').firstChild.src = bridgEvis.src;
			document.getElementById('td_menubridge_vis').firstChild.style.height = "9px";
			document.getElementById('td_menubridge_vis').firstChild.style.width = "100%";
			break;
		case "pro":
			document.getElementById('td_menu1_pro').firstChild.firstChild.src = program_over.src;
			active_menu_img = program;
			document.getElementById('td_menubridge_pro').firstChild.src = bridgEpro.src;
			document.getElementById('td_menubridge_pro').firstChild.style.height = "9px";
			document.getElementById('td_menubridge_pro').firstChild.style.width = "100%";
			break;
		case "gal":
			document.getElementById('td_menu1_gal').firstChild.firstChild.src = gallery_over.src;
			active_menu_img = gallery;
			document.getElementById('td_menubridge_gal').firstChild.src = bridgEgal.src;
			document.getElementById('td_menubridge_gal').firstChild.style.height = "9px";
			document.getElementById('td_menubridge_gal').firstChild.style.width = "100%";
			break;
		case "anm":
			document.getElementById('td_menu1_sig').firstChild.firstChild.src = signup_over.src;
			active_menu_img = signup;
			document.getElementById('td_menubridge_sig').firstChild.src = bridgEanm.src;
			document.getElementById('td_menubridge_sig').firstChild.style.height = "9px";
			document.getElementById('td_menubridge_sig').firstChild.style.width = "100%";
			break;
		case "kon":
			document.getElementById('td_menu1_con').firstChild.firstChild.src = contact_over.src;
			active_menu_img = contact;
			document.getElementById('td_menubridge_con').firstChild.src = bridgEkon.src;
			document.getElementById('td_menubridge_con').firstChild.style.height = "9px";
			document.getElementById('td_menubridge_con').firstChild.style.width = "100%";
			break;
	}
}

function menu(obj, name) {
	if( name != active_menu_img )
		obj.firstChild.src = name.src;
}

// Image PopUp
function openImage(file, imgWidth, imgHeight) {
	var title;
	if( language = "en" ) title = "Image";
	else title = "Bild";
	var winWidth = imgWidth + 20;
	var winHeight = imgHeight + 20;
	winImage = window.open(file, title, "width=" + winWidth +",height=" + winHeight);
	winImage.moveTo((screen.width - winWidth)/2, (screen.height - winHeight)/2);
	winImage.focus();
}

// Form Popup
function showForm( formPath, width, height ) {
	
	form_window = window.open( formPath ,"form","top=100,left=100,scrollbars=yes,status=no,toolbar=no,width=" + width + ",height=" + height);
	window.form_window.focus();
}

// Close "Aktuell" on de/index.html
function closeNews() {
	document.getElementById("div_aktuell").style.visibility = "hidden";
	document.getElementById("div_popup").style.visibility = "hidden";
}