/* Navigation */

var navelements;
var navimages = new Array();
var oldclass = new Array();

function hoverMenu() {
	if (document.getElementById('nav') && document.getElementById('content')) {
		navelements = document.getElementById('nav').getElementsByTagName('li');
		for (i=0; i<navelements.length; i++) {
			navimages[i] = document.getElementById('nav').getElementsByTagName('li')[i].getElementsByTagName('img')[0].src;
			oldclass[i] = navelements[i].className;
		}
	}
	initTips();
}
window.onload = hoverMenu;


function swapMenuImage(element, newimage, nummer) {
	if (navelements) {
		var oldsrc = element.getElementsByTagName('img')[0].src;
		for (i=0; i<navelements.length; i++) {
			navelements[i].getElementsByTagName('img')[0].src = navimages[i];
		}
		element.getElementsByTagName('img')[0].src = newimage;

		if (nummer != '') {
			changeBgColor(nummer);
		}

		if (!element.onmouseout) {
			element.onmouseout = function (event) { 
				swapMenuImage(this, oldsrc, '');
				for (i=0; i<navelements.length; i++) {
					navelements[i].className = oldclass[i];
				}
			};
		}
	}
}

function changeBgColor (nummer) {

	navelements = document.getElementById('nav').getElementsByTagName('li');
	if (navelements) {
		for (i=0; i<navelements.length; i++) {
			tmp_class = '';

			if ((i+1) == (nummer-2) || (i+1) == (nummer+2)) {
				tmp_class = 'zwei';
			} else if ((i+1) == (nummer-1) || (i+1) == (nummer+1)) {
				tmp_class = 'eins';
			} else if ((i+1) == nummer) {
				tmp_class = 'hover';
			}

			navelements[i].className = tmp_class;
		}
	}
}




// LAGEPLAN

function displayLP(imagename, element) {
	ov_image = document.getElementById('overviewimage');
	detail_image = document.getElementById('detailimage');
	obj = document.getElementById(imagename);
	links = document.getElementById('positionplannav').getElementsByTagName('a');

	for (i=0; i<links.length; i++) {
		links[i].className = '';
	}

	ov_image.style.display = 'none';
	detail_image.style.display = 'none';
	obj.style.display = 'block';

	element.className = 'active';

	return false;
}





// FAQ-SCRIPT

function displayfaq(id) {
	for (i=0;i<questions.length;i++) {
		document.getElementById('question_'+questions[i]).style.display='none';
	}
	document.getElementById('question_'+id).style.display='block';
}




function getAdr(prefix, postfix, text) {
        document.write('<a href="mailto:' + prefix + '@' + postfix + '">' + (text ? text.replace(/&quot;/g, '"').replace(/%EMAIL%/, prefix + '@' + postfix) : prefix + '@' + postfix) + '</a>');
}

function swapImage(element, newimage) {
	var oldsrc = element.src
	element.src = newimage
	if (!element.onmouseout) {
		element.onmouseout = function (event) { swapImage(this, oldsrc); };
	}
}



// deletes leading and trailing spaces in a string - adds the function directly to the String Object, so that all strings inherit this method
String.prototype.trim = function() {
	return this.replace(/(^\s*)|(\s*$)/g, '');
}

//checkEmail - needed for forms
function checkEmail(val) {
	if (val) {
		var usr = "([a-zA-Z0-9][a-zA-Z0-9_.-]*|\"([^\\\\\x80-\xff\015\012\"]|\\\\[^\x80-\xff])+\")";
		var domain = "([a-zA-Z0-9][a-zA-Z0-9._-]*\\.)*[a-zA-Z0-9][a-zA-Z0-9._-]*\\.[a-zA-Z]{2,5}";
		var regex = "^"+usr+"\@"+domain+"$";
		var myrxp = new RegExp(regex);
		var check = (myrxp.test(val));
		if (check!=true) {
			return false;
		}
		else {
			return true;
		}
	}
}

/*
validates formfields if they have a value or not
to check for other options do the following
specialfields = new Object();
specialfields.fieldname = new Object();
specialfields.fieldname.check1 = 'function_to_call,error_message';
specialfields.fieldname.check2 = 'second_function_to_call,second_error_message';
specialfields.another_fieldname = new Object();
specialfields.another_fieldname.check1 = 'function_to_call,error_message';
*/
function validateForm(form,specialfields) {
	var errors = new Array();
	var fields = form.getElementsByTagName('label');
	for (i = 0; i < fields.length; i++) {
		var span = fields[i].getElementsByTagName('span')[0];
		if (span && span.firstChild) {
			var label = span.firstChild.data;
			label = label.trim();
			// if there is a '*' in the label - this indicates the inputfield has to be filled
			if (label.charAt(label.length - 1) == '*') {
				label = label.substring(0, label.length - 1).trim();
				// get the inputfield
				var obj_input = fields[i].getElementsByTagName('input');
				if (!obj_input[0])
					obj_input = fields[i].getElementsByTagName('select');
				if (!obj_input[0])
					obj_input = fields[i].getElementsByTagName('textarea');

				// if there is an inputfield
				if (obj_input && obj_input[0]) {
					input = obj_input[0];
					error = false;
					
					// check if the inputfield has a value
					if (!input.value || input.value.trim().length==0) {
						error = true;
						errors.push(label + ' nicht eingegeben');
					}
					
					// check the inputfield for special things (email, ...)
					if (!error && specialfields[input.name]){
						specialfield = specialfields[input.name];
						for (check in specialfield){
							check_function = specialfield[check].split(',')[0];
							check_message = specialfield[check].split(',')[1];
							if (!eval(check_function)(input.value)){
								error = true;
								errors.push(label + ' ' + check_message);
							}
						}
					}

					// on error give the label the className 'error' otherwise delete the className 'error' (if exists)
					if (error) {
						className = fields[i].className;
						if (className.length>0){
							className = className + ' ';
						}
						fields[i].className = className + 'error';
					} else {
			            	className = fields[i].className;
						if (className.indexOf('error')>-1){
								className = className.replace(' error', '');
								className = className.replace('error', '');
								fields[i].className = className;
						}
					}
				}
			}
		}
	}

	return errors;
}

function showFormErrors (errors) {
	error_message = '';
	for (i=0;i<errors.length;i++){
		error_message += errors[i] + '\n';
	}
	alert(error_message);
}


function popup(url, typ, para1, width, height) {
	attrib = "";
	Y = (screen.height - width) / 2;
	X = (screen.width - height) / 2;
	X = Math.round(X);
	Y = Math.round(Y);
	if (para1 == 'CENTER') attrib += 'height=' + height + ',width=' + width + ',top=' + Y + ',left=' + X;
	if (typ == 'TYP1') attrib += ",scrollbars=no";
	if (typ == 'TYP2') attrib += ",scrollbars=yes";
	if (typ == 'TYP3') attrib += ",scrollbars=yes,menubar=yes";
	fenster = window.open(url, 'win', attrib);
	return false;
}



/* LEXIKON */


var descriptions = new Array();
var oldtitle;

function initTips () {
	for (i=0; i<document.getElementsByTagName('a').length; i++) {
		if (document.getElementsByTagName('a')[i].className=='definitionlink') {
			document.getElementsByTagName('a')[i].onmouseover = function() {displayTip(this);}
			document.getElementsByTagName('a')[i].href = '#';
		}
	}
}

function displayTip(element) {
	oldtitle = element.title;
	var oldtitle = element.title;
	if (!document.getElementById('tooltip')) {
		newelement('tooltip');
	}
	var lixlpixel_tooltip = document.getElementById('tooltip');
	lixlpixel_tooltip.innerHTML = oldtitle;
	lixlpixel_tooltip.style.display = 'block';
	document.onmousemove = getmouseposition;
	element.title = '';
	element.onmouseout = function () {
		closeTip(element, oldtitle);
	}
	return false;
}

function closeTip (element, oldtitle) {
	element.title = oldtitle;
	document.getElementById('tooltip').style.display = 'none';
}

function newelement (newid) {
	if (document.createElement) {
		var el = document.createElement('div');
		el.id = newid;
		with (el.style) {
			display = 'block';
			position = 'absolute';
		}
		el.innerHTML = '&nbsp;';
		document.body.appendChild(el);
	}
}

var ie5 = (document.getElementById && document.all);
var ns6 = (document.getElementById && !document.all);
var offsetx = 12;
var offsety =  8;

function getmouseposition(e) {
	if (document.getElementById) {
		mousex = (ie5)?event.x:(ns6)?clientX = e.clientX:false;
		mousey = (ie5)?event.y:(ns6)?clientY = e.clientY:false;
		var lixlpixel_tooltip = document.getElementById('tooltip');
		lixlpixel_tooltip.style.left = (mousex+offsetx) + 'px';
		lixlpixel_tooltip.style.top = (mousey+offsety) + 'px';
	}
}









function moveEverything()
{
	if(!(document.getElementById('startpage')))
	{
		var lis = document.getElementById('nav').getElementsByTagName('li');
		var activeReached = 0;
		var activeIndex = -1;

		for(i=0; i<lis.length; i++)
		{
			if(activeReached == 1)
			{
				lis[i].style.position='absolute';
				lis[i].style.top=((document.body.offsetHeight - 142 - (lis.length*21)) +(i*21)) + 'px';
				lis[i].style.left='0px';
				lis[i].style.right='0px';
			}
			else
			{
				lis[i].style.position='absolute';
				lis[i].style.top=(i*21) + 'px';
				lis[i].style.left='0px';
				lis[i].style.right='0px';
			}

			if(lis[i].firstChild.id == 'nav_'+activeMenu)
			{
				activeReached = 1;
				activeIndex = i;
			}
		}

		var container = document.getElementById('container');
		container.style.top=210-((lis.length - 1 - activeIndex)*21)+'px';
		container.style.bottom=45+((lis.length - 1 - activeIndex)*21)+'px';
	}
}

window.onresize = moveEverything;

function changeLocation(obj)
{
	var lis = document.getElementById('nav').getElementsByTagName('li');
	var targetFound = 0;
	var activeMenuFound = 0;
	var targetFoundIndex = -1;
	var activeMenuFoundIndex = -1;

	if(document.getElementById('startpage')) {
	} else {
		document.getElementById('content').style.overflow = 'hidden';

		var container = document.getElementById('container');

		for(i=0; i<lis.length; i++)
		{
			lis[i].onmouseover = function() {};
			lis[i].style.height='20px';
			lis[i].firstChild.style.height='17px';
			lis[i].firstChild.style.paddingTop='3px';
			lis[i].firstChild.onclick = function() { return false; };

			if(targetFound == 0 && activeMenuFound == 1)
			{
				menu_margin = new Fx.Styles(lis[i], {duration: 1000});
				menu_margin.start( { 'top' : (i*21) } );
			}

			if(targetFound == 1 && activeMenuFound == 0)
			{
				newtop = ((document.body.offsetHeight - 142 - (lis.length*21)) +(i*21));
				menu_margin = new Fx.Styles(lis[i], { duration: 1000});
				menu_margin.start( { 'top' : newtop } );
			}

			if(lis[i].firstChild.id == obj.id)
			{
				targetFound = 1;
				targetFoundIndex = i;
			}

			if(lis[i].firstChild.id == 'nav_'+activeMenu)
			{
				activeMenuFound = 1;
				activeMenuFoundIndex = i;
			}
		}

		if(activeMenuFoundIndex > targetFoundIndex)
		{
			menu_margin = new Fx.Styles(container, {duration: 1000});
			menu_margin.start( { 'top' : document.body.offsetHeight } );
		}

		if(activeMenuFoundIndex < targetFoundIndex)
		{
			menu_margin = new Fx.Styles(container, {duration: 1000});
			menu_margin.start( { 'bottom' : document.body.offsetHeight } );
		}

		setTimeout('document.location.href="'+obj.href+'"', 1200);
	}
}

window.addEvent('domready', function(){

	var container = document.getElementById('container');
/*	var lis = document.getElementById('nav').getElementsByTagName('li'); */

	if(!(document.getElementById('startpage')))
	{

	var lis = document.getElementById('nav').getElementsByTagName('li');
		var lastActiveMenu = Cookie.get('lastActiveMenu');
		var lastActiveSubMenu = Cookie.get('lastActiveSubMenu');

		moveEverything();
		setTimeout('moveEverything();', 10);

		for(i=0; i<lis.length; i++)
		{
			if(lis[i].firstChild.id != 'nav_'+activeMenu)
			{
				lis[i].firstChild.onclick = function() {
					changeLocation(this);
					return(false);
				}
			}
		}

		if(activeMenu != 'content')
		{
			var containerfade = new Fx.Style(container, 'opacity', {duration:2000 });

			if(lastActiveMenu != activeMenu)
			{
				Cookie.set('lastActiveMenu', activeMenu, { path: "/" });
				containerfade.set(0);
				containerfade.start(0,1);
			}
			else
			{
			
			}

			Cookie.set('lastActiveSubMenu', activeSubMenu, { path: "/" });
		}
	}
});




// GALERIE


var fade_direction = 1;
var prev_image = "0";
var zIndexCount = 1000;

function showTeamGallery(id) {
	newimage_src = document.getElementById('bild_gross_'+id).src;
	newimage = document.getElementById('sujet_after');
	oldimage = document.getElementById('sujet_before');

	if(id != prev_image)
	{
		newimage = document.getElementById('bild_gross_'+id);
		oldimage = document.getElementById('bild_gross_'+prev_image);

		zIndexCount++;
		newimage.style.zIndex = zIndexCount;
		var fx = new Fx.Style(oldimage, 'opacity', {duration: 400, wait: false}).start(1,0);
		var fx = new Fx.Style(newimage, 'opacity', {duration: 400, wait: false}).start(0,1);
		prev_image = id;
	}

	for (i=0; i<team_galnav_src.length; i++) {
		if (document.getElementById('team_description_'+i)) {
			document.getElementById('team_description_'+i).style.display='none';
		}
		document.getElementById('galnav_'+i).className=' ';
		document.getElementById('galnav_'+i).getElementsByTagName('img')[0].src = team_galnav_src[i];
	}

	if (document.getElementById('team_description_'+id)) {
		document.getElementById('team_description_'+id).style.display='block';
	}

	document.getElementById('galnav_'+id).className = 'active';
	document.getElementById('galnav_'+id).getElementsByTagName('img')[0].src = activepic_src;
}

// Initialize Gallery
window.addEvent('domready', function()
{
	var bilder_gross = document.getElementById('bilder_gross');
	if(bilder_gross)
	{
		var sujet = document.getElementById('sujet');
		sujet.innerHTML = bilder_gross.innerHTML;
		bilder_gross.innerHTML = '';
		var imgs = sujet.getElementsByTagName('img');
		for(i=0; i<imgs.length; i++)
		{
			if(i == 0)
			{
				$(imgs[i]).effects({}).set({'opacity':[1]});
			}
			else
			{
				$(imgs[i]).effects({}).set({'opacity':[0]});
			}

			imgs[i].style.position = 'absolute';
			imgs[i].style.top='0';
			imgs[i].style.left='0';
		}
	}
});