var notfirst=false;

//initialize Bilderstrecken
var bilder= new Array(50);
var bildunterschriften= new Array(50);
var last= new Array(50);


function nextBild(bildakt,start,matid)
{
var akt=parseInt(document.getElementById(''+start+'.aktnr').value);

if(akt==last[matid])
{var next=0;}else{var next=akt+1;}

document.getElementById(''+start+'.aktnr').value=next;
document.getElementById(''+start+'.bild').innerHTML=bilder[matid][next];
document.getElementById(''+start+'.aktbildtext').focus();
document.getElementById(''+start+'.aktbildtext').innerHTML=bildunterschriften[matid][next];
return true;
}
function prevBild(bildakt,start,matid)
{

var akt=parseInt(document.getElementById(''+start+'.aktnr').value);
if(akt==0)
{var next=last[matid];}else{var next=akt-1;}
document.getElementById(''+start+'.aktnr').value=next;
document.getElementById(''+start+'.bild').innerHTML=bilder[matid][next];
document.getElementById(''+start+'.aktbildtext').focus();
document.getElementById(''+start+'.aktbildtext').innerHTML=bildunterschriften[matid][next];
return true;
}


function showhideMenuElement( show ) {
	
	var elements = document.body.getElementsByTagName('div');
	for (var j = 0; j < elements.length; j++) {
    if( elements[j].id.toString().substring(0,13) == "menuContainer" )
    {
    	elements[j].style.display='none';
    }
	}
	if(show !=''){
		document.getElementById(show).style.display='block';
		document.getElementById('menuLayer').style.display='block';
	}
	
	return true;
}
var aktivBild='';
var stopwechsel = false;
window.onblur = function() { stopwechsel = true; }
function wechselKlick(n){
	if(n==aktivBild){return true;}
	stopwechsel = true;
	var navpointa = 'nav-point-' + aktivBild;
	var navpointb = 'nav-point-' + n;
	document.getElementById(navpointb).className = 'wechselheader-nav-point-aktiv';
	document.getElementById(navpointa).className = 'wechselheader-nav-point';
	document.getElementById(n).style.left='80%';
				document.getElementById(n).style.opacity=1;
				document.getElementById(aktivBild).style.left='-20%';
				document.getElementById(aktivBild).style.display = 'block';
				document.getElementById(n).style.display = 'block';
	slide(n,aktivBild,0,100,.5);
	aktivBild = n;
}
function wechsel(arr,n,aktion)
{
	var a = n; //aktuelles element
	var b = n +1; //nächstes Element
	if( b == arr.length){
		b = 0;
	}
	if(stopwechsel == false){
		if(document.getElementById(arr[a]) != undefined){
			var navpointa = 'nav-point-' + arr[a];
			var navpointb = 'nav-point-' + arr[b];
		 	document.getElementById(navpointb).className = 'wechselheader-nav-point-aktiv';
		 	document.getElementById(navpointa).className = 'wechselheader-nav-point';
			document.getElementById(arr[a]).style.display = 'none';
			document.getElementById(arr[b]).style.display = 'block';
			
		//	slideOut(arr[b],arr[a],0,250,1);
		//	slideOutVertical(arr[b],arr[a],0,950,2);
			if(aktion==1){
				document.getElementById(arr[a]).style.display = 'none';
				document.getElementById(arr[b]).style.display = 'block';
				fadeIn(arr[b],arr[a],0,1,0.01);
			}else if(aktion==2){
			//confirm('weiter');
				document.getElementById(arr[b]).style.left='80%';
				document.getElementById(arr[b]).style.opacity=1;
				document.getElementById(arr[a]).style.left='-20%';
				document.getElementById(arr[a]).style.display = 'block';
				document.getElementById(arr[b]).style.display = 'block';
				slide(arr[b],arr[a],0,100,1, b, arr);
				aktivBild = arr[b];
			}
			//zoom it
			//alert("hier");
		
			document.getElementById(arr[a]+'-img').style.width = '100%';
			document.getElementById(arr[a]+'-teaser').style.display = 'none';
			//zoom it
		}
			//	var wechselTimer = setTimeout(function() {wechsel(arr, b, aktion);},10000);
		}else{
			//	var wechselTimer = setTimeout(function() {wechsel(arr, n, aktion);},8000);
		}
}
function fadeIn(elmIn,elmOut,hIn,hOut,steps)
{ 
	if(elmOut!=elmIn){
		var newhOut = hOut - steps;
		var newhIn = hIn + steps;
		document.getElementById(elmOut).style.opacity=newhOut;
		document.getElementById(elmIn).style.opacity=newhIn;
		if(newhOut>0){
			setTimeout("fadeIn('" + elmIn + "','" + elmOut + "'," + newhIn +"," + newhOut +"," + steps +")",'20');
		}

	}
}

function slide(elmIn,elmOut,hIn,hOut,steps,n, arr)
{ 
	if(elmOut!=elmIn){
		//if(hOut < 50){steps = steps/2;}
		//if(hOut < 20){steps = steps/2;}
		
		var newhOut = hOut - steps;
		var newhIn = 100 - newhOut;
		document.getElementById(elmOut).style.left='-' + newhIn + '%';
		document.getElementById(elmIn).style.left= newhOut + '%';
		//if(hIn == 0){
		//document.getElementById(elmOut).style.opacity=1;
		//document.getElementById(elmIn).style.opacity=1;
		//}
		if(newhOut>0){
		//	var slider = setTimeout("slide('" + elmIn + "','" + elmOut + "'," + newhIn +"," + newhOut +"," + steps +"," + n +"," + arr +")",'0.5');
		var slider = setTimeout(function() {slide(elmIn, elmOut, newhIn, newhOut, steps,n,arr);},1);
		}else{
			clearTimeout(slider);
			var upsizeTimer = setTimeout(function() {upsize(elmIn,100,n,arr);},20);
			
		}

	}
}

function upsize(elm, aktsize, n, arr)
{
	var newsize = aktsize + 0.02;
	document.getElementById(elm +'-img').style.height = newsize +'%';
	if(newsize < 103)
	{
		setTimeout(function() {upsize(elm,newsize,n, arr);},6);
	}else{
		
			document.getElementById(elm +'-teaser').style.display = 'block';
			var wechselTimer = setTimeout(function() {wechsel(arr, n, 2);},5000);
	}
}

function slideIn(elm,start,end)
{ 
	
		var newh = start + 50;
		if(newh > end){newh=end;}
		document.getElementById(elm).style.height = newh +"px";
		if(newh < end){
			setTimeout("slideIn('" + elm + "'," + newh + "," + end +")",'0');
		}

	
}
function slideOut(elm,start,end)
{ 
	
	
		var newh = start - 50;
		if(newh < 0){newh=0;}
		document.getElementById(elm).style.height = newh +"px";
		if(newh > 0){
			setTimeout("slideOut('" + elm + "'," + newh + "," + end +")",'0');
		}else{
			document.getElementById(elm).style.display='none';
			document.getElementById(elm).style.height = end + "px";	
		}

	
}
var begin=1;
function toggledisplay(elm)
{
	
	
	if(document.getElementById(elm).style.display=='none' || begin == 1){
	//alert('ja');
		document.getElementById(elm).style.visibility='hidden';
		document.getElementById(elm).style.display='block';
		var elmH = document.getElementById(elm).offsetHeight;
		document.getElementById(elm).style.height = '0px';
	//	alert(elmH);
		document.getElementById(elm).style.visibility='visible';
		slideIn(elm,0,elmH);
		begin=0;
	}else{
		var elmH = document.getElementById(elm).offsetHeight;
	//	alert(elmH);
	//	var saveH = elmH;
		slideOut(elm,elmH,elmH);
		//document.getElementById(elm).style.display='none';
	//	document.getElementById(elm).style.height = saveH + "px";
		begin=1;
		
	}
	
}
function toggleInnerHtml(elm,v1, v2){
	if(document.getElementById(elm).innerHTML==v1){
		document.getElementById(elm).innerHTML=v2;
	}else{
		document.getElementById(elm).innerHTML=v1;
	}
}
function toggledisplaycontent(elm)
{
	
	
	if(document.getElementById(elm).style.display=='none' || begin == 1111){
	//alert('ja');
		document.getElementById(elm).style.visibility='hidden';
		document.getElementById(elm).style.display='block';
		var elmH = document.getElementById(elm).offsetHeight;
		document.getElementById(elm).style.height = '0px';
	//	alert(elmH);
		document.getElementById(elm).style.visibility='visible';
		slideIn(elm,0,elmH);
		begin=0;
	}else{
		var elmH = document.getElementById(elm).offsetHeight;
	//	alert(elmH);
	//	var saveH = elmH;
		slideOut(elm,elmH,elmH);
		//document.getElementById(elm).style.display='none';
	//	document.getElementById(elm).style.height = saveH + "px";
		begin=1;
		
	}
	
}
function scrollme(elm, pos){
	document.getElementById(elm).scrollTo(0,pos);
} 
function toggledisplays(gruppe, elm, cnt)
{
	var mypos = (cnt * 53) - 53;
	//document.getElementById('MenuContainerSmartphone').scrollTo(0,mypos);
		
	var myElm = gruppe + elm;
	var myTop = 'menu' + elm;
	if(document.getElementById(myElm) != undefined){
		var elements = document.getElementsByClassName(gruppe);
	
		for (var j = 0; j < elements.length; j++) {
			 if(elements[j].id.toString() == myElm) {
		 		toggledisplay(myElm);
		 	}else{
		 		elements[j].style.display='none';
		 	}	
		}
		// var mypos = document.getElementById(myTop).offsetTop;
		setTimeout(function() {scrollme('MenuContainerSmartphone', mypos);},100);
		
		
		return true;
	}else{
		return false;
	}
	
}

function scrolltoelm( pos,plus ) {

xdes = document.getElementById(pos).offsetTop + plus;

	//if( inta == undefined ) {
		xpos = document.body.scrollTop;
		intaX = window.setInterval("scrollelm()", 40 );
//	}
	return;
}

function scrollelm() {

	var scrollspeed;
	if( xpos == xdes ) {
		window.clearInterval(intaX);

	} else {
		if( xpos > xdes ) {
			scrollspeed = parseInt( (xpos - xdes) / 5 );
			if( scrollspeed < 1 ) scrollspeed = 1;
			if( scrollspeed > 50 ) scrollspeed = (scrollspeed * 5) - 50;
			xpos -= scrollspeed;
		} else if( xpos < xdes ) {
			scrollspeed = parseInt( (xdes - xpos) / 5 );
			if( scrollspeed < 1 ) scrollspeed = 1;
			if( scrollspeed > 50 ) scrollspeed = (scrollspeed * 5) - 50;
			xpos += scrollspeed;
		}
		scrollTo( 0, xpos );
	}
	return;
}

function scrolltoelmy( pos,plus ) {
	elm = document.getElementById(pos);
	ydes = elm.scrollLeft + plus;

	//if( inta == undefined ) {
		ypos = elm.scrollLeft;
		//confirm(ypos);
		inta = window.setInterval("scrollelmy()", 60 );
//	}
	return;
}

function scrollelmy() {

	var scrollspeed;
	if( ypos == ydes ) {
		window.clearInterval(inta);

	} else {
		if( ypos > ydes ) {
			scrollspeed = parseInt( (ypos - ydes) / 5 );
			if( scrollspeed < 1 ) scrollspeed = 1;
			if( scrollspeed > 50 ) scrollspeed = (scrollspeed * 5) - 50;
			ypos -= scrollspeed;
		} else if( ypos < ydes ) {
			scrollspeed = parseInt( (ydes - ypos) / 50 );
			if( scrollspeed < 1 ) scrollspeed = 1;
			if( scrollspeed > 50 ) scrollspeed = (scrollspeed * 5) - 50;
			scrollspeed = 1;
			ypos += scrollspeed;
				
		}
		elm.scrollLeft = ypos;
	}
	return;
}



function istEmail(elm) 
		{
			 if (elm.value.indexOf("@") != "-1" &&
				 elm.value.indexOf(".") != "-1") {
				 return false;
			 }
			 else {
				 return true;
			 }
		}

function is_ziffer(chStr)
{
	var ok=true;
	for(i=0;i<chStr.length;++i) {
		if( chStr.charAt(i) < "0" || chStr.charAt(i) > "9"){
			ok = false;}
		}
	return ok;
}

var searchform=false;
function checksearch(txt)
{
	if(searchform==false)
	{
		document.getElementById('suchform').style.border='1px solid #aaa';
		document.getElementById('suche').style.width='350px'
		document.forms['suchform'].suchwort.style.width='80%'
		document.forms['suchform'].suchwort.style.padding='5px 5px';
		document.forms['suchform'].suchwort.focus();
		searchform=true;
		return false;
	}
	if(document.forms['suchform'].suchwort.value.length == 0)
	{
		
		document.forms['suchform'].suchwort.style.width='0%';
		document.forms['suchform'].suchwort.style.padding='5px 0px';
		document.forms['suchform'].suchwort.blur();
		document.getElementById('suche').style.width='30px';
		document.getElementById('suchform').style.border='none';
		
		searchform=false;
		return false;
	}
	if(document.forms['suchform'].suchwort.value.length < 3)
	{
		alert(txt);
		return false;
	}
	return true;
}

function checkForm(FormName)  
{ 
	for(i=0; i<document.forms[FormName].elements.length; i++)
		{

			if(document.forms[FormName].elements[i].name.substr(5,3)=='_p_')
			{
		
				if(document.forms[FormName].elements[i].value == "")
					{
						
						var feldname = document.forms[FormName].elements[i].name.substr(8,document.forms[FormName].elements[i].name.length - 9)
		 				alert(feldname + " ist ein Pflichtfeld !\nBitte überprüfen Sie Ihre Angabe");
	 					document.forms[FormName].elements[i].focus();
	 					return false;
					}
			}
			if(document.forms[FormName].elements[i].name.substr(5,3)=='_e_')
			{
		
				if(istEmail(document.forms[FormName].elements[i]))
					{
						alert("Bitte geben Sie eine gültige E-Mail Adresse an!");
	 					document.forms[FormName].elements[i].focus();
	 					return false;
					}
			}
				if(document.forms[FormName].elements[i].name == 'dataprivacy')
			{
				if(document.forms[FormName].elements[i].checked == false)
				{
					alert("Bitte geben Sie Ihre Einwilligung zur Erhebung Ihrer Daten gem. dem Datenschutzhinweis!\nPlease agree to collection of your data to serve your request according to our privacy policy!");
	 					document.forms[FormName].elements[i].focus();
	 					return false;
				}
			}
}
return true;
}

// Helper function to get an element's exact position
function getPosition(el) {
  var xPos = 0;
  var yPos = 0;
 
  while (el) {
    if (el.tagName == "BODY") {
      // deal with browser quirks with body/window/document and page scroll
      var xScroll = el.scrollLeft || document.documentElement.scrollLeft;
      var yScroll = el.scrollTop || document.documentElement.scrollTop;
 
      xPos += (el.offsetLeft - xScroll + el.clientLeft);
      yPos += (el.offsetTop - yScroll + el.clientTop);
    } else {
      // for all other non-BODY elements
      xPos += (el.offsetLeft - el.scrollLeft + el.clientLeft);
      yPos += (el.offsetTop - el.scrollTop + el.clientTop);
    }
 
    el = el.offsetParent;
  }
  return {
    x: xPos,
    y: yPos
  };
}