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,0,100,1);
	aktivBild = n;
}
function wechsel(arr,n,aktion)
{
	//if(n < arr.length - 1) {
	var a = n;
	var b = n +1;
	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){
			
				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],0,100,4);
				aktivBild = arr[b];
			}
		}
				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)
{ 
	if(elmOut!=elmIn){
		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){
			setTimeout("slide('" + elmIn + "','" + elmOut + "'," + newhIn +"," + newhOut +"," + steps +")",'0.0001');
			//slide(elmIn, elmOut, newhIn, newhOut, steps);
		}

	}
}


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";	
		}

	
}