function show_bild(feld, wert, num){
	//feldname=feld+nummer;
	if (num == "null"){
		num_now=parseInt(document.getElementById('zahl').childNodes.nodeValue);
	}
	else{
		num_now=num;
		document.getElementById('zahl').firstChild.nodeValue=num_now;
	}
	document.getElementById(feld).style.display=wert;
	max_j=document.getElementById("max").firstChild.nodeValue;
	zahl_1=document.getElementById("zahl").childNodes[0].nodeValue;
		if (zahl_1 >= 5 && max_j > 5 && zahl_1 < 10){
			hide_all("bilder", max_j);
			//alert("max: "+max_j+" Zahl_1:"+zahl_1);
			for (i=6; i< 11; i++){
				bk_full="bk"+i;
				show(bk_full, "block");
			}
		}
		else if (zahl_1 == 5 && max_j == 5){
		//	alert("max: "+max+" Zahl_1:"+zahl_1);
			hide_all("bk", max_j);
			for (i=1; i<6; i++){
				bk_full="bk"+i;
				show(bk_full, "block");
			}
		}
		else if (zahl_1 == 10 && max_j == 10){
		//	alert("max: "+max+" Zahl_1:"+zahl_1);
			hide_all("bk", max_j);
			for (i=6; i<=10; i++){
				bk_full="bk"+i;
				show(bk_full, "block");
			}
		}
		else if (zahl_1 == 10 && max_j > 10){
		//	alert("max: "+max+" Zahl_1:"+zahl_1);
			hide_all("bk", max_j);
			for (i=11; i<=15; i++){
				bk_full="bk"+i;
				show(bk_full, "block");
			}
		}
		else if (zahl_1 >10 && max_j > 10){
			//alert("max: "+max_j+" Zahl_1:"+zahl_1);
			hide_all("bk", max_j);
			for (i=11; i<16; i++){
				bk_full="bk"+i;
				show(bk_full, "block");
			}
		}
		else {
			hide_all("bk", max_j);
			//alert("max: "+max_j+" Zahl_1:"+zahl_1);
			if (max_j < 5){
				for (i=1; i<=max_j; i++){
					bk_full="bk"+i;
					show(bk_full, "block");
				}
			}
			else {
				for (i=1; i<=5; i++){
					bk_full="bk"+i;
					show(bk_full, "block");
				}
			}
		}
}
function change(Bildname, Dateiname) {

   if (document.images) {
      document.images[Bildname].src = Dateiname }
}
function winopen(url, width, height)
{
	if (height == null)
	{
		height = "550";
	}
	begriff = window.open(url,"_blank","top=30,left=50,toolbar=no,width="+width+",height="+height+",directories=no,status=no,scrollbars=yes,resize=no,menubar=no");
	begriff.focus();
	return;
}
function show(feld, wert){
	//feldname=feld+nummer;
	document.getElementById(feld).style.display=wert;
}
function openwin(url)
{
	begriff = window.open(url,"window","top=30,left=50,toolbar=no,width=200,height=300,directories=no,status=no,scrollbars=no,resize=no,menubar=no");
	begriff.focus();
	return;
}
function openwinvideo (url, breite, hoehe){
	begriff = window.open(url,"popup","top=30,left=50,toolbar=no,width="+breite+",height="+hoehe+",directories=no,status=no,scrollbars=no,resize=no,menubar=no");
	begriff.focus();
	return;
}
function showpic(plusminus, max){
	num_now=parseInt(document.getElementById('zahl').firstChild.nodeValue);
	num_now=num_now;
	if (plusminus == "plus"){
		plus=num_now+1;
		if (plus > max){
			plus = 1;
		}
	//	alert("plus: "+plus+" num_now: "+num_now);
		hide_all("bild", max);
		show("bild"+plus, "block");
		document.getElementById("zahl").firstChild.nodeValue=plus;
	}
	else if (plusminus == "minus"){
		//alert("Nummer: "+nummer+" num_now: "+num_now);
		minus=num_now-1;
		if (minus == 0){
			minus = max;
		}
	//	alert("minus: "+minus+" num_now: "+num_now);
		hide_all("bild", max);
		show("bild"+minus, "block");
		document.getElementById("zahl").firstChild.nodeValue=minus;
	}
}
function showvideo(plusminus, max, nummer){
	num_now=nummer;
	if (plusminus == "plus"){
		plus=num_now+1;
		if (plus > max){
			plus = 1;
		}
		hide_all("video", max);
		show("video"+plus, "block");
	}
	else if (plusminus == "minus"){
		//alert("Nummer: "+nummer+" num_now: "+num_now);
		minus=num_now-1;
		if (minus == 0){
			minus = max;
		}
	//	alert("minus: "+minus+" num_now: "+num_now);
		hide_all("video", max);
		show("video"+minus, "block");
	}
}
function hide_all(feldname,num){
	var nummer=1;
//	feld=feldname+nummer;
	for (i=1; i<= num; i++){
		feld=feldname+i;
		//alert("Feldname:"+feld);
		document.getElementById(feld).style.display='none';
	}
}
function hide_allvideos(feldname,num){
	//feldname=feld+nummer;
	for (i=0; i< num; i++){
		feld=feldname+i;
		document.getElementById(feld).style.display='none';
	}
}
function reiter(id){
	url = "inc/reiter.php?reiter="+id;
/*	new Ajax.Request(url, {
		method: 'get',
		onComplete: function (req){
			//alert(url);
			if (req.status == 200){
				$('infos').innerHTML = req.responseText;
			}
			else{
				alert("Status: "+req.status+req.statusText);
			}
		}
	});*/
	try{
		req = new XMLHttpRequest();
	//	alert("xml");
	}
	catch(e){
		// Das ist f�r IE6
		try {
			req = new ActiveXObject("Microsoft.XMLHttp");
		}
		catch(e){
			alert("Error creating request object!");
		}
	}
	if (req == null){
		alert("Error creating request object!");
	}
		//anfrage erstellen (GET, url ist localhost,
		//request ist asynchron
	req.open("GET", url, true);
		//Beim abschliessen des request wird diese Funktion ausgef�hrt
	req.onreadystatechange = function(){
		switch(req.readyState) {
			case 4:
				if(req.status!=200) {
					alert("Fehler:"+req.status);
				}else{
					//alert(req.responseText);
					//schreibe die antwort in den div container mit der id content
					document.getElementById('infos').innerHTML = req.responseText;
				}
				break;

				default:
					return false;
					break;
			}
		};

	req.setRequestHeader("Content-Type",
					"application/x-www-form-urlencoded");
	req.send(null);
}
function addproduct(divid, id){
	url = "inc/ajax/add_product.php?id="+id;
	try{
		req = new XMLHttpRequest();
	//	alert("xml");
	}
	catch(e){
		// Das ist fuer IE6
		try {
			req = new ActiveXObject("Microsoft.XMLHttp");
		}
		catch(e){
			alert("Error creating request object!");
		}
	}
	if (req == null){
		alert("Error creating request object!");
	}
		//anfrage erstellen (GET, url ist localhost,
		//request ist asynchron
	req.open("GET", url, true);
		//Beim abschliessen des request wird diese Funktion ausgef�hrt
	req.onreadystatechange = function(){
		switch(req.readyState) {
			case 4:
				if(req.status!=200) {
					alert("Fehler:"+req.status);
				}else{
//					alert(req.responseText);
					//schreibe die antwort in den div container mit der id content
					document.getElementById(divid).innerHTML = req.responseText;
					document.getElementById('anzahl-p2').innerHTML = req.responseText;
				}
				break;

				default:
					return false;
					break;
			}
		};

	req.setRequestHeader("Content-Type",
					"application/x-www-form-urlencoded");
	req.send(null);
}