var zaehler=1;

function weiter(kategorie,nr,anzahl,video){
	zaehler += 1;
	if (zaehler > anzahl) zaehler = 1;
	if (zaehler==1 && video==1){
		var content = '<object width="450" height="350" data="../inhalt/'+kategorie+'/'+nr+'/bild'+zaehler+'.swf" type="application/x-shockwave-flash"><param name="movie" value="../inhalt/'+kategorie+'/'+nr+'/bild'+zaehler+'.swf"><param name="menu" value="false"><param name="wmode" value="transparent"></object>';
		div = document.getElementById('bild');
    	div.innerHTML = content;	
		var content2 = ' '+zaehler+' / '+anzahl;
		div = document.getElementById('anzahl');
    	div.innerHTML = content2;
	}else{
		var content = '<img src="../inhalt/'+kategorie+'/'+nr+'/bild'+zaehler+'.jpg" border=\"0\">';
		div = document.getElementById('bild');
    	div.innerHTML = content;
		var content2 = ' '+zaehler+' / '+anzahl;
		div = document.getElementById('anzahl');
    	div.innerHTML = content2;
	}
}

function zurueck(kategorie,nr,anzahl,video){
	zaehler -= 1;
	if (zaehler < 1) zaehler = anzahl;
	if (zaehler==1 && video==1){
		var content = '<object width="450" height="350" data="../inhalt/'+kategorie+'/'+nr+'/bild'+zaehler+'.swf" type="application/x-shockwave-flash"><param name="movie" value="../inhalt/'+kategorie+'/'+nr+'/bild'+zaehler+'.swf"><param name="menu" value="false"><param name="wmode" value="transparent"></object>';
		div = document.getElementById('bild');
    	div.innerHTML = content;
		var content2 = ' '+zaehler+' / '+anzahl;
		div = document.getElementById('anzahl');
    	div.innerHTML = content2;
	}else{
		var content = '<img src="../inhalt/'+kategorie+'/'+nr+'/bild'+zaehler+'.jpg" border=\"0\">';
		div = document.getElementById('bild');
    	div.innerHTML = content;
		var content2 = ' '+zaehler+' / '+anzahl;
		div = document.getElementById('anzahl');
    	div.innerHTML = content2;

	}
}