function wechselnBild(url){
	Zweitbild = new Image(800, 572);
	Zweitbild.src = url;
	document.getElementById("Bild").src = Zweitbild.src;
}

function display(id){	
/* 
	document.getElementById("di").style.display = "none";
	document.getElementById("ds").style.display = "none";
	document.getElementById("dc").style.display = "none";
	document.getElementById("dk").style.display = "none";
	document.getElementById("text").style.display = "none";	
	document.getElementById(id).style.display = "block";	
*/
}