function show(el) {
	document.getElementById('magnetto').style.display = "none";
	document.getElementById('mim').style.display = "none";
	document.getElementById('mtm').style.display = "none";
	document.getElementById('immoWeb').style.display = "none";
	document.getElementById('shop3').style.display = "none";
	document.getElementById('webshop').style.display = "none";
	document.getElementById('allyn').style.display = "none";
	document.getElementById('golle').style.display = "none";
	document.getElementById('krebshilfe').style.display = "none";
	document.getElementById(el).style.display = "block";
}