function preview(imgID) {

	if (imgID) {
	
		document.getElementById('headerBild').style.display="none";
		
		document.getElementById('previewImgContainer').src="/images/"+imgID+"/"+imgID+"_header.jpg";
	;
		document.getElementById('previewImg').style.display="block";
		
		if (timeout) {
			clearTimeout(timeout);
		}
	}
	else {
		timeout=setTimeout(hidePreview,2000);
		
	}
}

function hidePreview() {
	document.getElementById('previewImg').style.display="none";
	document.getElementById('headerBild').style.display="block";
}



function ds(id) {
	
	for (x=1; x<=6 ; x++) {
		document.getElementById('dienstleistung'+x).style.display='none';
	}

	document.getElementById('dienstleistung'+id).style.display='block';
}



function FensterOeffnen (Adresse) {
  Fenster1 = window.open(Adresse, "Zweitfenster", "width=620, height=610, left=250,top=360");
  Fenster1.focus();
}