function showimage(bild) {
		var image_selected;
		for(i=0;i<imagearray.length;++i) {
			if(imagearray[i] == bild) image_selected = i;
		}
		document.getElementById('layer_fog').style.width = screen.width+'px';
		document.getElementById('layer_fog').style.height = screen.Height+'px';

		document.getElementById('layer_fog').style.display = 'inline';
		document.getElementById('layer_content').style.display = 'inline';

		if (navigator.appName.indexOf("Explorer") != -1) {
			window.location.href = '#';
			document.getElementById('layer_fog').style.position = 'absolute';
			document.getElementById('layer_content').style.position = 'absolute';
		}			

		if(image_selected <= 0) 
		{ 
			document.getElementById('layer_content').innerHTML = '<table border="0" cellpadding="0" cellspacing="0" width="100%" height="100%"><tr><td align="center" valign="middle"><a href="javascript:closeimage()">Schließen</a> | <a href="javascript:showimage(\''+imagearray[(image_selected+1)]+'\')"> weiter &raquo;</a><br><img src="'+bild+'" alt="" /><br><a href="javascript:closeimage()">Schließen</a> | <a href="javascript:showimage(\''+imagearray[(image_selected+1)]+'\')"> weiter &raquo;</a></td></tr></table>'; 
		}
		else if (image_selected >= (imagearray.length-1)) 
		{
			document.getElementById('layer_content').innerHTML = '<table border="0" cellpadding="0" cellspacing="0" width="100%" height="100%"><tr><td align="center" valign="middle"><a href="javascript:showimage(\''+imagearray[(image_selected-1)]+'\')">&laquo; zurück</a> | <a href="javascript:closeimage()">Schließen</a><br><img src="'+bild+'" alt="" /><br><a href="javascript:showimage(\''+imagearray[(image_selected-1)]+'\')">&laquo; zurück</a> | <a href="javascript:closeimage()">Schließen</a></td></tr></table>'; 
		}
		else 
		{ 
			document.getElementById('layer_content').innerHTML = '<table border="0" cellpadding="0" cellspacing="0" width="100%" height="100%"><tr><td align="center" valign="middle"><a href="javascript:showimage(\''+imagearray[(image_selected-1)]+'\')">&laquo; zurück</a> | <a href="javascript:closeimage()">Schließen</a> | <a href="javascript:showimage(\''+imagearray[(image_selected+1)]+'\')"> weiter &raquo;</a><br><img src="'+bild+'" alt="" /><br><a href="javascript:showimage(\''+imagearray[(image_selected-1)]+'\')">&laquo; zurück</a> | <a href="javascript:closeimage()">Schließen</a> | <a href="javascript:showimage(\''+imagearray[(image_selected+1)]+'\')"> weiter &raquo;</a></td></tr></table>'; 
		}
	}

	function closeimage() {
		document.getElementById('layer_fog').style.display = 'none';
		document.getElementById('layer_content').style.display = 'none';
	}