<!--

	// Layer anzeigen
	function showLayer(LayerName,anzLayers) {
	 	hideAllLayers(anzLayers);
		if (document.getElementById) {
			document.getElementById(LayerName).style.visibility="visible";
	 	}
	 	else if (document.layers) {
			document.layers[LayerName].visibility="visible";
	 	} 
	 	else if (document.all && !document.getElementById) {
	 		document.all[LayerName].style.visibility="visible";
	 	}
	}
	
	// Layer ausschalten
	function hideLayer(LayerName) {
		if (document.getElementById) {
			document.getElementById(LayerName).style.visibility="hidden";
		}
		else if (document.layers) {
			document.layers[LayerName].visibility="hidden";
		}
		else if (document.all && !document.getElementById) {
			document.all[LayerName].style.visibility="hidden";
		}
	}
	
	// alle Layers ausschalten
	function hideAllLayers(totalLayers) {
		strLayer = "Layer";
		for (i=1; i<=totalLayers; i++) {
			if (document.getElementById) {
				document.getElementById(strLayer + i).style.visibility="hidden";
			}
			else if (document.layers) {
				document.layers[strLayer + i].visibility="hidden";
			}
			else if (document.all && !document.getElementById) {
				document.all[strLayer + i].style.visibility="hidden";
			}
		}
	}
	
//-->