///////////////welcher layer/foto soll gezeigt werden/////////////////

function showLayers(z,welcher){
	if (document.layers){
		document.layers["layer"+z].visibility="show";
		//if ("layer"+z=="layer1"){
			vari = window.document.layer1.document;
		//}
	}else if(document.all){
		document.all["layer"+z].style.visibility="visible";
		vari = window.document.all;
	}else if(document.getElementById){
		vari = window.document.getElementById;
		document.getElementById("layer"+z).style.visibility="visible";
	}
	//if ("layer"+z=="layer1"){
	///vari.bild.src="fotos/"+welcher+".jpg";
	//}	
}
//////////////////Layer wieder schließen/////////////////////////
function hideLayer(z){
	if (document.layers){
		document.layers["layer"+z].visibility="hide";
	}else if(document.all){
		document.all["layer"+z].style.visibility="hidden";
	}else if(document.getElementById){
		document.getElementById("layer"+z).style.visibility="hidden";
	}
}