<!--  layer functions -->
	
	
	<!--  cross-browser -->
	
	if (document.layers)
	{
     		ns = 1; ie = 0;
	}
	else
	{
		ns = 0; ie = 1;
	}
	
	
	<!--  layer anzeigen/ausblenden -->
	
	function showLayer(name){
        if (ns)
        {
            document[name].visibility = "visible";
    	} else {
            document.all[name].style.visibility = "visible";
		}
	}
	
	function hideLayer(name){
        if (ns)
        {
            document[name].visibility = "hide";
    	}else{
            document.all[name].style.visibility = "hidden";
    	}
	}