var ns4 = (document.layers)? true:false;
var ns6 = (document.getElementById)? true:false;
var ie  = (document.all)? true:false;

function sPb(name){
	if (ie) {document.all[''+name].style.visibility = "visible"}
	else if(ns4) {document.layers[''+name].visibility = "show";}
	else if(ns6) {document.getElementById(''+name).style.visibility = "visible";}
	aktLayerName=name;
}

function hPb(name){
	if (ie) {document.all[''+name].style.visibility = "hidden"}
	else if(ns4) {document.layers[''+name].visibility = "hide"}
	else if(ns6) {document.getElementById(''+name).style.visibility = "hidden";}
	aktLayerName='';
}

function setCookie(coknam, value){
	document.cookie = coknam + "=" + escape (value) + "; path=/";
	return null;
}

var err_count_signs = 1;
function count_signs(){
	fmax = 250;
	if(fmax-document.fadd.au_desc.value.length < 0){
		if(err_count_signs == 1){
			err_count_signs = 0;
			alert("Es dürfen nicht mehr als " + fmax + " Zeichen in der Beschreibung eingegeben werden!");	
		}
		document.fadd.au_desc.value = document.fadd.au_desc.value.substring(0,fmax);
		document.fadd.count_au_desc.value = fmax-document.fadd.au_desc.value.length; 
	}else{
		document.fadd.count_au_desc.value = fmax - document.fadd.au_desc.value.length;
		err_count_signs = 1;
	}
}