webuserLoggedIn=false;webuserUsername="";

function writeWebUser() {
	var html = '';
	
	if (webuserLoggedIn) {
		html = 'Sie sind momentan als <b>' + webuserUsername + '</b> angemeldet. <a href="/secure.asp?a=logoff">Abmelden</a>';
	}
	else {
		html = '<a href="/secure.asp?ref=' + encodePath(location.pathname + location.search) + '">Anmelden</a>';
	}
	document.write(html);
}

function encodePath(sz) {
	var ret = '', i;
	var tester = /[A-Za-z0-9]/gi;
	
	for (i = 0; i < sz.length; i++) {
		if (tester.test(sz.substr(i, 1))) {
			ret += sz.charAt(i);
		}
		else {
			ret += "%" + hexEncode(sz.charCodeAt(i));
		}
	}
	return ret;
}

function hexEncode(n, digits) {
	var hex = "0123456789ABCDEF";
	var ret = "";
	var orgn = n;
	
	while (n > 0) {
		ret = hex.charAt(n % 16) + ret;
		n >>= 4;
	}
	while (ret.length < digits) {
		ret = "0" + ret;
	}
	return ret;
}