// Cookie API  v1.0.1
// documentation: http://www.dithered.com/javascript/cookies/index.html
// license: http://creativecommons.org/licenses/by/1.0/
// code (mostly) by Chris Nott (chris[at]dithered[dot]com)

deleteCookie("style", "/", "zabdesign.de");


// Retrieve a named cookie value
function getCookie(name) {
	var dc = document.cookie;
	
	// find beginning of cookie value in document.cookie
	var prefix = name + "=";
	var begin = dc.indexOf("; " + prefix);
	if (begin == -1) {
		begin = dc.indexOf(prefix);
		if (begin != 0) return null;
	}
	else begin += 2;
	
	// find end of cookie value
	var end = document.cookie.indexOf(";", begin);
	if (end == -1) end = dc.length;
	
	// return cookie value
	return unescape(dc.substring(begin + prefix.length, end));
}


// Delete a named cookie value
function deleteCookie(name, path, domain) {
	var value = getCookie(name);
	if (value != null) document.cookie = name + '=' + ((path) ? '; path=' + path : '') + ((domain) ? '; domain=' + domain : '') + '; expires=Thu, 01-Jan-70 00:00:01 GMT';
	return value;
}