function Set_Cookie(name, value, expires, path, domain, secure) {
	var today=new Date();
	today.setTime(today.getTime());

	if (expires) {
		expires=expires*1000*60*60*24;
	}
	var expires_date = new Date(today.getTime()+(expires));

	document.cookie = name + "=" +escape(value) 
	+((expires) ? ";expires=" + expires_date.toGMTString() : "") 
	+((path) ? ";path=" + path : "") 
	+((domain) ? ";domain=" + domain : "") 
	+((secure) ? ";secure" : "");
}
function Get_Cookie( name ) {
	var start = document.cookie.indexOf( name + "=" );
	var len = start + name.length + 1;
	if ((!start) && (name != document.cookie.substring( 0, name.length))) {
		return null;
	}
	if (start == -1) return null;
	var end = document.cookie.indexOf( ";", len);
	if (end == -1) end=document.cookie.length;
	return unescape(document.cookie.substring( len, end));
}
function Delete_Cookie(name, path, domain) {
	if (Get_Cookie(name)) document.cookie = name + "=" 
	+((path) ? ";path=" + path : "") 
	+((domain) ? ";domain=" + domain : "" ) 
	+";expires=Thu, 01-Jan-1970 00:00:01 GMT";
}
function cookiesEnabled() {
	var cookie_set = false;
	Set_Cookie( 'test', 'none', '', '/', '', '' );
	if (Get_Cookie( 'test' )) {
		cookie_set = true;
		Delete_Cookie('test', '/', '');
	}
	return cookie_set;
}
function closeNlPopup() {
	var nlPopup = document.getElementById("nl_popup");
	nlPopup.style.visibility = 'hidden';
}	
function showNlPopup() {
	if (cookiesEnabled() && Get_Cookie("nlPopup") != "1") {
		Set_Cookie("nlPopup", "1", 30);
		var nlPopup = document.getElementById("nl_popup");
		nlPopup.style.visibility = 'visible';
	}
}