function setCookie(name, value, days){
	var today = new Date();
	expires = new Date(today.getTime() + days*24*60*60*1000);
	document.cookie = name + "=" + escape(value) +"; expires=" + expires.toGMTString() + "; path=/";
}

function getCookie(name) {
	var cookie = " " + document.cookie;
	var search = " " + name + "=";
	var setStr = null;
	var offset = 0;
	var end = 0;
	if (cookie.length > 0) {
		offset = cookie.indexOf(search);
		if (offset != -1) {
			offset += search.length;
			end = cookie.indexOf(";", offset)
			if (end == -1) {
				end = cookie.length;
			}
			setStr = unescape(cookie.substring(offset, end));
		}
	}
	return(setStr);
}

function coock() {
	setCookie('wn', '1', 365);
	document.getElementById('warning').style.display='none'
}