//写Cookie

function writeCookie(name, value)

{

	var expire = new Date();

	expire.setFullYear(expire.getFullYear() + 20);

	expire = '; expires=' + expire.toGMTString();

	document.cookie = name + '=' + escape(value) + expire;

}

// 读取Cookie

function readCookie(name)

{

	var cookieValue = '';

	var search = name + '=';

	if (document.cookie.length > 0)

	{

		var offset = document.cookie.indexOf(search)

		if (offset != -1)

		{

			offset += search.length;

			var end = document.cookie.indexOf(';', offset);

			if (end == -1) end = document.cookie.length;

			cookieValue = unescape(document.cookie.substring(offset, end));

		}

	}

	return cookieValue;

}

// 读取Cookie

function readCookieCn(name)

{

	var cookieValue = '';

	var search = name + '=';

	if (document.cookie.length > 0)

	{

		var offset = document.cookie.indexOf(search)

		if (offset != -1)

		{

			offset += search.length;

			var end = document.cookie.indexOf(';', offset);

			if (end == -1) end = document.cookie.length;

			cookieValue = decodeURI(document.cookie.substring(offset, end));

		}

	}

	return cookieValue;

}