/* ÄíÅ° º¸±â */

	function getCookieVal (offset)
	{
		var endstr = document.cookie.indexOf (";", offset);

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

		return unescape(document.cookie.substring(offset, endstr));
	}

	function GetCookie (name)
	{
		var arg = name + "=";
		var alen = arg.length;
		var clen = document.cookie.length;
		var i = 0;

		while (i < clen)
		{
			var j = i + alen;

			if (document.cookie.substring(i, j) == arg)
				return getCookieVal (j);

			i = document.cookie.indexOf(" ", i) + 1;

			if (i == 0) 
				break; 
		}

		return null;
	}


/* ÄíÅ° ±Á±â */

	function SetCookie (name, value)
	{
		var argv = SetCookie.arguments;
		var argc = SetCookie.arguments.length;
		var expires = (2 < argc) ? argv[2] : null;
		var path = (3 < argc) ? argv[3] : null;
		var domain = (4 < argc) ? argv[4] : null;
		var secure = (5 < argc) ? argv[5] : false;

		document.cookie = name + "=" + escape (value) +
		((expires == null) ? "" : ("; expires=" + expires.toGMTString())) +
		((path == null) ? "" : ("; path=" + path)) +
		((domain == null) ? "" : ("; domain=" + domain)) +
		((secure == true) ? "; secure" : "");
	}