关于document.cookie的一个问题

[hero_winner]

document.cookie = (expires == null) ? "" : (";   expires=" + expdate.toGMTString());
		alert((expires == null) ? "" : (";   expires=" + expdate.toGMTString()));
		alert(document.cookie);

奇怪的是第一个alert能显示正确的数据：; expires=sun, 23 Jul等。
但是第二个alert中的cookie就是不显示以上数据，请问这是怎么回事？

[funfun5433]

<script language="javascript" type="text/javascript">
var str="name=fun";

var expires =new Date();

var time=(expires == null) ? "" : (";expires=" + 22);

str+=time;

document.cookie=str;
alert(GetCookie(name));

function GetCookie(name)
{
var result = null;
var myCookie = document.cookie + ";";
var searchName = name + "=";
var startOfCookie = myCookie.indexOf(searchName);
var endOfCookie;
if (startOfCookie != -1)
{
startOfCookie += searchName.length;
endOfCookie = myCookie.indexOf(";",startOfCookie);
result = unescape(myCookie.substring(startOfCookie, endOfCookie));
}
return result;
} 



</script>

document.cookie添加cookie 获取的时候要自己去解析

[zcy9979420]

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