记住来访网友名字的特效
2010-09-14 13:08:20 来源：WEB开发网<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>记住来访网友名字.</title>
<script language="javascript">
<!--
var username = GetCookie('username');
if (username == null) {
username = prompt('第一次光临我的主页的朋友，请输入您的名字',"");
if (username == null) {
alert('Its ok if you dont want to tell me your name');
username = 'WebSurfer';
} else {
// don't set the username cookie.... because the user refused to tell you.
// they will be prompted next time....
pathname = location.pathname;
myDomain = pathname.substring(0,pathname.lastIndexOf('/')) +'/';
// set expiry date to 1 year from now.
var largeExpDate = new Date ();
largeExpDate.setTime(largeExpDate.getTime() + (365 * 24 * 3600 * 1000));
SetCookie('username',username,largeExpDate,myDomain);
}
}
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;
}
function SetCookie (name, value) {
var argv = SetCookie.arguments;
var argc = SetCookie.arguments.length;
var expires = (argc > 2) ? argv[2] : null;
var path = (argc > 3) ? argv[3] : null;
var domain = (argc > 4) ? argv[4] : null;
var secure = (argc > 5) ? argv[5] : false;
document.cookie = name + "=" + escape (value) +
((expires == null) ? "" : ("; expires=" +
expires.toGMTString())) +
((path == null) ? "" : ("; path=" + path)) +
((domain == null) ? "" : ("; domain=" + domain)) +
((secure == true) ? "; secure" : "");
}
document.write('<p>谢谢您光临我的网页, '+username);
//--></script>
</head>
<body>
<p></p>
<p></p>
</body>
</html>
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