电脑技术学习

进入页面时弹出收藏夹窗口,一旦加入后下次就不会弹出来

dn001

<!-- 把下面代码放到<body>区域中: -->
<SCRIPT LANGUAGE="JavaScript">
<!-- Begin
var expDays = 7;

url = "http://www.knowsky.com/";
title = "网页教学网";

// Cookie code from The JavaScript Source
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" : "");
}
function DeleteCookie (name) {;
var exp = new Date()
exp.setTime (exp.getTime() - 1)
var cval = GetCookie (name)
document.cookie = name + "=" + cval + "; expires=" + exp.toGMTString();
}
var exp = new Date();
exp.setTime(exp.getTime() + (expDays*24*60*60*1000));
function amt(){
var count = GetCookie('count')
if(count == null) {
SetCookie('count','1')
return 1
}
else {
var newcount = parseInt(count) + 1;
DeleteCookie('count')
SetCookie('count',newcount,exp)
return count
}
}
function getCookieVal(offset) {
var endstr = document.cookie.indexOf (";", offset);
if (endstr == -1)
endstr = document.cookie.length;
return unescape(document.cookie.substring(offset, endstr));
}

function checkCount() {
var count = GetCookie('count');
if (count == null) {
count=1;
SetCookie('count', count, exp);

if ((navigator.appName == "Microsoft Internet Explorer") && (parseInt(navigator.appVersion) >= 4)) {
window.external.AddFavorite (url,title);
}
else {
var msg = "Don't forget to bookmark us!";
if(navigator.appName == "Netscape") msg += "; (CTRL-D)";
alert(msg);
}
}
else {
count++;
SetCookie('count', count, exp);
}
}
checkCount();
//; End -->
</script>