Detect if the browser supports cookies
function Checkcookie () {
To determine whether a cookie is turned on
var cookieenabled= (navigator.cookieenabled)? True:false;
If the browser is not ie4+ or ns6+
if (typeof navigator.cookieenabled== "undefined" &&!cookieenabled) {
Document.cookie= "TestCookie";
Cookieenabled= (document.cookie== "TestCookie")? True:falsedocument.cookie= "";
}
If it's not turned on
if (cookieenabled) {
return true;
}else{
return false;
}
}
Add cookies
function Addcookie (name,value,expirehours) {
var cookiestring=name+ "=" +escape (value);
Determine whether to set an expiration time
if (expirehours>0) {
var date=new date ();
Date.settime (date.gettime+expirehours*3600*1000);
Cookiestring=cookiestring+ "; Expire= "+date.togmtstring ();
}
document.cookie=cookiestring;
}
Get Cookie Value
function GetCookie (name) {
var Strcookie=document.cookie;
var arrcookie=strcookie.split (";");
for (Var i=0;i<arrcookie.length;i++) {
var arr=arrcookie[i].split ("=");
if (arr[0]==name) {
Return unescape (arr[1]);
}
}
return false;
}
Delete Cookies
function Deletecookie (name) {
var date=new date ();
Date.settime (Date.gettime ()-10000);
Document.cookie=name+ "=; Expire= "+date.togmtstring ();
}
