JavaScript Cookie Class (delete cookie, get, set cookie value

Function Issetcookie () {//web page effects Check cookie functions
    bannercenter = Web effects getcookie (' Bannercenter ');
    if (bannercenter!=null && bannercenter!= "") {
         return true;
   } else {
        setcookie (' Bannercenter ', 1,3600*24);
   }
}

//===============================================
function Jsgetcookie (name) {//Get the original value of the cookie
var Cookstringarray = Window.document.cookie.split (";");
for (var i=0; i<cookstringarray.length;i++) {
var cookieinfo = cookstringarray[i].split ("=");
if (name = = Cookieinfo[0]) {
Return unescape (cookieinfo[1]);
}
}
return null;
}

function Setcookie (name, value) {//Set cookie value
var expdate = new Date ();
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;
if (expires!=null) Expdate.settime (Expdate.gettime () + (expires * 1000));
Document.cookie = name + "=" + Escape (value) + ((expires = null)? "" : ("; Expires= "+ expdate.togmtstring ()))
+ ((path = null)? "" : ("; Path= "+ path") + ((domain = null)? "" : ("; domain= "+ domain)"
+ (Secure = = True)? "; Secure ":" ");
}
//=============================================
function Delcookie (name) {//delete cookie
var exp = new Date ();
Exp.settime (Exp.gettime ()-1);
var cval = GetCookie (name);
Document.cookie = name + "=" + Cval + "; Expires= "+ exp.togmtstring ();

}