function Cookiemanager(name,defaultExpiration,expirationUnits,defaultDomain,defaultPath) {
        this.name = name;
        this.defaultExpiration = this.getExpiration(defaultExpiration,expirationUnits);
        this.defaultDomain = (defaultDomain)?defaultDomain:(document.domain.search(/[a-zA-Z]/) == -1)?document.domain:document.domain.substring(document.domain.indexOf('.') + 1,document.domain.length);
        this.defaultPath = (defaultPath)?defaultPath:'/';
        this.cookies = new Object();
        this.expiration = new Object();
        this.domain = new Object();
        this.path = new Object();
        window.onunload = new Function (this.name+'.setDocumentCookies();');
        this.getDocumentCookies();
        }
Cookiemanager.prototype.getExpiration = function(expiration,units) {
        expiration = (expiration)?expiration:7;
        units = (units)?units:'days';
        var date = new Date();
        switch(units) {
                case 'years':
                        date.setFullYear(date.getFullYear() + expiration);
                        break;
                case 'months':
                        date.setMonth(date.getMonth() + expiration);
                        break;
                case 'days':
                        date.setTime(date.getTime()+(expiration*24*60*60*1000));
                        break;
                case 'hours':
                        date.setTime(date.getTime()+(expiration*60*60*1000));
                        break;
                case 'minutes':
                        date.setTime(date.getTime()+(expiration*60*1000));
                        break;
                case 'seconds':
                        date.setTime(date.getTime()+(expiration*1000));
                        break;
                default:
                        date.setTime(date.getTime()+expiration);
                        break;
                }
        return date.toGMTString();
        }
Cookiemanager.prototype.getDocumentCookies = function() {
        var cookie,pair;
        var cookies = document.cookie.split(';');
        var len = cookies.length;
        for(var i=0;i < len;i++) {
                cookie = cookies[i];
                while (cookie.charAt(0)==' ') cookie = cookie.substring(1,cookie.length);
                pair = cookie.split('=');
                this.cookies[pair[0]] = pair[1];
                }
        }
Cookiemanager.prototype.setDocumentCookies = function() {
        var expires = '';
        var cookies = '';
        var domain = '';
        var path = '';
        for(var name in this.cookies) {
                expires = (this.expiration[name])?this.expiration[name]:this.defaultExpiration;
                path = (this.path[name])?this.path[name]:this.defaultPath;
                domain = (this.domain[name])?this.domain[name]:this.defaultDomain;
                cookies = name + '=' + this.cookies[name] + '; expires=' + expires + '; path=' + path + '; domain=' + domain;
                document.cookie = cookies;
                }
        return true;
        }
Cookiemanager.prototype.getCookie = function(cookieName) {
        var cookie = this.cookies[cookieName]
        return (cookie)?cookie:false;
        }
Cookiemanager.prototype.setCookie = function(cookieName,cookieValue,expiration,expirationUnits,domain,path) {
        this.cookies[cookieName] = cookieValue;
        if (expiration) this.expiration[cookieName] = this.getExpiration(expiration,expirationUnits);
        if (domain) this.domain[cookieName] = domain;
        if (path) this.path[cookieName] = path;
        return true;
        }
var cookieManager = new Cookiemanager('cookieManager',1,'years');