// name = string equal to the name of the instance of the object // defaultExpiration = number of units to make the default expiration date for the cookie // expirationUnits = 'seconds' | 'minutes' | 'hours' | 'days' | 'months' | 'years' (default is 'days') // defaultDomain = string, default domain for cookies; default is current domain minus the server name // defaultPath = string, default path for cookies; default is '/' function Cookiemanager(name,defaultExpiration,expirationUnits,defaultDomain,defaultPath) { // remember our name this.name = name; // get the default expiration this.defaultExpiration = this.getExpiration(defaultExpiration,expirationUnits); // set the default domain to defaultDomain if supplied; if not, set it to document.domain // if document.domain is numeric, otherwise strip off the server name and use the remainder this.defaultDomain = (defaultDomain)?defaultDomain:(document.domain.search(/[a-zA-Z]/) == -1)?document.domain:document.domain.substring(document.domain.indexOf('.') + 1,document.domain.length); // set the default path this.defaultPath = (defaultPath)?defaultPath:'/'; // initialize an object to hold all the document's cookies this.cookies = new Object(); // initialize an object to hold expiration dates for the doucment's cookies this.expiration = new Object(); // initialize an object to hold domains for the doucment's cookies this.domain = new Object(); // initialize an object to hold paths for the doucment's cookies this.path = new Object(); // set an onlunload function to write the cookies window.onunload = new Function (this.name+'.setDocumentCookies();'); // get the document's cookies this.getDocumentCookies(); } // gets an expiration date for a cookie as a GMT string // expiration = integer expressing time in units (default is 7 days) // units = 'miliseconds' | 'seconds' | 'minutes' | 'hours' | 'days' | 'months' | 'years' (default is 'days') Cookiemanager.prototype.getExpiration = function(expiration,units) { // set default expiration time if it wasn't supplied expiration = (expiration)?expiration:7; // supply default units if units weren't supplied units = (units)?units:'days'; // new date object we'll use to get the expiration time var date = new Date(); // set expiration time according to units supplied 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 expiration as GMT string return date.toGMTString(); } // gets all document cookies and populates the .cookies property with them Cookiemanager.prototype.getDocumentCookies = function() { var cookie,pair; // read the document's cookies into an array var cookies = document.cookie.split(';'); // walk through each array element and extract the name and value into the cookies property var len = cookies.length; for(var i=0;i < len;i++) { cookie = cookies[i]; // strip leading whitespace while (cookie.charAt(0)==' ') cookie = cookie.substring(1,cookie.length); // split name/value pair into an array pair = cookie.split('='); // use the cookie name as the property name and value as the value // don't touch any cookies except the one for the fontsizer!! if (pair[0] == 'efaSize') { this.cookies[pair[0]] = pair[1]; } } } // sets all document cookies Cookiemanager.prototype.setDocumentCookies = function() { var expires = ''; var cookies = ''; var domain = ''; var path = ''; for(var name in this.cookies) { // see if there's a custom expiration for this cookie; if not use default expires = (this.expiration[name])?this.expiration[name]:this.defaultExpiration; // see if there's a custom path for this cookie; if not use default path = (this.path[name])?this.path[name]:this.defaultPath; // see if there's a custom domain for this cookie; if not use default domain = (this.domain[name])?this.domain[name]:this.defaultDomain; // add to cookie string cookies = name + '=' + this.cookies[name] + '; expires=' + expires + '; path=' + path + '; domain=' + domain; document.cookie = cookies; } return true; } // gets cookie value // cookieName = string, cookie name Cookiemanager.prototype.getCookie = function(cookieName) { var cookie = this.cookies[cookieName] return (cookie)?cookie:false; } // stores cookie value, expiration, domain and path // cookieName = string, cookie name // cookieValue = string, cookie value // expiration = number of units in which the cookie should expire // expirationUnits = 'miliseconds' | 'seconds' | 'minutes' | 'hours' | 'days' | 'months' | 'years' (default is 'days') // domain = string, domain for cookie // path = string, path for cookie Cookiemanager.prototype.setCookie = function(cookieName,cookieValue,expiration,expirationUnits,domain,path) { this.cookies[cookieName] = cookieValue; // set the expiration if it was supplied if (expiration) this.expiration[cookieName] = this.getExpiration(expiration,expirationUnits); // set path if it was supplied if (domain) this.domain[cookieName] = domain; if (path) this.path[cookieName] = path; return true; } var cookieManager = new Cookiemanager('cookieManager',1,'days');