jsCookies.js

// found on http://snipplr.com/view/36790/jscookies--my-simple-easy-pure-js-javascript-cookies-function/

// Modified with Regexes by Cole Lawrence (ZombieHippie)

// create my jsCookies function
var jsCookies = {

    // this gets a cookie and returns the cookies value, if no cookies it returns blank ""
    get: function(c_name) {
        var regex = new RegExp(c_name + "=([^;]+)");
        var match = regex.exec(document.cookie);
        return match != null ? unescape(match[1]) : null;
    },

    // this sets a cookie with your given ("cookie name", "cookie value", "good for x days")
    set: function(c_name, value, expiredays) {
        expiredays = expiredays || 365;
        var exdate = new Date();
        exdate.setDate(exdate.getDate() + expiredays);
        document.cookie = c_name + "=" + escape(value) + ((expiredays == null) ? "" : "; expires=" + exdate.toUTCString());
    },

    // this checks to see if a cookie exists, then returns true or false
    check: function(c_name) {
        return !!jsCookies.get(c_name)
    }

};
// end my jsCookies function

// USAGE - get    ::   jsCookies.get("cookie_name_here");  [returns the value of the cookie]
// USAGE - set    ::   jsCookies.set("cookie_name", "cookie_value", 5 );  [give name, val and # of days til expiration]
// USAGE - check  ::   jsCookies.check("cookie_name_here");  [returns only true or false if the cookie exists or not]