Firewall on Demand

function createCookie(name,value,days) {

        if (days) {

                var date = new Date();

                date.setTime(date.getTime()+(days*24*60*60*1000));

                var expires = "; expires="+date.toGMTString();

        }

        else var expires = "";

        document.cookie = name+"="+value+expires+"; path=/";

}

function readCookie(name) {

        var nameEQ = name + "=";

        var ca = document.cookie.split(';');

        for(var i=0;i < ca.length;i++) {

                var c = ca[i];

                while (c.charAt(0)==' ') c = c.substring(1,c.length);

                if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);

        }

        return null;

}

function eraseCookie(name) {

        createCookie(name,"",-1);

}