/*
 * Standard library for getting and setting cookies.
 * Based off PPK's script: http://www.quirksmode.org/js/cookies.html
 **/
gcap.cookie = {
    createCookie : function(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=/";
    },
    readCookie : function(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;
    },
    eraseCookie : function(name) {
        createCookie(name, "" ,-1);
    }
};