Proyectos de Subversion Moodle

/*******************************************************
COOKIE FUNCTIONALITY
Based on "Night of the Living Cookie" by Bill Dortch
(c) 2003, Ryan Parman
http://www.skyzyx.com
Distributed according to SkyGPL 2.1, http://www.skyzyx.com/license/
*******************************************************/
function cookie(name, value, expires, path, domain, secure)
{
        // Passed Values
        this.name=name;
        this.value=value;
        this.expires=expires;
        this.path=path;
        this.domain=domain;
        this.secure=secure;

        // Read cookie
        this.read=function()
        {
                // To allow for faster parsing
                var ck=document.cookie;

                var arg = this.name + "=";
                var alen = arg.length;
                var clen = ck.length;
                var i = 0;

                while (i < clen)
                {
                        var j = i + alen;
                        if (ck.substring(i, j) == arg)
                        {
                                var endstr = ck.indexOf (";", j);
                                if (endstr == -1) endstr = ck.length;
                                return unescape(ck.substring(j, endstr));
                        }
                        i = ck.indexOf(" ", i) + 1;
                        if (i == 0) break;
                }
                return null;
        };

        // Set cookie
        this.set=function()
        {
                // Store initial value of "this.expires" for re-initialization.
                expStore=this.expires;

                // Set time to absolute zero.
                exp = new Date();
                base = new Date(0);
                skew = base.getTime();
                if (skew > 0)  exp.setTime (exp.getTime() - skew);
                exp.setTime(exp.getTime() + (this.expires*24*60*60*1000));
                this.expires=exp;

                document.cookie = this.name + "=" + escape (this.value) +
                                ((this.expires) ? "; expires=" + this.expires.toGMTString() : "") +
                                ((this.path) ? "; path=" + this.path : "") +
                                ((this.domain) ? "; domain=" + this.domain : "") +
                                ((this.secure) ? "; secure" : "");

                // Re-initialize
                this.expires=expStore;
        };

        // Kill cookie
        this.kill=function()
        {
                document.cookie = this.name + "=" +
                                ((this.path) ? "; path=" + this.path : "") +
                                ((this.domain) ? "; domain=" + this.domain : "") +
                                "; expires=Thu, 01-Jan-70 00:00:01 GMT";
        };

        // Change cookie settings.
        this.changeName=function(chName) { this.kill(); this.name=chName; this.set(); };
        this.changeVal=function(chVal) { this.kill(); this.value=chVal; this.set(); };
        this.changeExp=function(chExp) { this.kill(); this.expires=chExp; this.set(); };
        this.changePath=function(chPath) { this.kill(); this.path=chPath; this.set(); };
        this.changeDomain=function(chDom) { this.kill(); this.domain=chDom; this.set(); };
        this.changeSecurity=function(chSec) { this.kill(); this.secure=chSec; this.set(); }
}