var cookiesManager =
{
    GetCookie : function(name)
    {
        var getCookieVal = function(offset)
        {
            var endstr = document.cookie.indexOf(";", offset);
            if (endstr == -1)
                endstr = document.cookie.length;
            return unescape(document.cookie.substring(offset, endstr));
        };
        var arg = name + "=";
        var alen = arg.length;
        var clen = document.cookie.length;
        var i = 0;
        while (i < clen)
        {
            var j = i + alen;
            if (document.cookie.substring(i, j) == arg)
                return getCookieVal(j);
            i = document.cookie.indexOf(" ", i) + 1;
            if (i == 0) break;
        }
        return null;
    },
    SetCookie : function(name, value)
    {
        var argv = cookiesManager.SetCookie.arguments;
        var argc = cookiesManager.SetCookie.arguments.length;
        var expires = (argc > 2) ? argv[2] : null;
        var path = (argc > 3) ? argv[3] : null;
        var domain = (argc > 4) ? argv[4] : null;
        var secure = (argc > 5) ? argv[5] : false;
        document.cookie = name + "=" + escape(value) +
                          ((expires == null) ? "" : ("; expires=" + expires.toGMTString())) +
                          ((path == null) ? "" : ("; path=" + path)) +
                          ((domain == null) ? "" : ("; domain=" + domain)) +
                          ((secure == true) ? "; secure" : "");
    },

    DeleteCookie: function(name)
    {
        var exp = new Date();
        exp.setTime(exp.getTime() - 1);
        var cval = cookiesManager.GetCookie(name);
        document.cookie = name + "=" + cval + "; expires=" + exp.toGMTString();
    }
};