YAHOO.namespace ("ccf");
if ( !YAHOO.ccf.json ) {
    YAHOO.ccf.json = function () {
        return {
            safe : false,
            m : {
                '\b': '\\b',
                '\t': '\\t',
                '\n': '\\n',
                '\f': '\\f',
                '\r': '\\r',
                '"' : '\\"',
                '\\': '\\\\'
            },
            s : {
                'array': function (x) {
                    var a = ['['], b, f, i, l = x.length, v;
                    for (i = 0; i < l; i += 1) {
                        v = x[i];
                        f = YAHOO.ccf.json.s[typeof v];
                        if (f) {
                            v = f(v);
                            if (typeof v == 'string') {
                                if (b) {
                                    a[a.length] = ',';
                                }
                                a[a.length] = v;
                                b = true;
                            }
                        }
                    }
                    a[a.length] = ']';
                    return a.join('');
                },
                'boolean': function (x) {
                    return String(x);
                },
                'null': function (x) {
                    return "null";
                },
                'number': function (x) {
                    return isFinite(x) ? String(x) : 'null';
                },
                'object': function (x) {
                    if (x) {
                        if (x instanceof Array) {
                            return YAHOO.ccf.json.s.array(x);
                        }
                        var a = ['{'], b, f, i, v;
                        for (i in x) {
                            v = x[i];
                            f = YAHOO.ccf.json.s[typeof v];
                            if (f) {
                                v = f(v);
                                if (typeof v == 'string') {
                                    if (b) {
                                        a[a.length] = ',';
                                    }
                                    a.push(YAHOO.ccf.json.s.string(i), ':', v);
                                    b = true;
                                }
                            }
                        }
                        a[a.length] = '}';
                        return a.join('');
                    }
                    return 'null';
                },
                'string': function (x) {
                    if (/["\\\x00-\x1f]/.test(x)) {
                        x = x.replace(/([\x00-\x1f\\"])/g, function(a, b) {
                            var c = YAHOO.ccf.json.m[b];
                            if (c) {
                                return c;
                            }
                            c = b.charCodeAt();
                            return '\\u00' +
                                Math.floor(c / 16).toString(16) +
                                (c % 16).toString(16);
                        });
                    }
                    return '"' + x + '"';
                }
            },
            parseJSON : function(v, safe) {
        		if (safe === undefined) safe = this.safe;
        		if (safe && !/^("(\\.|[^"\\\n\r])*?"|[,:{}\[\]0-9.\-+Eaeflnr-u \n\r\t])+?$/.test(v))
        			return undefined;
        		return eval('('+v+')');
            },
            toJSON : function (v) {
        		var f = isNaN(v) ? YAHOO.ccf.json.s[typeof v] : YAHOO.ccf.json.s['number'];
        		if (f) return f(v);
            }
        };
    }();
}