// utility functions

function convertEntities(o) {

	var c, v;

	c = function(s) {

		if (/&[^;]+;/.test(s)) {

			var e = document.createElement("div");

			e.innerHTML = s;

			return !e.firstChild ? s : e.firstChild.nodeValue;

		}

		return s;

	}

	if ( typeof o === 'string' ) {

		return c(o);

	} else if ( typeof o === 'object' ) {

		for (v in o) {

			if ( typeof o[v] === 'string' ) {

				o[v] = c(o[v]);

			}

		}

	}

	return o;

}

var wpCookies = {

// The following functions are from Cookie.js class in TinyMCE, Moxiecode, used under LGPL.

	each : function(o, cb, s) {

		var n, l;

		if (!o)

			return 0;

		s = s || o;

		if (typeof(o.length) != 'undefined') {

			for (n=0, l = o.length; n<l; n++) {

				if (cb.call(s, o[n], n, o) === false)

					return 0;

			}

		} else {

			for (n in o) {

				if (o.hasOwnProperty(n)) {

					if (cb.call(s, o[n], n, o) === false) {

						return 0;

					}

				}

			}

		}

		return 1;

	},

	getHash : function(n) {

		var v = this.get(n), h;

		if (v) {

			this.each(v.split('&'), function(v) {

				v = v.split('=');

				h = h || {};

				h[v[0]] = v[1];

			});

		}

		return h;

	},

	setHash : function(n, v, e, p, d, s) {

		var o = '';

		this.each(v, function(v, k) {

			o += (!o ? '' : '&') + k + '=' + v;

		});

		this.set(n, o, e, p, d, s);

	},

	get : function(n) {

		var c = document.cookie, e, p = n + "=", b;

		if (!c)

			return;

		b = c.indexOf("; " + p);

		if (b == -1) {

			b = c.indexOf(p);

			if (b != 0)

				return null;

		} else {

			b += 2;

		}

		e = c.indexOf(";", b);

		if (e == -1)

			e = c.length;

		return decodeURIComponent(c.substring(b + p.length, e));

	},

	set : function(n, v, e, p, d, s) {

		document.cookie = n + "=" + encodeURIComponent(v) +

			((e) ? "; expires=" + e.toGMTString() : "") +

			((p) ? "; path=" + p : "") +

			((d) ? "; domain=" + d : "") +

			((s) ? "; secure" : "");

	},

	remove : function(n, p) {

		var d = new Date();

		d.setTime(d.getTime() - 1000);

		this.set(n, '', d, p, d);

	}

};

// Returns the value as string. Second arg or empty string is returned when value is not set.

function getUserSetting( name, def ) {

	var o = getAllUserSettings();

	if ( o.hasOwnProperty(name) )

		return o[name];

	if ( typeof def != 'undefined' )

		return def;

	return '';

}

// Both name and value must be only ASCII letters, numbers or underscore

// and the shorter, the better (cookies can store maximum 4KB). Not suitable to store text.

function setUserSetting( name, value, del ) {

	if ( 'object' !== typeof userSettings )

		return false;

	var c = 'wp-settings-' + userSettings.uid, o = wpCookies.getHash(c) || {}, d = new Date(), p,

	n = name.toString().replace(/[^A-Za-z0-9_]/, ''), v = value.toString().replace(/[^A-Za-z0-9_]/, '');

	if ( del ) {

		delete o[n];

	} else {

		o[n] = v;

	}

	d.setTime( d.getTime() + 31536000000 );

	p = userSettings.url;

	wpCookies.setHash(c, o, d, p);

	wpCookies.set('wp-settings-time-'+userSettings.uid, userSettings.time, d, p);

	return name;

}

function deleteUserSetting( name ) {

	return setUserSetting( name, '', 1 );

}

// Returns all settings as js object.

function getAllUserSettings() {

	if ( 'object' !== typeof userSettings )

		return {};

	return wpCookies.getHash('wp-settings-' + userSettings.uid) || {};

}