// create the core BSD namespace object that all our other JS will live inside
window.BSD = window.BSD || {};


// borrowed from YUI
/**
 * Returns the namespace specified and creates it if it doesn't exist
 *
 * BSD.namespace("property.package");
 * BSD.namespace("BSD.property.package");
 *
 * Either of the above would create BSD.property, then
 * BSD.property.package
 *
 * Be careful when naming packages. Reserved words may work in some browsers
 * and not others. For instance, the following will fail in Safari:
 *
 * BSD.namespace("really.long.nested.namespace");
 *
 * This fails because "long" is a future reserved word in ECMAScript
 *
 * @param  {String} ns The name of the namespace
 * @return {Object}    A reference to the namespace object
 */
BSD.namespace = function(ns) {

    if (!ns || !ns.length) {
        return null;
    }

    var levels = ns.split(".");
    var nsobj = BSD;

    // BSD is implied, so it is ignored if it is included
    for (var i=(levels[0] == "BSD") ? 1 : 0; i<levels.length; ++i) {
        nsobj[levels[i]] = nsobj[levels[i]] || {};
        nsobj = nsobj[levels[i]];
    }

    return nsobj;
};

/// CONVENIENCE functions

/// borrowed from prototype
function $() {
  var elements = new Array();

  for (var i = 0; i < arguments.length; i++) {
    var element = arguments[i];
    if (typeof element == 'string')
      element = document.getElementById(element);

    if (arguments.length == 1)
      return element;

    elements.push(element);
  }

  return elements;
}

Function.prototype.bind = function(object) {
  var __method = this;
  return function() {
    return __method.apply(object, arguments);
  }
}


/// borrowed from ExtJS
BSD.JSON = new (function(){
    var useHasOwn = {}.hasOwnProperty ? true : false;

    var pad = function(n) {
        return n < 10 ? "0" + n : n;
    };

    var m = {
        "\b": '\\b',
        "\t": '\\t',
        "\n": '\\n',
        "\f": '\\f',
        "\r": '\\r',
        '"' : '\\"',
        "\\": '\\\\'
    };

    var encodeString = function(s){
        if (/["\\\x00-\x1f]/.test(s)) {
            return '"' + s.replace(/([\x00-\x1f\\"])/g, function(a, b) {
                var c = m[b];
                if(c){
                    return c;
                }
                c = b.charCodeAt();
                return "\\u00" +
                    Math.floor(c / 16).toString(16) +
                    (c % 16).toString(16);
            }) + '"';
        }
        return '"' + s + '"';
    };

    var encodeArray = function(o){
        var a = ["["], b, i, l = o.length, v;
            for (i = 0; i < l; i += 1) {
                v = o[i];
                switch (typeof v) {
                    case "undefined":
                    case "function":
                    case "unknown":
                        break;
                    default:
                        if (b) {
                            a.push(',');
                        }
                        a.push(v === null ? "null" : BSD.JSON.encode(v));
                        b = true;
                }
            }
            a.push("]");
            return a.join("");
    };

    var encodeDate = function(o){
        return '"' + o.getFullYear() + "-" +
                pad(o.getMonth() + 1) + "-" +
                pad(o.getDate()) + "T" +
                pad(o.getHours()) + ":" +
                pad(o.getMinutes()) + ":" +
                pad(o.getSeconds()) + '"';
    };


    this.encode = function(o){
        if(typeof o == "undefined" || o === null){
            return "null";
        }else if(o instanceof Array){
            return encodeArray(o);
        }else if(o instanceof Date){
            return encodeDate(o);
        }else if(typeof o == "string"){
            return encodeString(o);
        }else if(typeof o == "number"){
            return isFinite(o) ? String(o) : "null";
        }else if(typeof o == "boolean"){
            return String(o);
        }else {
            var a = ["{"], b, i, v;
            for (i in o) {
                if(!useHasOwn || o.hasOwnProperty(i)) {
                    v = o[i];
                    switch (typeof v) {
                    case "undefined":
                    case "function":
                    case "unknown":
                        break;
                    default:
                        if(b){
                            a.push(',');
                        }
                        a.push(this.encode(i), ":",
                                v === null ? "null" : this.encode(v));
                        b = true;
                    }
                }
            }
            a.push("}");
            return a.join("");
        }
    };


    this.decode = function(json){
        if (json) {
            return eval("(" + json + ')');
        } else {
            return {};
        }
    };
})();

// Stub out window.console so that firebug statements left in the code don't cause errors or show to the end user
if (!window.console)
{
    var names = ["log", "debug", "info", "warn", "error", "assert", "dir", "dirxml",
    "group", "groupEnd", "time", "timeEnd", "count", "trace", "profile", "profileEnd"];

    window.console = {};
    for (var i = 0; i < names.length; ++i)
        window.console[names[i]] = function() {}
}