furf

/**
 * jQuery hoverClass plugin
 */
$.fn.hoverClass = function(className) {
  return this.each(function() {
    var $this = $(this);
    $this.hover(function() {
      $this.addClass(className);
    }, function() {
      $this.removeClass(className);

furf

/* Useful date functions if you're building a calendar */

var getStartOfCurrentDay = function(date) {
  return new Date(date.getFullYear(), date.getMonth(), date.getDate());
};

var getStartOfNextDay = function(date) {
  return new Date(date.getFullYear(), date.getMonth(), date.getDate() + 1);
};

furf

/* parseQueryParameters & parseFragmentIdentifiers */

var setValue = function(obj, prop, val) {
  if (!(prop in obj)) {
    obj[prop] = val;
  } else {
    if (!(obj[prop] instanceof Array)) {
      obj[prop] = [obj[prop]];
    }
    obj[prop].push(val);

furf

var stress = function(fn, iterations) {

  iterations = iterations || 1;
  var result;
  var start = new Date();

  for (var i = 0; i < iterations; ++i) {
    result = fn();
  };

furf

var _parseHTMLFromDOMElement = function(el) {
  if (el.outerHTML) {
    return el.outerHTML;
  } else {
    var sandbox = document.createElement('DIV');
    sandbox.appendChild(el.cloneNode(true));
    return sandbox.innerHTML;
  }
};

furf

/**
 * $.fn.unwrap
 * Unwraps an element (replaces an elements parent with the element)
 *
 * NO LONGER NECESSARY AS OF jQuery 1.4
 * 
 * Example:
 * $('#foo').unwrap();
 * Will replace:
 * <div><span id="foo">bar</span></div>

furf

/**
 * @class PeriodicalExecuter
 * @param {Function} callback
 * @param {Number} interval
 * @param {Boolean} defer
 * @constructs
 */
var PeriodicalExecuter = function(callback, interval, defer) {

  this.callback = callback;

furf

var bind = function(fn, obj /*, defaults */) {

  var scope = obj || window, defaults;
  fn = (typeof fn === 'string') ? scope[fn] : fn;

  // If no defaults are supplied, return the lightweight callback
  if (arguments.length < 3) {

    return function() {
      fn.apply(scope, arguments);

furf

/**
 * isDST
 * Returns true if the supplied date (default Today) is DST
 */
var isDST = function(date) {
  date = date ? new Date(date) : new Date();    
  var winter = new Date(date.getFullYear(), 0, 1);
  return (date.getTimezoneOffset() !== winter.getTimezoneOffset());
};

furf

// Abstract methods and interfaces

/**
 * AbstractMethod factory class
 *
 * @method AbstractMethod
 * @param  {string} methodName  Name of the method
 * @return {type} Return value description
 */
var AbstractMethod = function(methodName) {