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function createCookie(name,value,days) {
	if (days) {
		var date = new Date();
		date.setTime(date.getTime()+(days*24*60*60*1000));
		var expires = "; expires="+date.toGMTString();
	}
	else var expires = "";
	document.cookie = name+"="+value+expires+"; path=/";
}

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js> isNaN(null);
false
js> null > -1;
true
js> null < 1;
true
js> null > 0;
false
js> null < 0;
false

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// makeClass - By John Resig (MIT Licensed)
function makeClass(){
  return function(args){
    if ( this instanceof arguments.callee ) {
      if ( typeof this.init == "function" )
        this.init.apply( this, args.callee ? args : arguments );
    } else
      return new arguments.callee( arguments );
  };
}

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(function ($) {
    $.fn.floatingWidget = function () {
        return this.each(function () {
            var $this             = $(this),
                $parent           = $this.offsetParent(),
                $window           = $(window),
                top               = $this.offset().top - parseFloat($this.css('marginTop').replace(/auto/, 0)),
                bottom            = $parent.offset().top + $parent.height() - $this.outerHeight(true),
                floatingClass     = 'floating',
                pinnedBottomClass = 'pinned-bottom';

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(function() {
    var Central = window.Central = {};
    
    var centralService = function(target) {
        var listeners = {};

        target.listen = function(command, handler) {
            listeners[command] = listeners[command] || [];
            var i = 0;
            while (i < listeners[command].length && listeners[command][i] != handler) {

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/*
 * (c)2006 Jesse Skinner/Dean Edwards/Matthias Miller/John Resig
 * Special thanks to Dan Webb's domready.js Prototype extension
 * and Simon Willison's addLoadEvent
 *
 * For more info, see:
 * http://www.thefutureoftheweb.com/blog/adddomloadevent
 * http://dean.edwards.name/weblog/2006/06/again/
 * http://www.vivabit.com/bollocks/2006/06/21/a-dom-ready-extension-for-prototype
 * http://simon.incutio.com/archive/2004/05/26/addLoadEvent

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//http://ejohn.org/apps/learn/#36
function User(first, last){ 
  if ( !(this instanceof arguments.callee) ) 
    return new User(first, last); 
   
  this.name = first + " " + last; 
}

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  String.prototype.trim = function() {
  var str = this,
  whitespace = ' \n\r\t\f\x0b\xa0\u2000\u2001\u2002\u2003\u2004\u2005\u2006\u2007\u2008\u2009\u200a\u200b\u2028\u2029\u3000';
  for (var i = 0,len = str.length; i < len; i++) {
    if (whitespace.indexOf(str.charAt(i)) === -1) {
      str = str.substring(i);
      break;
    }
  }
  for (i = str.length - 1; i >= 0; i--) {

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// written by Dean Edwards, 2005
// with input from Tino Zijdel, Matthias Miller, Diego Perini
// http://dean.edwards.name/weblog/2005/10/add-event/

function addEvent(element, type, handler) {
    if (element.addEventListener) {
        element.addEventListener(type, handler, false);
    } else {
        // assign each event handler a unique ID
        if (!handler.$$guid) handler.$$guid = addEvent.guid++;

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Function.prototype.method = function(name, func) {
	this.prototype[name] = func;
	return this;
};