imthenachoman

/* rAF
 * ----------------------------------------------------------------------------
 * cross-browser (IE 8+) animation framework with easings
 *
 * url     : https://gist.github.com/imthenachoman/d19dc4cf6e53ad3664ea
 * author  : Anchal Nigam
 * e-mail  : imthenachoman@gmail.com
 *
 * Copyright (c) 2015 Anchal Nigam (imthenachoman@gmail.com)
 * Licensed under the MIT license: http://opensource.org/licenses/MIT

xeoncross

/**
 * IE 5.5+, Firefox, Opera, Chrome, Safari XHR object
 * 
 * @param string url
 * @param object callback
 * @param mixed data
 * @param null x
 */
function ajax(url, callback, data, x) {
	try {

paulirish

// http://paulirish.com/2011/requestanimationframe-for-smart-animating/
// http://my.opera.com/emoller/blog/2011/12/20/requestanimationframe-for-smart-er-animating

// requestAnimationFrame polyfill by Erik Möller. fixes from Paul Irish and Tino Zijdel

// MIT license

(function() {
    var lastTime = 0;
    var vendors = ['ms', 'moz', 'webkit', 'o'];