ElliotChong

(function ()
{
	if (!Function.prototype.inherit)
	{
		Function.prototype.inherit = function (p_parent)
		{
			if (p_parent.constructor == Function)
			{
				// Normal Inheritance
				this.prototype = new p_parent();

weisjohn

// feature detection
	isTouch = "ontouchstart" in window;
	InputHandler = {
		
		startEventType : isTouch ? "touchstart" : "mousedown",
		moveEventType  : isTouch ? "touchmove" : "mousemove",
		endEventType   : isTouch ? "touchend" : "mouseup",
		isTouchDevice  : isTouch,
		
		// normalize an event object generated by a select 

weisjohn

// a simple utility function for pretty printing
function pad(number, length) {
    var str = '' + number;
    while (str.length < length) {
        str = '0' + str;
    }
    return str;
}

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'];