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// IE function.bind polyfill
if (!Function.prototype.bind) {
	Function.prototype.bind = function (oThis) {
		if (typeof this !== 'function') {
			// closest thing possible to the ECMAScript 5 internal IsCallable function
			throw new TypeError('Function.prototype.bind - what is trying to be bound is not callable');
		}

		var aArgs = Array.prototype.slice.call(arguments, 1),
			fToBind = this,
			fNOP = function () {},
			fBound = function () {
				return fToBind.apply(this instanceof fNOP && oThis ? this : oThis,
			aArgs.concat(Array.prototype.slice.call(arguments)));
		};

		fNOP.prototype = this.prototype;
		fBound.prototype = new fNOP();

		return fBound;
	};
}