AddToOnloadEvent.js

if (window.addEventListener) { // DOM
	window.addEventListener('load', function () {
		FUNCTION();
	}, false);
} else if (window.attachEvent) { // IE
	window.attachEvent('onload', function () {
		FUNCTION();
	});
} else if (typeof window.onload === 'undefined') { // other
	window.onload = function () {
		FUNCTION();
	};
} else {
	window.onload = window.onload && function () {
		FUNCTION();
	};
}