Animate number counting

count.js

function animate_count($el, duration, prefix, postfix, is_decimal) {
	prefix = prefix || '';
	postfix = postfix || '';
	is_decimal = is_decimal || false;

	var text = $el.text().replace(/[^0-9]/g, '')

	jQuery({ counter: 0 }).animate({ counter: parseInt(text) }, {
		duration: 1250,
		easing: 'swing',
		step: function () {
			text = is_decimal ? Math.ceil(this.counter) / 100 : Math.ceil(this.counter);
			$el.text(prefix + text + postfix);
		}
	});
}