MooTools Element Creation Shortcut

function $E(tag, props) {
	if (typeof props == 'string')
		props = { style : props };
	if (typeof tag == 'string') {
		var id = tag.match(/#([\w-]+)/);
		var classes = tag.match(/(?:\.[\w-]+)+/);
		tag = tag.replace(/[#.].*/, '');
		props = props || {};
		if (id) props.id = id[1];
		if (classes) props['class'] = classes[0].replace(/\./g, ' ');
	}
	return new Element(tag || 'div', props);
};

/*
	Please see for more info:
	http://appden.com/javascript/element-creation-shortcut-in-mootools/
*/