function $() {

	var elements = new Array();

	for (var i = 0; i < arguments.length; i++) {

		var element = arguments[i];

		if (typeof element == 'string')

			element = document.getElementById(element);

		if (arguments.length == 1)

			return element;

		elements.push(element);

	}

	return elements;

}

function getElementsByClass(searchClass,node,tag) {

	var classElements = new Array();

	if ( node == null )

		node = document;

	if ( tag == null )

		tag = '*';

	var els = node.getElementsByTagName(tag);

	var elsLen = els.length;

	var pattern = new RegExp("(^|\\s)"+searchClass+"(\\s|$)");

	for (i = 0, j = 0; i < elsLen; i++) {

		if ( pattern.test(els[i].className) ) {

			classElements[j] = els[i];

			j++;

		}

	}

	return classElements;

}