// JavaScript Document
function getElementsByClassName( strClassName, obj )
{
	var ar = arguments[2] || new Array();
	var re = new RegExp("\\b" + strClassName + "\\b", "g");

	if ( re.test(obj.className) ) {
		ar.push( obj );
	}
	for ( var i = 0; i < obj.childNodes.length; i++ )
		getElementsByClassName( strClassName, obj.childNodes[i], ar );
	
	return ar;
}