function reset ( array ) {	// Set the internal pointer of an array to its first element
	// 
	// + original by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
	// + bugfixed by: Legaev Andrey
	var first_elm, key;
	if (array.constructor === Array){
		first_elm = array[0];
	} else {
		for (key in array){
			first_elm = array[key];
			break;
		}
	}
	return first_elm;
}

reset({firstname: 'Kevin', middle: 'van', surname: 'Zonneveld'});