Copyright

Library of Congress Cataloging-in-Publication Data

Barrett, Daniel J.

Essential JavaScript for Web professionals / Dan Barrett, Dan Livingston, Micah Brown.

p. cm -- (Prentice Hall essential Web professionals series) ISBN 0-13-013056-7 (pbk.)

1. JavaScript (Computer program language) I. Livingston, Dan.

II. Brown, Micah. III. Title. IV. Series.

QA76.76.J39 B37 1999

005.2\q762--dc21 99-16801

CIP

Copyright Information

© 1999 Prentice Hall PTR

Prentice-Hall, Inc.

Upper Saddle River, NJ 07458

Prentice Hall books are widely used by corporations and government agencies for training, marketing, and resale.

The publisher offers discounts on this book when ordered in bulk quantities. For more information, contact: Corporate Sales Department, Phone: 800-382-3419; Fax: 201-236-7141; E-mail: corpsales@prenhall.com; or write: Prentice Hall PTR, Corp. Sales Dept., One Lake Street, Upper Saddle River, NJ 07458.

All rights reserved. No part of this book may be reproduced, in any form or by any means, without permission in writing from the publisher.

Printed in the United States of America

10 9 8 7 6 5 4 3 2 1

Prentice-Hall International (UK) Limited, London

Prentice-Hall of Australia Pty. Limited, Sydney

Prentice-Hall Canada Inc., Toronto

Prentice-Hall Hispanoamericana, S.A., Mexico

Prentice-Hall of India Private Limited, New Delhi

Prentice-Hall of Japan, Inc., Tokyo

Prentice-Hall (Singapore) Pte. Ltd., Singapore

Editora Prentice-Hall do Brasil, Ltda., Rio de Janeiro

Credits

Editorial/Production Supervision:

Benchmark Productions, Inc.

Acquisitions Editor:

Karen McLean

Cover Design Director:

Jerry Votta

Cover Design:

Scott Weiss

Cover Illustration:

Jean Francois Podevin, from The Stock Illustration Source, Vol. 5

Manufacturing Manager:

Alexis R. Heydt

Editorial Assistant:

Audri Anna Bazlen

Marketing Manager:

Dan Rush

Project Coordinator:

Anne Trowbridge