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HTML & XHTML DeMYSTiFieD® This page intentionally left blank About the Author Lee Cottrell started programming in 1982. Since this time, he has worked in many different programming languages. Lee has a Master of Science degree in information science from the University of Pittsburgh. Currently, Lee is the Program Manager for Computer Programming and Computer Networking programs at Bradford School in Pittsburgh. His teaching duties include networking, hardware, programming, database design, and web development. Lee also develops and writes curriculum for Bradford Schools nationwide. During his free time, Lee coaches baseball, softball, and soccer for his community athletic organization. About the Technical Editor Les Graves has been a technology instructor at a variety of schools for 10 years teaching programming, including HTML, and networking. He also has 17 years of corporate business and programming experience. He received his Bachelors of Science in Computer Science from the University of Pittsburgh and his Masters in Information Systems from the University of Phoenix. He resides in Pittsburgh, PA. Les has had the privilege of working side by side as a technology instructor at Bradford School with the author, Lee Cottrell, and can attest to what an awesome instructor Lee is with great depth of experience and passion for his students’ success. HTML & XHTML DeMYSTiFieD® Lee M. cottrell New York Chicago San Francisco Lisbon London Madrid Mexico City Milan New Delhi San Juan Seoul Singapore Sydney Toronto Copyright © 2011 by The McGraw-Hill Companies. All rights reserved. Except as permitted under the United States Copyright Act of 1976, no part of this publication may be reproduced or distributed in any form or by any means, or stored in a database or retrieval system, without the prior written permission of the publisher. 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Un- der no circumstances shall McGraw-Hill and/or its licensors be liable for any indirect, incidental, special, punitive, consequential or similar damages that result from the use of or inability to use the work, even if any of them has been advised of the possibility of such damages. This limitation of liability shall apply to any claim or cause whatsoever whether such claim or cause arises in contract, tort or otherwise. The DeMYSTiFieD series helps students master complex and difficult subjects. Each book is filled with chapter quizzes, final exams, and user friendly content. Whether you want to master Spanish or get an A in Chemistry, DeMYSTiFieD will untangle confusing subjects, and make the hard stuff understandable. PRE-ALGEBRA DeMYSTiFied, 2e ALGEBRA DeMYSTiFied, 2e Allan G. Bluman Rhonda Huettenmueller ISBN-13: 978-0-07-174252-8 • $20.00 ISBN-13: 978-0-07-174361-7 • $20.00 CALCULUS DeMYSTiFied, 2e PHYSICS DeMYSTiFied, 2e Steven G. Krantz Stan Gibilisco ISBN-13: 978-0-07-174363-1 • $20.00 ISBN-13: 978-0-07-174450-8 • $20.00 DeMYSTiFieD® Series Advanced Statistics Demystified Math Proofs Demystified Algebra Demystified, 2e Math Word Problems Demystified Alternative Energy Demystified Mathematica Demystified ASP.NET 2.0 Demystified Matlab Demystified Astronomy Demystified Microbiology Demystified Biology Demystified Microeconomics Demystified Biophysics Demystified Nanotechnology Demystified Biotechnology Demystified OOP Demystified Business Calculus Demystified Operating Systems Demystified Business Math Demystified Organic Chemistry Demystified Business Statistics Demystified Pharmacology Demystified Calculus Demystified, 2e Physics Demystified, 2e Chemistry Demystified Physiology Demystified College Algebra Demystified Pre-Algebra Demystified, 2e Data Structures Demystified Precalculus Demystified Databases Demystified, 2e Probability Demystified Differential Equations Demystified Project Management Demystified Digital Electronics Demystified Quality Management Demystified Earth Science Demystified Quantum Mechanics Demystified Electricity Demystified Relativity Demystified Electronics Demystified Robotics Demystified Environmental Science Demystified Signals and Systems Demystified Everyday Math Demystified SQL Demystified Forensics Demystified Statistical Process Control Demystified Genetics Demystified Statistics Demystified Geometry Demystified Technical Analysis Demystified HTML & XHTML Demystified Technical Math Demystified Java Demystified Trigonometry Demystified JavaScript Demystified UML Demystified Lean Six Sigma Demystified Visual Basic 2005 Demystified Linear Algebra Demystified Visual C# 2005 Demystified Logic Demystified Web Design Demystified Macroeconomics Demystified XML Demystified The Demystified Series publishes more than 125 titles in all areas of academic study. For a complete list of titles, please visit www.mhprofessional.com. DeMystified_Series_List_2.indd ii 10/15/10 4:38 PM This page intentionally left blank