a (ASCII) type code, using with FTP URLs, 106
a:* selectors, descriptions and examples of, 285
<a> (anchor) element, 265-267
advisory about spacing around, 19
defining hyperlinks with, 91-92
as destination and link, 113
and images, 117-119
naming, 113-114
overview of, 587-590
role in linking, 109-110
using, 109-110
using with audio, 249-250
using with images as buttons, 163-164
using with PDF files, 267
using with server-side image maps, 120-121
<abbr> (abbreviation) element
explanation of, 83
overview of, 590-591
absolute URLs, example of, 110
absolute value of position property in CSS2, explanation of, 333, 336
accelerator keys
using with <a> anchor tags, 115-116
accept attribute, using with <input> tag in forms, 388
accesskey attribute
overview of, 581
using, 115-116
using with forms, 393-394
value and description of, 113
<acronym> element, overview of, 83, 591-592
action attribute, using with <form> tags, 367-368
Active link state, explanation of, 112
ActiveBorder color value in CSS2, intended rendering of, 351
ActiveCaption color value in CSS2, intended rendering of, 351
ActiveX controls
adding to Web pages, 482-485
installing, 484
overview of, 480-486
passing data to, 484-485
and scripting, 485-486
security concerns related to, 480
using, 486
acute accents, character entities for, 802-807
´ (acute accent) HTML character entity, description of, 801
<address> element
example of, 78-79
overview of, 592-593
adjacent-sibling CSS2 selector, example of, 328
Adobe Acrobat technology, overview of, 265-267
Adobe's SVG viewer, referencing files with, 569-570
æ (lowercase ae ligature) HTML character entity, description of, 805
AIFF (Audio Interchange File Format), description of, 249
align attribute
advisory about using texttop, baseline, absmiddle, and absbottom values with, 158
using with images, 155-158
using with QuickTime, 257
alignment attributes, overview of, 174 See also text alignment
alink attribute, changing, 110, 191
all value, using with <br/> tag, 159-160
alphabet.txt example of databinding, 227-229
alt attribute
using with <img> tag, 153-155
using with image maps, 126
alternate rel value, explanation of, 129
alternative style sheets, examples of, 346-349
& (ampersand) HTML character entity, description of, 790
ampersand (&)
character entity for, 87
as logical connector, 838
anchor attributes. See also extended event attributes
accesskey anchor attribute, 115-116
id attribute, 112-114
and link relationships, 117
name attribute, 112-114
nohref anchor attribute, 125-126
rel anchor attribute, 117
rev anchor attribute, 117
and scripting, 117
tabindex anchor attribute, 116
tabindex attribute, 126-128
table of, 113
target anchor attribute, 116, 125
title attribute, 114-115
animated GIFs, overview of, 263
animation
and GIF images, 146-148
overview of, 260-265
anonymous FTP, explanation of, 105
anti-aliasing, occurrence in GIF images, 145
Apache server modules Web address, 419
Apache software, overview of, 507
appendix rel value, explanation of, 129
<applet> (Java Applet) element
overview of, 593-595
syntax of, 488-490
applets. See Java applets
AppWorkspace color value in CSS2, intended rendering of, 351
archive attribute, using with Java applets, 489
<area> (image map area) element
attributes of, 121-122
overview of, 595-596
using with client-side image maps, 121-123
arrows, HTML 4.0 character entities for, 814
ASP (Active Server Pages) server-side scripting solution, overview of, 428-431
ASP.NET server-side scripting solution, overview of, 428-431
asterisk (*)
as CSS2 selector, 327
as occurrence indicator, 838
attribute declarations, overview of, 840
attribute values
case sensitivity of, 18-19
quoting, 21
attributes. See also extended event attributes
accept, 388
action, 367-368
alink, link, and vlink, 110, 191
archive, 489
of <area> element, 122
autoplay, 257
autostart, 253
behavior, 262
bgproperties, 195
cache, 257
cellpadding and cellspacing, 206
cite, 66-67
classid, 492
clear, 159
code and codebase, 488
colspan, 199-201
compact, 70
contenteditable, 581
controller, 257
datafld, 229
datapagesize, 229
datasrc, 228-229
datetime, 85
declare, 484
dir, 57-58
direction, 262
directories, 581
dynsrc, 256
for event handlers used with XHTML documents, 441-445
for events, 582-585
face, 181
frame, 225
hidden, 258
hidefocus, 581
http-equiv, 526-527
id, 56, 375, 378, 452, 579-580
of image element, 153-163
for image maps, 125-128
for installation of plug-ins, 476-477
ismap, 120
leftmargin, 195
line-height, 295
link, 191
lowsrc, 162-163
marginheight and marginwidth, 195
matching with CSS2 selector, 328-329
media, 132
method, 367-370
name, 372, 375, 378, 384, 452, 490, 525-526
noshade, 77-78
of <ol> tag, 70
onclick event, 58
playeveryframe, 258
pluginspage, 258
readonly, 396-397
rowspan, 199-201
rules, 225
scale, 258
scrollamount, 262
standby, 484
start, 71
syntax of, 4-5
for table borders, 208-209
target, 258
text, 190
title, 57, 85, 126, 155, 394-395, 580
topmargin, 195
unselectable, 582
vcard_name, 395-396
vlink, 191
width, 77-78, 161-162, 202-203, 259
xmlns, 561
AU (Sparc-audio or u-law) format, description of, 249
audience, determining for Web site projects, 31-33
audio
downloading and playing, 248-249
including, 249-251
overview of, 247-254
/audio directory, contents of, 542
audio file formats and compression, overview of, 248
audio files, converting to RealAudio format, 252
audio formats, table of, 249
AUTH_TYPE variable in CGI, description of, 413
authenticated protocols
FTP as, 105
telnet as, 107
authenticated services, relationship to URLs, 99
auto value of cursor property in CSS2, description of, 349-350
AutoComplete feature, using for form accessibility, 395-396
automatic numbering of objects, performing with CSS2, 342-343
autoplay attribute, using with QuickTime, 257
autostart attribute, using with RealAudio, 253
AVI (Audio Video Interleave) video format, description of, 255
azimuth property in CSS2, overview of, 357