i (image/binary) type code, using with FTP URLs, 106
<i> (italic) element
overview of, 642-643
rendering <b> tag as, 277
ICRA (Internet Content Rating Association) Web address, 528
id attribute
example of, 56
overview of, 579-580
purpose of, 452
using with anchor element, 112-114
using with forms, 371-372
using with password form fields, 375
using with pull-down menus in forms, 378
value and description of, 113
id rules, using with CSS, 279-280
#id selector, description and example of, 285
¡ (inverted exclamation point) HTML character entity, description of, 800
<iframe> (Floating Frame) element, overview of, 243-244, 643-645, 643-645
IIS (Internet Information Services), overview of, 507
<ilayer> (Inflow Layer) element, overview of, 645-647
image <input> type, using with forms, 387
image borders in linked images, turning off, 120
image formats
GIF (Graphics Interchange Format), 142-147
JPEG (Joint Photographic Experts Group), 147-150
overview of, 141-142
PNG (Portable Network Graphics), 150-152
image maps
advisory about use of height and width values with, 123
attributes used with, 125-128
client-side image maps, 121-125, 165
difficulties of, 123
server-side image maps, 120-121, 164-165
using lowsrc attribute with, 162-163
image toolbar in Internet Explorer 6, overview of, 166-167
images. See also HTML images; invisible images
aligning, 155-158
aligning text in, 175
as buttons, 163-164
clearing text flow around, 159, 161
download speeds of, 168-169
including inline scripting with, 166
inserting into Web pages, 152-153
legal issues associated with, 167-168
naming, 166
providing previews of, 169
reducing colors used in, 169
reducing number of, 169
setting background images, 192-195
tips on use of, 167-169
using <a> (anchor> tags with, 117-119
using <object> tags with, 166
using correct file format for, 169
/images directory, contents of, 542
<img> (image) element
advisory about spacing around, 19
attributes of, 153-163
example of, 5
exclusion from <pre> tags, 69
inserting images into Web pages with, 152-153
overview of, 647-650
using height and weight attributes with, 161-162
using with <a> anchor tags, 118
using with dynsrc attribute in Internet Explorer, 256
@import rule, using with CSS2, 345
@import syntax, using with style sheets, 275-276
!important override, using with style sheets, 287-288
Inactive* color values in CSS2, intended rendering of, 352
indenting with lists, example of, 76
index file in HTTP URLs, explanation of, 102
index rel value, explanation of, 129
Info* color values in CSS2, intended rendering of, 352
inherit value
of CSS2 position property, 333
of CSS2 visibility property, 337-338
inheritance of properties, overriding, 286-287
inline elements, explanation of, 17
inline frames, defining, 243
inline images, using buffer space around, 158-159
inline physical tags, table of, 81
inline quotations. See also quotations
creating, 66-67
element associated with, 83
inline scripting, including with images, 166
inline styles, using, 276-277
input element, using with text fields in forms, 372
<input> (input form control) element, 373
for file form control, 387-388
hidden, 385-387
image, 387
overview of, 650-654
<ins> (inserted text) element
example of, 85
overview of, 654-655
interlacing GIF images, overview of, 146
international zone identifiers, examples of, 95
Internet Explorer
attributes reference, 581-582
background attributes used with, 195
features and standards support of, 13
support for XSL, 556
using embedded fonts with, 189
and XML Data Islands, 563-565
Internet Explorer 6, image toolbar in, 166-167
Internet, locating objects on, 94
invisible images, performing text layout with, 176-177. See also HTML images; images
IP (Internet Protocol) address, explanation of, 96
¿ (inverted question mark) HTML character entity, description of, 802
<isindex> (index prompt) element, overview of, 16, 655-656
ismap attribute
example of, 125
using with server-side image maps, 120
ISO Latin-1 character set, advisory about, 88
italics, element associated with, 81