Index I

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ID attributes 
ID names 
ID selectors, style sheet rules 
identifiers 
if 
if conditions
    cookies, testing for enabled/disabled status 
    for browser-specific linking 
    methods, testing for 
    object detection, using for 
    object properties, testing for 
if/else 
iframe elements 
    inserting and populating 
Image object 
images
    changing background images 
    precaching 
        server configuration and 
    swapping (rollovers) 
img element 
implements construction, simulating 
@import rule 
importing
    browser- or operating system-specific style sheets 
    external style sheets 
improving script performance 
including external HTML content 
incoming( ) function 
indexOf( ) method  2nd 
inequality operators 
initAnime( ) function 
initCircAnime( ) function 
initContextMenus( ) function  2nd 
initDHTMLAPI( ) function 
initDrag( ) function 
initExpand( ) function 
initExpMenu( ) function 
initiating processes after page loads 
initMenus( ) function 
initProgressBar( ) function 
initScrolbars( ) function 
initScroll( ) function 
initScroll( ) method 
initScrollers( ) function 
initSLAnime( ) function  2nd 
initXMLOutline( ) function  2nd 
innerHTML property  2nd 
innerText property 
insertAdjacentHTML( ) method  2nd 
insertBefore( ) method 
insertCell( ) method 
inserting and populating iframe elements 
insertRow( ) method 
intercapitalization system 
interface constructon 
Internet Explorer 
    backward-compatible transition types 
    CSS border coordinates 
    detection 
    DHTML events 
    element content manipulation methods 
    event objects 
    modal/modeless windows 
    new-style transition filters 
    positioning elements 
    v.6, forcing into standards-compatibility mode 
    version detection 
    windows object and 
isSupported( ) method