implementing federal accessibility web standards (1194.22)

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1、U.S.DepartmentofEducationAssistiveTechnologyProgram400MarylandAvenue,SWWashington,DC20202202-260-5055ImplementingFederalAccessibilityWebStandards(1194.22)(a)Atextequivalentforeverynon-textelementshallbeprovided(e.g.,via"alt","longdesc",orinelementcontent).http:

2、//www.access-board.gov/sec508/guide/1194.22.htm#(a)http://www.jimthatcher.com/webcourse2.htmRelatedInformationCreatingAccessibleGraphics(WEBAIM)http://www.webaim.org/techniques/images/DescribingIllustrations,Diagrams,Maps,Tables,Charts,andGraphshttp://www.w3.or

3、g/2000/08/nba-manual/Overview.htmlGuidelinesonalttextsinimgelementshttp://www.cs.tut.fi/~jkorpela/html/alt.htmlExampleofDlinkhttp://www.consideration.org/technology/accessexamples/dlinksample.html(b)Equivalentalternativesforanymultimediapresentationshallbesynch

4、ronizedwiththepresentation. http://www.access-board.gov/sec508/guide/1194.22.htm#(b)http://www.jimthatcher.com/webcourse6.htm7RelatedInformationCaptioningfortheWeb(WEBAIM)http://www.webaim.org/techniques/captions/(IncludestutorialsoncaptioninginQuicktime,Window

5、sMedia,RealPlayer,andMAGpie)MAGPIE(NCAM)http://ncam.wgbh.org/webaccess/magpie/SynchronizedMultimedia:SMIL(W3C)http://www.w3.org/AudioVideo/AccessibilityFeaturesofSMIL(W3C)http://www.w3.org/TR/SMIL-access/CreatingAccessibleFlash(WEBAIM)http://www.webaim.org/tech

6、niques/flash/AccessibilityTechniquesforFlashMX(Macromedia)http://www.trainingcafe.com/macromedia/accessibility/flashmx.asp(c)Webpagesshallbedesignedsothatallinformationconveyedwithcolorisalsoavailablewithoutcolor,forexamplefromcontextormarkup. http://www.access

7、-board.gov/sec508/guide/1194.22.htm#(c)http://www.jimthatcher.com/webcourse7.htmRelatedInformationEffectiveColorContrasthttp://www.lighthouse.org/color_contrast.htmVischeckhttp://www.vischeck.com/vischeck/Barrier-freepresentationthatisfriendlytocolorblindpeople

8、http://jfly.iam.u-tokyo.ac.jp/html/color_blind/7(d)Documentsshallbeorganizedsotheyarereadablewithoutrequiringanassociatedstylesheet.http://www.access-board.gov/sec508/guide/