need javascript to show a layer

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  • Richard
    #1

    need javascript to show a layer

    Can someone help me figure out how to show a hidden layer *ONLY* if the
    browser is IE for windows? I want it to remain hidden for everything else,
    Netscape, Opera, Mozilla and anything for Mac. I'm not having much luck
    out here.

    Thank you.
    Tags: None
    • Lasse Reichstein Nielsen
      #2
      Re: need javascript to show a layer

      richard555@cs.e du (Richard) writes:
      [color=blue]
      > Can someone help me figure out how to show a hidden layer *ONLY* if the
      > browser is IE for windows? I want it to remain hidden for everything else,
      > Netscape, Opera, Mozilla and anything for Mac. I'm not having much luck
      > out here.[/color]

      While I can't help to wonder why you would want that, here are some
      suggestions.

      Since you only care about IE, you might only care about some IE versions.
      In IE 5 and later, you can use conditional comments:
      <!--[if IE]>
      <div id='hidden'>
      ...
      </div>
      <![endif]-->
      All other browsers will only see HTML-comments. (I don't *think* IE 5.2/Mac
      will understand conditional comments).
      <URL:http://msdn.microsoft. com/library/default.asp?url =/workshop/author/dhtml/overview/ccomment_ovw.as p>

      Otherwise, you must find a way to uniquely identify IE/Win. It has
      been discussed before, and the conclusion was that object detection is
      not a safe way to detect IE. Other browsers emulate IE in any way they
      can, including lying about their name in navigator.appNa me etc. If you
      find a feature that distinguishes IE from other browsers, chances are
      another browser will emulate that feature sooner or later.

      So far, no browser have implemented conditional comments. Maybe one
      will eventually. It is what I would use, and not care about IE4.

      /L
      --
      Lasse Reichstein Nielsen - lrn@hotpop.com
      Art D'HTML: <URL:http://www.infimum.dk/HTML/randomArtSplit. html>
      'Faith without judgement merely degrades the spirit divine.'

        Comment

        • Richard
          #3
          Re: need javascript to show a layer

          lrn@hotpop.com (Lasse Reichstein Nielsen) wrote in
          <u178it63.fsf@h otpop.com>:
          [color=blue]
          >richard555@cs. edu (Richard) writes:
          >[color=green]
          >> Can someone help me figure out how to show a hidden layer *ONLY* if
          >> the browser is IE for windows? I want it to remain hidden for
          >> everything else, Netscape, Opera, Mozilla and anything for Mac. I'm
          >> not having much luck out here.[/color]
          >
          >While I can't help to wonder why you would want that,[/color]

          Because the layer contains a flash movie which MUST play in transparent
          mode, which is only supported in IE for windows. Ok?


          here are some[color=blue]
          >suggestions.
          >
          >Since you only care about IE, you might only care about some IE
          >versions. In IE 5 and later, you can use conditional comments:
          > <!--[if IE]>
          > <div id='hidden'>
          > ...
          > </div>
          > <![endif]-->[/color]

          That works perfectly. Thank you.

            Comment

            • Lasse Reichstein Nielsen
              #4
              Re: need javascript to show a layer

              richard555@cs.e du (Richard) writes:
              [color=blue]
              > Because the layer contains a flash movie which MUST play in transparent
              > mode, which is only supported in IE for windows. Ok?[/color]

              Transparent mode, that is the same as windowless mode with transparent
              background, set with the wmode parameter of the embed tag, right?

              According to
              <URL:http://www.macromedia. com/support/flash/releasenotes/player/rn_6.html>
              windowless mode, including the transparent background mode, is supported by:
              Windows Internet Explorer
              Windows Netscape 7.0
              Windows AOL
              Windows Mozilla 1.0
              Mac OS X IE 5.1
              Mac OS X IE 5.2
              Mac OS X Netscape 7.0
              Mac OS X AOL
              Mac OS X Mozilla 1.0
              Mac OS X CompuServe
              See also <URL:http://www.macromedia. com/support/flash/ts/documents/wmode.htm>
              for which version of Flash is needed for each browser.

              /L
              --
              Lasse Reichstein Nielsen - lrn@hotpop.com
              Art D'HTML: <URL:http://www.infimum.dk/HTML/randomArtSplit. html>
              'Faith without judgement merely degrades the spirit divine.'

                Comment

                • Lasse Reichstein Nielsen
                  #5
                  Re: need javascript to show a layer

                  Lasse Reichstein Nielsen <lrn@hotpop.com > writes:
                  [color=blue]
                  > windowless mode, including the transparent background mode, is supported by:[/color]

                  And Opera 7 seems to work too.

                  /L
                  --
                  Lasse Reichstein Nielsen - lrn@hotpop.com
                  Art D'HTML: <URL:http://www.infimum.dk/HTML/randomArtSplit. html>
                  'Faith without judgement merely degrades the spirit divine.'

                    Comment

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