44109d16ab
screen readers. Also, the mathjax message should be wrapped to prevent non-IE browsers from complaining about a feature that is IE-only.
22 lines
702 B
CoffeeScript
22 lines
702 B
CoffeeScript
$ ->
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if window.navigator.appName is "Microsoft Internet Explorer"
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isMPInstalled = (boolean) ->
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# check if MathPlayer is installed
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# (from http://www.dessci.com/en/products/mathplayer/check.htm)
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try
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oMP = new ActiveXObject("MathPlayer.Factory.1")
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true
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catch e
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false
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# detect if there is mathjax on the page
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# if not, set 'aria-hidden' to 'true'
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if MathJax? and not isMPInstalled()
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$("#mathjax-accessibility-message").attr("aria-hidden", "false")
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if MathJax? and $("#mathplayer-browser-message").length > 0
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$("#mathplayer-browser-message").attr("aria-hidden", "false")
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else
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$("#mathjax-accessibility-message").attr("aria-hidden", "true")
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