How to load some JS only for IE

> Hi,
>
> for WebCharts we need excanvas.js only for IE type browsers.
>
> Protochart uses the following header:
> <!--[if IE]><script language="javascript" type="text/javascript" src="lib/excanvas.js"></script><![endif]-->
>
> The ensureJavascriptFor....InHeader all use WebPage>>addHeader:value:
> to build the tags around the script which obviously doesn't work due
> to the asymmetric use of the '!'.
>
> I currently load excanvas.js into every browser.
>
> I would prefer not to use HTML magic like the above but simply do:
>
> clientBrowser = 'IE' ifTrue:
>   [self ensureJavascriptForExcanvasminInHeader.
>
> Any hints?
>
> Thanks,
>
> Herbert                          mailto:[hidden email]
>
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