Looking for reusable Javascript & Cookie support add-in for webpage

I am looking for a simple piece of client side code that can be included in my webpages that runs onload to detect whether the user has javascript and cookies enabled, and then sends them to a page that explains how to enable these items based on their browser type and version if either is not. I am sure that I could write this myself, but it seems that there must already be "library" item that I could use to include in my websites that would be more comprehensive than I could create.
RichAsked:
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ahoffmannCommented:
to check for javascript you can use the  tag
to chek if cookies are enabled, you need to force the browser to send a request after your application has set a cookie, this is usually done with a meta redirect or using webbugs (1-pixel images)
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Michel PlungjanIT ExpertCommented:
Here


<script type="text/javascript" src="cookie_utils.js"></script>
<script type="text/javascript">
if (!isCookieEnabled()) location.replace('explaincookies.html')
</script>
<noscript>
It seems you have turned javascript off. Please read <a href="jsexplain.html">here</a> what you are missing out on
</script>

Open in new window

cookie-utils.js.txt
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ahoffmannCommented:
just a pedantic note:
you cannot reliably test for cookie functionality with javascript, as a browser may disallow settings cookies with scripting; for example mozila with
  user_pref("dom.disable_cookie_set", true);
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RichAuthor Commented:
mplungian,

That is part of what I am looking for, and in rereading my question, maybe not obvious, but mostly looking for the content of explaincoolies.html and jsexplaine.html that will check for users current browser and then provide the specific instructions for enabling cookies and/or javascript. Anything you know of that includes that functionality?
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Michel PlungjanIT ExpertCommented:
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RichAuthor Commented:
OK, thanks. I will use the code and try to come up with the instruction part myself. Maybe keeping in generic will suffice for now. I am just suprised that there isn't some prepackaged source for this pretty standard need.
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