HTML/CSS/javascript Code that recognices the browser version

Some code works for older browser versions, some doesn't. Is there a way to detect the version of the users browser and post a message like "To view this site in its full functionality, you need to download a newer version of your browser". Or even provide a link to that download if possible, depending on the different browser.
The proyect manager is demanding for full functionality in all versions but seams not to understand it's not always possible, I'm trying to provide an alternative solution.
victorcosta85Asked:
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ploftinCommented:
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victorcosta85Author Commented:
Thanks for the links, but I kind of need a simplified solution, if I intended to read and learn about it, i wouldn't be using experts exchange for quick solutions.

So its a javascript issue, I'll post this message again in the proper zone.
Thanks again guys.
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cyberpunk71Commented:
You say its a javascript problem. Is it browser specific? or Javascript version specific? If its browser specific, let me know what browser don't work and do work. If its a Javascript version specific then let me know what it is? I'll post some code when you give this.
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s8webCommented:
victorcosta,

Are you using a server language like php, coldfusion, or asp?
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s8webCommented:
This will work for IE versions less than 7. It would be more reliable to do this server side though. this should go in the head.

It will give the user an option to go to a link you specify, or otherwise say whatever you want to say.
<script type="text/javascript">
if (/MSIE (\d+\.\d+);/.test(navigator.userAgent)){ 
var ieversion=new Number(RegExp.$1) 
if (ieversion<=7)
document.write("Your browser is pretty old, some things just aren't going to work right. If you are interested in updating it, <a href='http://www.google.com'>click here</a>.")
}
</script>

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s8webCommented:
Oops, this shows ie7 users the message, my bad, should be:


<script type="text/javascript">
if (/MSIE (\d+\.\d+);/.test(navigator.userAgent)){ 
var ieversion=new Number(RegExp.$1) 
if (ieversion<=6)
document.write("Your browser is pretty old, some things just aren't going to work right. If you are interested in updating it, <a href='http://www.google.com'>click here</a>.")
}
</script>

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victorcosta85Author Commented:
s8web, your code works perfect for IE. Thats the one that bothers me the most... Is there a similar code for safari?
The other browsers (chrome, mozilla,opera,etc usually are used by people that know what an update is).
Thanks!
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