Can AJAX Extension 1.0 work with .net framework 3.5, 3.0 & 2.0 on same machine ??

I have .net framework 2.0 & ASP.NET 2.0 AJAX Extensions 1.0  installed on my local machine. The UpdatePanel in my ASP.NET 2.0 web-application works fine on my local machine.
But, when i put my website on the server, no ajax component works. An 'Sys is Undefined' javascript error comes. On the server, .net frameworks 3.5 SP1, 3.0 SP2 & 2.0 SP2 as well as ASP.NET 2.0 AJAX Extensions 1.0 are installed. I can't un-install any of the higher framework.
Any help about running ajax on this server in my ASP.NET 2.0 website will be highly appreciable..
Thanks in advance .....
CWareIndiaAsked:
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Gyanendra SinghArchitectCommented:
no... please download latest extension for framework 3.5
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CWareIndiaAuthor Commented:
isn't it that framework 3.5 includes ajax extensions in itself ??
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Obadiah ChristopherCommented:
Make sure the ajax dll is present in the bin directory of your website on the server.
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Gyanendra SinghArchitectCommented:
unfortunately no... you need to picked from their site.. download from here
http://www.codeplex.com/AjaxControlToolkit/Release/ProjectReleases.aspx?ReleaseId=16488
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CWareIndiaAuthor Commented:
Ok, Thanks a lot. That worked for me. Thanks for the quick help.
Cheers. :)
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Gyanendra SinghArchitectCommented:
your welcome
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