Simple answer is NO, you can't change it on client machine. That is gross violation of security and hence no browser will allow that.
For your problem you have to find a work-around i.e. advise client to enable JavaScript for your site to work correctly. And then pray that majority of the user will take the advise.
And, yes you can add a "NoScript" tag in your javascript.
http://www.w3schools.com/tags/tag_noscript.asp[
^]
Hope that helps
Milind