The Answer is "NO"  however,  it is good practice to always use semicolons.

If you are a PHP , C++, C# and a few others, you know a thing or two about using semicolons so it will be natural to you.

Advocates of not using semicolons whines about two much typing, redundancy, file size and so on. Honestly, i do not consider them as problems.

The only answer i would have for them is this:

When I switched from Javascript to C++, C# , PHP I do not have to worry about a thing because I always use semicolons.

Also It appears that some of the Javascript minifiers out there do not do a good job if the semicolons are not used.

Related Article
http://mislav.uniqpath.com/2010/05/semicolons/

Navigate To

C:\Users\ycsoftware\.netbeans\7.0\config\Preferences\org\netbeans\modules\projectui.properties

and change the projectsFolder Path

Do not forget to replace ysoftware with your userid.