eclipse plug-in (Aptana for javascript)

1. Go to Help -> Install New Software...
2. In the "Work with:" text box, enter: http://update.aptana.com/install/studio 
3. Click Add...
4. Specify the Name of the Update site (i.e. Aptana Studio Plugin)
5. Click OK
6. Select the "Aptana Studio" checkbox
7. Click the Next Button
8. Confirm the items you are installing
9. Click the Next Button once more
10. Accept the terms and conditions
11. Click the Finish Button