Internet Explorer
1.    Select 'Tools' from the top menu
2.    Choose 'Internet Options'
3.    Click on the 'Security' tab
4.    Click on 'Custom Level'
5.    Scroll down until you see section labled 'Scripting'
6.    Under 'Active Scripting', select 'Enable' and click OK

Netscape Navigator
1.    Select 'Edit' from the top menu
2.    Choose 'Preferences'
3.    Choose 'Advanced'
4.    Choose 'Scripts & Plugins'
5.    Select the 'Enable JavaScript' checkbox and click OK

Mozilla Firefox
1.    Select 'Tools' from the top menu
2.    Choose 'Options'
3.    Choose 'Content' from the top navigation
4.    Select the checkbox next to 'Enable JavaScript' and click OK

Apple Safari
1.    Select 'Safari' from the top menu
2.    Choose 'Preferences'
3.    Choose 'Security'
4.    Select the checkbox next to 'Enable JavaScript'