For Microsoft InterNet Explorer

On the browser Menu click on : Tools> Internet Options
Choose Security tab
Choose Internet zone
Click button marked Custom Level...
Scroll down over three quarters of the way until you find the heading Scripting
The first subheading is Active Scripting
Look at the buttons beneath
Ensure that the button marked Enable is checked as shown.
Click buttons to make and confirm changes.



For Netscape Navigator

On the browser Menu click : Edit>Preferences...
Ensure the Advanced label is highlighted.
Locate the checkbox marked "Enable JavaScript".
You need to click the box to make this CHECKED.
Click OK Button.