If you eveer need to enable or disable javascript on internet explorer 7.0, then you can achieve your task by following the simple steps listed below:
1. From the Tools menu, select Internet Options.
2. Select the Security tab.
3. Click the Custom Level button.
4. Scroll to the Scripting section.
5. Under Active Scripting, select the Enable or the Disable option.
6. Click OK.
7. Click the Yes button.
8. Click OK.
9. On your toolbar, click the Refresh button.