Netscape Navigator 3.x
Netscape Navigator 4.x
Internet Explorer 3.x
Select "View | Options..." and select the "Security" tab on the property sheet that appears. Uncheck "Run ActiveX scripts."
Internet Explorer 4.x and later
Select "View | Internet Options..." and select the "Security" tab on the property sheet that appears. Customize the security settings for the "Internet" zone and select "Disable" under the heading marked "Active scripting."