Prevent Browser (Internet Explorer) from Downloading Suitelet (scriptlet.nl)

If users are unable to view a Suitelet in Internet Explorer (IE) and is prompted to Open or Save scriptlet.nl instead, users may change the settings as follows:

1. Open Internet Explorer
2. Navigate to Tools (Menu) > Internet Options
3. Navigate to Security (Tab), select Internet Zone then click Custom Level button
4. Under Miscellaneous section, look for Open files based on content, not file extension and make sure that Disabled is checked
Note: "Open files based on content, not file extension" is renamed as "Enable MIME Sniffing" in Internet Explorer 9

This happens when viewing an unformatted HTML file in the browser.  For example:

function dummySuitelet(request, response) { response.write("Test Suitelet");}

But if you change the output to the one below, the File Download dialog will not appear:

function dummySuitelet(request, response) {response.write("Test Suitelet");}