Create a thumbnail image
If you want to add an image that is larger than the maximum width of your portalsurvey, you can create a thumbnail image that links to an enlarged version in a pop-up window.
You can use HTML or JavaScript to create the thumbnail:
- If you use HTML, the size of the pop-up window is based on the participant's browser.
- If you use JavaScript, you can specify the size of the pop-up window.
Note: Ensure that the width of the thumbnail image is between 200 pixels
and 400 pixels.