By default the links for the sponsor logos display by using the S419 tag will open in the same window. For orgs who want sponsor logos to link to sponsor websites, this causes a problem because by default configuration you would be pushing traffic away from your TeamRaiser event website. By adding some jquery below your S419 element you can force those links to open in a new tab/window.
Here is an example of what that sponsor element would look like using the S419 and the jquery that forces the links to open in a new tab/window:
Be sure you add this between <script> tags to run.