Problem with links

Hello,
I'm using your slider for our website to show the partners. But if I click on the logo, anything went wrong with the links. The ":" after http or https are missing (e.g. http//www.site.com) But all the links on the module are correct.

Do you have an idea whats wrong?

web143.server.inventmedia.de/ - Here you can take a look.

Guess I've already found the solution:

The module is generating a http:// inside the links. I've changed the default.php where deleted the http:// inside this code

Had the same issue where the ":" in the hyperlink was missing. I changed the links in module to not include the "http://" and all the links are working now.