Not loading js when plugin active

Hi. I have a problem with the GPX plugin. When I activate the plugin, my page does not load js and I cant load the google map. Now the plugin is deactivated and you can see the google map, so I added a screenshot of how it looks, when the GPX plugin is activated.

https://tinypic.com/r/n70msy/9

The page I need help with: [log in to see the link]