My button won't load a scene

When I click my button it calls the function that is assigned to it but the line that loads the new scene doesn't load the scene.

 public void MyTeams(string levelName)
     {
         // execute the "My Teams" screen, where the user can manage their teams and create new ones
         Application.LoadLevel (levelName);
         print (Application.loadedLevel);
     }

I have "levelName" defined as "MyTeams", which matches the name of the scene exactly. The print line prints the loaded level just fine every time the button is clicked but the scene won't load. The scene is in the build settings. The script is attached to an active gameobject. Everything is set up but it wont work. Please help!