Courteney Cox showed fans how she often goes above and beyond for her job with a new clip she shared about a recent experience.MORE: We're dying to try Courteney Cox's gluten free biscotti recipeThe actress posted a video which saw her go into work on her new show, Shining Vale, and be told that she'd be harnessed up in the air at a considerable height."So I'm afraid of heights, and I just walked onto the set and I was told I was going 15 feet into the air," she said, before adding: "I was 50