function foto(a) { switch (a) { case 1: return 'movie_milling
Video: milling'; break; case 2: return 'movie_wire erosion
Video: wire erosion'; break; case 3: return 'movie_measuring room
Video: measuring room'; break; case 4: return 'movie_assembling of a tool
Video: assembling of a tool'; break; case 5: return 'movie_bihler
Video: bihler project'; break; default: return ''; } }