homePix = new Array 
        ("images/home/rotation01.jpg",
         "images/home/rotation02.jpg",
         "images/home/rotation03.jpg",
         "images/home/rotation04.jpg",
         "images/home/rotation05.jpg",
         "images/home/rotation06.jpg",
         "images/home/rotation07.jpg",
         "images/home/rotation08.jpg",
         "images/home/rotation09.jpg",
         "images/home/rotation10.jpg",
         "images/home/rotation11.jpg",
         "images/home/rotation12.jpg",
         "images/home/rotation13.jpg",
         "images/home/rotation14.jpg",
         "images/home/rotation15.jpg",
         "images/home/rotation16.jpg",
         "images/home/rotation17.jpg")

    imgCount = homePix.length


    function choosePix() {
        if (document.images) {
            randomNum = Math.floor ((Math.random() * imgCount))
            document.rotation.src = homePix[randomNum]
        }
    }