function image() {
};

image = new image();
number = 0;

// imageArray
image[number++] = "<img src='/images/secondary/banner_photos/banner_photo_01.jpg'>"
image[number++] = "<img src='/images/secondary/banner_photos/banner_photo_02.jpg'>"
image[number++] = "<img src='/images/secondary/banner_photos/banner_photo_03.jpg'>"
image[number++] = "<img src='/images/secondary/banner_photos/banner_photo_04.jpg'>"
image[number++] = "<img src='/images/secondary/banner_photos/banner_photo_05.jpg'>"
image[number++] = "<img src='/images/secondary/banner_photos/banner_photo_06.jpg'>"
image[number++] = "<img src='/images/secondary/banner_photos/banner_photo_07.jpg'>"
image[number++] = "<img src='/images/secondary/banner_photos/banner_photo_08.jpg'>"
image[number++] = "<img src='/images/secondary/banner_photos/banner_photo_09.jpg'>"
image[number++] = "<img src='/images/secondary/banner_photos/banner_photo_10.jpg'>"
image[number++] = "<img src='/images/secondary/banner_photos/banner_photo_11.jpg'>"
image[number++] = "<img src='/images/secondary/banner_photos/banner_photo_12.jpg'>"
image[number++] = "<img src='/images/secondary/banner_photos/banner_photo_13.jpg'>"
image[number++] = "<img src='/images/secondary/banner_photos/banner_photo_15.jpg'>"
image[number++] = "<img src='/images/secondary/banner_photos/banner_photo_16.jpg'>"
image[number++] = "<img src='/images/secondary/banner_photos/banner_photo_17.jpg'>"
image[number++] = "<img src='/images/secondary/banner_photos/banner_photo_18.jpg'>"
// keep adding items here...

increment = Math.floor(Math.random() * number);