function text() {
};

text = new text();
number = 0;

// textArray
text[number++] = "<img src='title/0d.jpg'>"
text[number++] = "<img src='title/1d.jpg'>"
text[number++] = "<img src='title/2d.jpg'>"
text[number++] = "<img src='title/3d.jpg'>"
text[number++] = "<img src='title/4d.jpg'>"
text[number++] = "<img src='title/5d.jpg'>"
text[number++] = "<img src='title/6d.jpg'>"
text[number++] = "<img src='title/7d.jpg'>"
text[number++] = "<img src='title/8d.jpg'>"
text[number++] = "<img src='title/9d.jpg'>"
text[number++] = "<img src='title/10d.jpg'>"
text[number++] = "<img src='title/11d.jpg'>"
text[number++] = "<img src='title/12d.jpg'>"
text[number++] = "<img src='title/13d.jpg'>"
text[number++] = "<img src='title/14d.jpg'>"
text[number++] = "<img src='title/15d.jpg'>"
text[number++] = "<img src='title/16d.jpg'>"
text[number++] = "<img src='title/17d.jpg'>"

// keep adding items here...

increment = Math.floor(Math.random() * number);

document.write(text[increment]);