Slide Show Using Jpg Files?

I have to include:1) 10-20 pictures2) a title that is displayed at the top of the page3) the file name of the current picture4) a drop down list that allows the user to ynamically change the background color. Black (default), red, green, orange, brown, and blue.5) Right under the pictures there should be five clickable images for first, previous, next, last and random. 6) I can use any images for the above described buttons.7) The slide show should rotate through images whenever border conditions are met. For example, if the next button is clicked on the last picture, then the first picture in the deck should get loaded. Alternatively, if the previous button is clicked on the first picture, then the last picture in the deck should get loaded.8) When the random button is clicked, a random picture must be selected. A randomly selected picture must be different from the current picture.9) Each button must display a tool-tip when the mouse hovers over the image. 10) CSS for all formatting.11) Javascript code in separate file.So far i have:

<script type = "text/javascript">
function loadPicture() {
var img = new Image();

[code]....