///////////////////////////////////////////////////////////////////////////////
// Programmer: Andrew Assarattanakul  (Personalized for the CSSE site by Scott Messner - 8/29/07)
// Programmed Date: November 10, 2004
// Department: University of Wisconsin - Platteville Web Development
// Program Description: Random image generator
//
//		Requirements/Assumptions:
//			- number: range is from 1 to the specified number.
//			- directory: string of the name of the directory and image{number}.jpg
//			- images must be using the extension *.jpg.
//			- images will float to the right.
//			- images has a 1px solid black border.
//			- images have a margin of 0.5 0 0.5 0.5.
//			- image is smaller than the size of the body.
//
//		Structure
//			- image name: {directory}{number}.jpg
//			- Directory structure: random/{directory}/{directory}{number}.jpg
//
//		Usage:
//			- In the Header
//				<script type='text/javascript' src='random.js'></script>
//			- To call in the Body
//				<script type="text/javascript">grabImage("australia");</script>
///////////////////////////////////////////////////////////////////////////////

///////////////////////////////////////////////////////////////////////////////
// grabImage(string)
//		directory: not case sensitive
// 	number: number of images in the directory.
//		if directory does not exist it will default to "uwp"
//
// 	Output:
//			<img src='random/{directory}/{directory}{number}.jpg' style='border:1px solid #000;float:right;margin:0.5em 0 0.5em 0.5em' alt='Random {directory} Image' />
///////////////////////////////////////////////////////////////////////////////
function grabImage(directory) {
	var number
	directory = directory.toLowerCase();
	switch (directory) {
		case "csse":
			number = 13;
			break;
		case "uwp":
		default:
			directory = "uwp";
			number = 17;
			break;
	}
	var name = directory.charAt(0).toUpperCase() + directory.substring(1,directory.length).toLowerCase();
	document.write("<img src='http://www.uwplatt.edu/csse/images/random/" + directory + "/" + directory + (Math.round(Math.random()*(number - 1)) + 1) + ".jpg' style='border:1px solid #000;float:right;margin:0.5em 0 0.5em 0.5em' alt='Random " + name + " Image' />");
}