function showImage(){
	// Set up the image files to be used.
	var theImages = new Array()
	theImages[0] = 'black-cow-eating.jpg'
	theImages[1] = 'black-cows-group.jpg'
	theImages[2] = 'black-cows-hill.jpg'
	theImages[3] = 'black-cows-row.jpg'
	theImages[4] = 'black-cows-trio.jpg'
	theImages[5] = 'combine-red.jpg'
	theImages[6] = 'combine-yellow.jpg'
	theImages[7] = 'corn-tops.jpg'
	theImages[8] = 'farm.jpg'
	theImages[9] = 'field-sunset.jpg'
	theImages[10] = 'tractor-field.jpg'
	// do not edit anything below this line
	var j = 0
	var p = theImages.length;
	var preBuffer = new Array()
	for (i = 0; i < p; i++){
	   preBuffer[i] = new Image()
	   preBuffer[i].src = theImages[i]
	}
	var whichImage = Math.round(Math.random()*(p-1));
	document.write('<img src="images/headers/'+theImages[whichImage]+'" alt="Farm Credit of Western Oklahoma" />');
}