function highlite (tableCell)
{
	tableCell.style.backgroundColor = "#bbbbff";
}

function lowlite (tableCell)
{
	tableCell.style.backgroundColor = "#000033";
}

function changeImage (imageName, currentImage, imageText, caption)
{
	currentImage.src="images/"+imageName+".jpg";
	currentImage.alt=imageText;
	caption.innerHTML = imageText
}