function changeImageitem(itemName, filename, imageWidth)
<!-- This function is used to change the image displayed in the selected image object -->
{
  document.images[itemName].src = filename;
  document.images[itemName].width = imageWidth;
}

function changeTextItem(itemId, itemText)
<!-- This function is used to change the text displayed for the provided text item -->
{
	var item = document.getElementById(itemId);
	item.innerHTML = itemText;
}