function changeimage(image, imagetext)
{
    var header = document.getElementById('topheader');
    var text = document.getElementById('thumbcap');
    
	var htmtext = "<img src='images/" + image + ".jpg' alt='Villa Victoria Montagu Guesthouse' />";
		
	header.innerHTML = htmtext;
	text.innerHTML = imagetext;
}

function changeimagedesc(image, thumbtext, desc)
{
    var header = document.getElementById('topheader');
    var text = document.getElementById('thumbcap');
    var imagedesc = document.getElementById('imagetext');
    
	var htmtext = "<img src='images/" + image + ".jpg' alt='Villa Victoria Montagu Guesthouse' />";
		
	header.innerHTML = htmtext;
	text.innerHTML = thumbtext;
	imagedesc.innerHTML = desc;
}