/*function changeImg(uri,caption){
	var mainimg = document.getElementById('storyimg');
	mainimg.style.visibility = 'hidden';
	var txt = document.getElementById('photo').getElementsByTagName('p')[0];
	mainimg.src = uri;
	mainimg.style.visibility = 'visible';
	txt.innerHTML = caption;
}*/

function changeImg(uri,caption){
	var mainimg = document.getElementById('storyimg');
	//mainimg.style.visibility = 'hidden';
	var txt = document.getElementById('photo').getElementsByTagName('p')[0];
	mainimg.src = eval('image' + uri + '.src');
	//mainimg.setAttribute('src','http://www.rca.ac.uk' + uri);
	//mainimg.style.visibility = 'visible';
	txt.innerHTML = caption;
}