function next_image()
{
	var imageId = document.getElementById("bigImage").getAttribute("bigImageID");

	var imgArea = document.getElementById("thumbArea").getElementsByTagName("img");

	for (var i = 0; i < imgArea.length; i++)
	{
		
		if(parseInt(imgArea[i].getAttribute("imageID")) == imageId)
		{
			var currentSeq = parseInt(imgArea[i].getAttribute("imageSequence"));
			
			var nextImage;

			if ((nextImage = document.getElementById("image_"+parseInt(currentSeq + 1))) == false) return;

			var nextSource = nextImage.getAttribute("imageRoot");
			var nextID = nextImage.getAttribute("imageID");

			var nextTitle = nextImage.getAttribute("imageTitle");
			var nextDesc = nextImage.getAttribute("imageDesc");

			document.getElementById('bigImage').src = 'bas_oostveen_images/resize/'+nextSource+'.jpg';
		}
	}

	document.getElementById('imageTitle').innerHTML = nextTitle;
	document.getElementById('imageDesc').innerHTML = nextDesc;

	document.getElementById("bigImage").setAttribute("bigImageID", nextID);
}

function setImage(imageId, imageFilename, imageTitle, imageDesc)
{
	if(parseInt(document.getElementById('bigImage').getAttribute('bigImageId')) == imageId) return; 
	
	document.getElementById('bigImage').src = 'bas_oostveen_images/resize/'+imageFilename+'.jpg'; 
	
	document.getElementById('bigImage').setAttribute('bigImageId', imageId);

	document.getElementById('imageTitle').innerHTML = imageTitle;
	document.getElementById('imageDesc').innerHTML = imageDesc;
}