function getElement(id) {
	return document.getElementById(id);
}

function movegalleryImage(direction) {	
	var oldPointer = gallerypointer;
	var newPointer = gallerypointer;
	var scores = getElement('imageGallery').childNodes;
				
	if(direction == -1 && newPointer == 0) {
		newPointer = scores.length-1;
	} else if(direction == 1 && newPointer == scores.length-1) {
			newPointer = 0;
		} else {
				newPointer += direction;
			}
			
	getElement('curphoto').innerHTML = newPointer+1; 
	getElement('galleryimage_'+oldPointer).style.display = 'none';
	getElement('galleryimage_'+newPointer).style.display = 'block';
	gallerypointer = newPointer;
}