var current = 1;
function $(id){
	return document.getElementById(id);
};
function switchGallery(newelem){
	$('image-'+newelem).style.display = 'block';
	$('num-'+newelem).className = 'current';
	$('image-'+current).style.display = 'none';
	$('num-'+current).className = '';
	current = newelem;
	return false;
};