function s_showfeature(jj) {
	for ($ii=0; $ii<9; $ii++) {
		if (document.getElementById('s_big_image_'+$ii)) document.getElementById('s_big_image_'+$ii).style.display="none";
		if (document.getElementById('s_small_caption_'+$ii)) document.getElementById('s_small_caption_'+$ii).style.display="none";
	}
	document.getElementById('s_big_image_'+jj).style.display="block";
	document.getElementById('s_small_caption_'+jj).style.display="block";
}