function showList(name) {
	if (name == "optional_enclosures"){
		var el = document.getElementById('drop_optional_enclosures')
		if (el.style.display=='block') {
			el.style.display='none';
			document.getElementById('optional_enclosures_arrow').src='/images/inside/ph_icon_embed_video.jpg';
		} else {
			el.style.display='block';
			document.getElementById('optional_enclosures_arrow').src='/images/inside/ph_icon_ms_embed_video.jpg';
		}
	
	}
}