function showHidden(N) {
	if(N.indexOf('small')>-1) {	
		document.getElementById('pic'+N.substring(5)).style.display="block";
		document.getElementById('leftCol').style.display="none";
		document.getElementById('rightCol').style.display="none";
	} else {
		document.getElementById('pic'+N.substring(3)).style.display="none";
		document.getElementById('leftCol').style.display="block";
		document.getElementById('rightCol').style.display="block";
	}
}