function show( id ) {
	document.getElementById( id ).style.display='block';
}
function hide( id ) {
	document.getElementById( id ).style.display='none';
}

function otherColor( id, imgName ) {
	var elem = document.getElementById( id );
	elem.innerHTML = '';
	elem.innerHTML = '<img height="305" src="i/' + imgName + '" />';
}