var oldSpecies
function showBox(species) {
	if (document.getElementById) {
		document.getElementById(species).style.visibility = 'visible';
	} else if (document.all) {
		document.all[species].style.visibility = 'visible';
	}
	if ((oldSpecies) && (oldSpecies != species)) {
		if (document.getElementById) {
			document.getElementById(oldSpecies).style.visibility = 'hidden';
		} else if (document.all) {
			document.all[oldSpecies].style.visibility = 'hidden';
		}
	}
	oldSpecies = species;
}
	
function hideBox() {
	if (oldSpecies) {
		if (document.getElementById) {
			document.getElementById(oldSpecies).style.visibility = 'hidden';
		} else if (document.all) {
			document.all[oldSpecies].style.visibility = 'hidden';
		}
	}
}