function highlightMerchant(spaceNum) {
	document.getElementById('stall'+spaceNum).style.visibility="visible";
	document.getElementById('popup'+spaceNum).style.visibility="visible";
}

function lowlightMerchant(spaceNum) {
	document.getElementById('stall'+spaceNum).style.visibility="hidden";
	document.getElementById('popup'+spaceNum).style.visibility="hidden";
}