function hoverBold(id, bold) {
	if ( !document.getElementById(id) ) return;
	obj = document.getElementById(id);
	if ( bold ) 
		obj.className += ' bold';
	else 
		obj.className = obj.className.replace(/bold/, '');
}

function hoverCity(id, show) {
	if ( !document.getElementById(id) ) return;
	obj = document.getElementById(id);
	// alert(obj.style.display);
	if ( show ) 
		obj.style.display = 'inline';
	else {
		obj.style.display = 'none';
	}
}