function smthshow(id, display) {
	var v = document.getElementById(id);
	if (v == null) {
		return;
	}
	if (display == null) {
		display = v.style.display;
	}
	v.style.display = display == 'block' ? 'none' : 'block';
	if (v.style.display == 'block') 
	{ 
		sendRequest('maplog.php?location=' + id, null, null); 
	} 
}