var strSelectedLeader = String("");

function ShowLeader( strLeader ) {

	// Hide the old leader, if any
	if ( strSelectedLeader != "" ) {
		DocumentObject( strSelectedLeader, true ).display = 'none';
	}
	if ( strSelectedLeader != strLeader ) {
		DocumentObject( strLeader, true ).display = 'block';
		strSelectedLeader = strLeader;
	} else {
		strSelectedLeader = ""
	}
}