function submenuAction (id, mode) {
	var parts= id.split( "_" );
	if ( typeof (parts[1]) == "undefined" || !parts[1] ) return;
	var submenuObj= document.getElementById( "submenu_"+parts[1]); if ( !submenuObj ) return;
	var flyTitleObj= document.getElementById( "linkfly_"+parts[1]); if ( !flyTitleObj ) return;
	
	submenuObj.style.display= ( mode ) ? "block" : "none";
	flyTitleObj.style.display= ( mode ) ? "block" : "none";
}