var CURRENT_SUB_MENU = -1;

function TopMenu_subMenuHeader_mouseOver(sub_menu_id) {
	if (document.getElementById('sub_menu'+sub_menu_id)) {
		document.getElementById('sub_menu'+sub_menu_id).className = 'sub_menu';
		CURRENT_SUB_MENU = sub_menu_id;
	}
}

function TopMenu_subMenuHeader_mouseOut(sub_menu_id) {
	CURRENT_SUB_MENU = -1;
	setTimeout("TopMenu_subMenuHeader_mouseOutTimer('"+sub_menu_id+"')", 100);
}

function TopMenu_subMenuHeader_mouseOutTimer(sub_menu_id) {
	if (CURRENT_SUB_MENU != sub_menu_id && document.getElementById('sub_menu'+sub_menu_id)) {
		document.getElementById('sub_menu'+sub_menu_id).className = 'sub_menu_hidden';
	}
}