var opensubmenu=null;
var opensubmenuid=null;
var openmenuitem=null;
var topselectedmenuid=null;
var clearmenutimeout=null;

function menu_moveover(menuid) {
	clearTimeout(clearmenutimeout);
	if(opensubmenuid!=menuid) {
		if(opensubmenu!=null) {
			opensubmenu.style.visibility='hidden';
		}
		if(openmenuitem!=null) {
			openmenuitem.className=(opensubmenuid==topselectedmenuid?'selected':'');
		}
		var submenu=document.getElementById('topmenu_sub'+menuid);
		var menuitem=document.getElementById('topmenu_item'+menuid);
		if(topselectedmenuid==null) {
			if(menuitem.className=='selected') topselectedmenuid=menuid;
		}
		if(submenu!=undefined && menuitem!=undefined) {
			submenu.style.visibility='visible';
		}
		opensubmenu=submenu;
		opensubmenuid=menuid;
		menuitem.className='menudropped';
		openmenuitem=menuitem;
	}
}

function menu_moveout(menuid) {
	clearmenutimeout=setTimeout('clearMenu('+opensubmenuid+')',200);
}

function clearMenu(menuid) {
	var submenu=document.getElementById('topmenu_sub'+menuid);
	if(submenu!=undefined) {
		submenu.style.visibility='hidden';
	}
	var menuitem=document.getElementById('topmenu_item'+menuid);
	if(menuitem!=undefined) {
		menuitem.className=(menuid==topselectedmenuid?'selected':'');
	}
	if(menuid==opensubmenuid) {
		opensubmenu=null;
		opensubmenuid=null;
		openmenuitem=null;
	}
}