// top menu
var topMenus = null;
var topMenuSubs = null;
function topMenuInit() {
	if(topMenus!=null) return;
	topMenus = new Array(getById('top_menu_01'), getById('top_menu_02'), getById('top_menu_03'), getById('top_menu_04'), getById('top_menu_05'), getById('top_menu_06'));
	topMenuSubs = new Array(getById('top_menu_sub_01'), getById('top_menu_sub_02'), getById('top_menu_sub_03'), getById('top_menu_sub_04'), getById('top_menu_sub_05'), getById('top_menu_sub_06'));
	var es = topMenus;
	var ss = topMenuSubs;
	for(var i=0; i<es.length; i++) {
		var e = es[i];
		if (e == null) continue;
		var on = e.src.indexOf('_on.') != -1;
		e.img_nf   = on;
		e.img_ini  = e.src;
		e.img_on   = e.src.replace(/_[^_\.]+\./,'_on.');
		e.img_off  = e.src.replace(/_[^_\.]+\./,'_off.');
	}
}

function topMenuSetIndex() {
	var a = tyMsg('m.-').split(' ');
	var s = menuNode[1];
	var d = 0;
	for(var i=0; i<a.length; i++) {
		if(s==a[i]) d = i + 1;
	}
	topMenuOver(d + 1);
}

function topMenuOver(n) {
	topMenuInit();
	var e = n==null ? event.srcElement : topMenus[n-1];
	var es = topMenus;
	var ss = topMenuSubs;
	for(var i=0; i<es.length; i++) {
		if (es[i] != null) { es[i].src = (e==es[i]) ? es[i].img_on : es[i].img_off; }
		if (ss[i] != null) { ss[i].style.display = (e==es[i]) ? 'block' : 'none'; }
	}
}
function topMenuOut(n) {
	return;
	topMenuInit();
	var e = event.srcElement;
	var es = topMenus;
	var ss = topMenuSubs;
	for(var i=0; i<es.length; i++) {
		if(es[i] != null && e==es[i]) { e.src = e.img_off; }
		if(ss[i] != null) { ss[i].style.display = 'none'; }
	}
}

// left menu
function leftMenuOnclick(n) {
	for(var i=1; i<=5; i++) {
		var k = 'left_menu_sub_' + lpad(i, 2, '0');
		var o = document.getElementById(k);
		if(o!=null) o.style.display = n == i ? 'block' : 'none';
	}
}