var menu = new Array("HOME", "/",
                     "基本情報", "",
                     "研究", "",
		     "研究成果", "",
		     "日本のロボット研究", "/jrobres/index-j.html",
		     "学生募集", "/research/newcommer/index.html",
		     "イベント","/event/index.html",
		     "リンク","/library/robot-link.html");

var submenu_link1 = new Array(	"メンバー",
				"問い合わせ先",
				"アクセス");
var submenu_url1 = new Array(	"/member/index.html",
				"/access/contact.html",
				"/access/map.html");

var submenu_link2 = new Array(	"研究紹介",
				"研究設備",
				"研究会・勉強会");
var submenu_url2 = new Array(	"/research/index.html",
				"/research/equipments/index-j.html",
				"/research/newcommer/J-newcommer/study.html");

var submenu_link3 = new Array(	"文献リスト",
				"ビデオライブラリ",
				"マスメディア報道");
var submenu_url3 = new Array(	"/result/paper/index.html",
				"/library/J-video/index.html",
				"/result/paper/papers/article.html");
var intersub = new Array( "Progress Report",
			  "https://robotics.naist.jp/progress_report/index.php3",
			  "サイボウズ",
			  "https://robotics.naist.jp/~cybozu/cgi-bin/cbag/ag.cgi",
			  "RoboticsWiki",
			  "https://robotics.naist.jp/internal/wiki/"
			  );

function show_submenu(smn){
	var submenu="::";
	var menuid = "submenu";
	var showmenu = document.getElementById(menuid);
	hide_submenu();
	if(smn==1){
		for (i=0;i<3;i++) {
			submenu = submenu + "&nbsp;<a href=\"" + submenu_url1[i] +"\">"+submenu_link1[i]+"</a>&nbsp;::";
		}
		showmenu.innerHTML=submenu;
	}
	if(smn==2){
		for (i=0;i<3;i++) {
			submenu = submenu + "&nbsp;<a href=\"" + submenu_url2[i] +"\">"+submenu_link2[i]+"</a>&nbsp;::";
		}
		showmenu.innerHTML=submenu;
	}
	if(smn==3){
		for (i=0;i<3;i++) {
			submenu = submenu + "&nbsp;<a href=\"" + submenu_url3[i] +"\">"+submenu_link3[i]+"</a>&nbsp;::";
		}
		showmenu.innerHTML=submenu;
	}
}

function hide_submenu(){
	var menuid = "submenu";
	var hidemenu = document.getElementById(menuid);
	hidemenu.innerHTML="&nbsp;"
	i = 0;
}


// 旧top navi menu
function page_top_old(sub) {
	//内部リンク
	var html = "<div class=\"internal\">|";
	html += "<a href=\"https://robotics.naist.jp/internal\">内部専用ページ</a>|";
	html += "<a href=\"https://robotics.naist.jp/progress_report/index.php3\">Progress Report</a>|";
	html += "<a href=\"/en\">English<img src=\"/images/usa-flag.gif\"/></a>|</div>";

	//ページのトップメニュー
	html += "<center><table class=\"top\"><tr><td rowspan=\"2\"><img src=\"/images/gear2.gif\"/></td>"
	html += "<td class=\"mainmenu\" valign=bottom>"
	html += "|"
	for(i=0;i<menu.length;i+=2){
		var menuid="top";
		var main_menu = document.getElementById(menuid);
		html += "&nbsp;<a href=\"" + menu[i+1] +"\" onmouseover=\"show_submenu("+(i/2)+")\">" +menu[i]+"</a>&nbsp;|";
	}
	html += "</td></tr><tr><td valign=top id=\"submenu\" class=\"submenu\">&nbsp;</td></tr></table></center>"
	main_menu.innerHTML = html;
	show_submenu(sub);
}


function top_menu(){

	//ページのトップメニュー
        var html="";
	html += "<div class=\"top\"><table class=\"top\"><tr>"
	html += "<td class=\"mainmenu\" valign=bottom>"
	html += "|"
	for(i=0;i<menu.length;i+=2){
		html += "&nbsp;<a href=\"" + menu[i+1] +"\" onmouseover=\"show_submenu("+(i/2)+")\">" +menu[i]+"</a>&nbsp;|";
	}
	html += "</td></tr><tr><td valign=top id=\"submenu\" class=\"submenu\">&nbsp;</td></tr></table></div>"
	return html;
}

function internal_submenu(shflag){
	var isubid="internalsub";
	var isub_menu = document.getElementById(isubid);
	var html="";
	if(shflag){
		html += "<ul type=\"circle\">";
		for(i=0;i<intersub.length;i+=2){
			html += "<li><a href=\"" + intersub[i+1] + "\">"+intersub[i]+"</a></li>";
		}
		html += "<div align=\"right\" width=100\%><a href=\"javascript:internal_submenu(0)\">[close]</a></div>";
		html += "</ul>";
		document.getElementById("internal_link").href="https://robotics.naist.jp/internal";
	}else{
	document.getElementById("internal_link").href="javascript:internal_submenu(1)";
	}
	isub_menu.innerHTML = html;
}

function internal_menu(){
	//内部リンク

	var html="";
	html += "<div class=\"internal\">|";
	//html += "<a href=\"https://robotics.naist.jp/internal\">内部専用ページ</a>|";
	//html += "<a id=\"internal_link\" href=\"javascript:internal_submenu(1)\">Progress Report</a>|";
	html += "<a id=\"internal_link\" href=\"javascript:internal_submenu(1)\">内部専用ページ</a>|";
	html += "<a href=\"/en\">English<img src=\"/images/usa-flag.gif\"/></a>|";
	html += "<p><div class=\"internalsub\" id=\"internalsub\"></div></p></div>";
	return html;
}

function page_top(sub) {
	var menuid="top";
	var main_menu = document.getElementById(menuid);
	var html = "<div class=\"topbg\"></div>";

	html += internal_menu();	//内部リンク

	if(sub!=-1){
		// index.htmlではない場合はnaviメニューを表示する
		html += top_menu();
	}

	main_menu.innerHTML = html;
	if(sub!=-1){
//	show_submenu(sub); //サブメニューは直接表示する。
	show_submenu(0);  //新naviスタイルのため、サブメニューは直接表示しないようにした。
	}
}

function page_bottom() {
	var bottomid="bottom";
	var BOTTOM = document.getElementById(bottomid);
	var bottom_html = "<center><div><table><tr><td width=500px><hr></td><td><img src=\"/images/gear3_30.gif\"/></td></tr></table></div>"
	bottom_html += "<div class=\"bottom\">&#169;Robotics Laboratory<br>";
	bottom_html += "〒630-0192 奈良県 生駒市 高山町 8916-5<br>"
	bottom_html += "<a href=\"http://www.naist.jp\">奈良先端科学技術大学院大学</a>, "
	bottom_html += "<a href=\"http://isw3.naist.jp/home-ja.html\">情報科学研究科</a><br>"
	bottom_html += "Tel: 0743-72-5376, Fax: 0743-72-5379</div></center>"
	BOTTOM.innerHTML = bottom_html;
}

function top_bottom(sub) {
	page_top(sub);
	page_bottom();
}

function getBrowserName()
{
    aName=navigator.appName.toUpperCase();
    if(aName.indexOf("MICROSOFT")>=0) return "IE";
    if(aName.indexOf("NETSCAPE")>=0) return "NS";
    return "";
}