// JavaScript Document

// クラス名付加共通パーツ
function addActive(uri,len,links){
	for( var i=0; i<len; i++){
		if(links[i].href == uri){
			var parentObj= links[i].parentNode;
			if(parentObj.getAttribute("class")){
				var oldClass = parentObj.getAttribute("class")
				parentObj.setAttribute( "class", "active " + oldClass);
			}
			else if(parentObj.getAttribute("className")){
				var oldClass = parentObj.getAttribute("className")
				parentObj.setAttribute("className", "active " + oldClass);
			}
		}
	}
}

// サブメニュー用
function addActiveURI(){
	if (!document.getElementsByTagName){
		return;
	}
	var sMenu = document.getElementById("sidemenu");
	if(!sMenu){
		return;
	}
	var uri = location.href.split('#')[0];
	var sLinks = sMenu.getElementsByTagName("a");
	addActive( uri,sLinks. length, sLinks );
}

// グローバルメニュー用
function addActiveGlobal(){
	if (!document.getElementsByTagName){
		return;
	}
	var gMenu = document.getElementById("global");
	if(!gMenu){
		return;
	}
	var uri = location.href.split('#')[0];
	// index.html等ファイル名を無視する
	var file= uri.substring(uri.lastIndexOf('/',uri.length)+1,uri.length);
	if(file.length>0){
		uri = uri.split(file)[0];
	}
	var gLinks = gMenu.getElementsByTagName("a");
	addActive(uri,gLinks.length, gLinks);
}

function addEvent(elm, evType, fn, useCapture) {
	if (elm.addEventListener) {
		elm.addEventListener(evType, fn, useCapture);
		return true;
	}
	else if (elm.attachEvent) {
		var r = elm.attachEvent('on' + evType, fn);
		return r;
	}
	else {
		elm['on' + evType] = fn;
	}
}

addEvent(window,'load',addActiveGlobal,false);
addEvent(window,'load',addActiveURI,false);