var BtnArray = new Array();
var css_file;
var font_size;
var css_link;

function Init(){
	font_size = new Array("s","m","l");
	css_link = $('fontCSS');

	rollOver();
	if($('fontSbtn')){
		var fsize = GetCookie('fsize');
		ChgFontSize();
		if(fsize){
			css_link.href = "/common/css/font_"+fsize+".css";
			ChgIcon(fsize);
		}else{
			ChgIcon("m");
		}
	}
}


/*
　画像ロールオーバー関数
　imgタグのclass指定に「rollover」を指定した画像にロールオーバー機能を付加
　マウスオンの画像は拡張子の前に「_ov」を付加
　例：通常画像＝navi.gif　マウスオン画像＝navi_ov.gif
*/
function rollOver(){
	var rollImg = $A(document.getElementsByClassName('rollover'));
	rollImg.each(
		function(obj){
			obj.orgsrc = obj.src;
			obj.ovsrc = obj.orgsrc.replace(/(\.gif|\.jpg|\.png)$/,'_ov'+"$1");
			obj.onmouseover = function(){
				this.src = this.ovsrc;
			};
			obj.onmouseout = function(){
				this.src = this.orgsrc;
			};
		}
	);
}

function ChgFontSize(){
	BtnArray.push($('fontSbtn'));
	BtnArray.push($('fontMbtn'));
	BtnArray.push($('fontLbtn'));
	var len=BtnArray.length;

	for(var i=0;i<len;i++){
		BtnArray[i].font_size = font_size[i];
		BtnArray[i].orgsrc = BtnArray[i].src;
		BtnArray[i].nowsrc = BtnArray[i].src;
		BtnArray[i].onsrc = BtnArray[i].orgsrc.replace(/(\.gif|\.jpg|\.png)$/,'_on'+"$1");
		BtnArray[i].ovsrc = BtnArray[i].orgsrc.replace(/(\.gif|\.jpg|\.png)$/,'_ov'+"$1");
		BtnArray[i].onclick = function(){
			ChgIcon(this.font_size);
			css_link.href = "/common/css/font_"+this.font_size+".css";
			SetCookie('fsize',this.font_size)
		}
		BtnArray[i].onmouseover = function(){
			this.src = this.ovsrc;
		}
		BtnArray[i].onmouseout = function(){
			this.src = this.nowsrc;
		}
	}
}

function ChgIcon(size){
	var len = BtnArray.length;
	for(var i=0;i<len;i++){
		if(BtnArray[i].font_size == size){
			BtnArray[i].nowsrc = BtnArray[i].onsrc;
		}else{
			BtnArray[i].nowsrc = BtnArray[i].orgsrc;
		}
		BtnArray[i].src = BtnArray[i].nowsrc;
	}
}

function SetCookie(key,val){
	var tmp = key + "=" + escape(val) + ";";
	tmp += "path=/; ";
	document.cookie = tmp;
}

function GetCookie(key){
	cookie = document.cookie;
	var tmp = cookie.split(";");
	for(i=0;i<tmp.length;i++){
		tmp2 = tmp[i].split("=");
		if(key == tmp2[0]){
			return tmp2[1];
			break;
		}
	}
}

function ClearCookie(key){
	document.cookie = key + "=" + "xx; expires=Tue, 1-Jan-1980 00:00:00;";
}

window.onload = Init;


/*
　開閉式メニュー
*/

/*
This work is licensed under the Creative Commons Attribution-Share Alike 2.1 Japan License. To view a copy of this license, visit http://creativecommons.org/licenses/by-sa/2.1/jp/ or send a letter to Creative Commons, 543 Howard Street, 5th Floor, San Francisco, California, 94105, USA.
Copyright (c) 2006 firstAudience.com (Keisuke Nakayama) All Rights Reserved.
*/


/*----- user setting -----*/


var section_label = [".nav_sec"];
var section_style = [""];

var target_label = ["nav_"];
var target_style = [""];
var target_bg_hide = ["/common/images/lmenu_icon_depth2.gif"];
var target_bg_show = ["/common/images/lmenu_icon_depth2.gif"];

var browser_disable = "Your Browser is Not Supported.";


/*----- user setting -----*/


function preload(imgURL) {
	preImg = new Image();
	preImg.src=imgURL;
}
for (var i=0; i<target_bg_show.length; i++) {
	imgURL = target_bg_show[i];
	preload(imgURL);
}

document.write("<style type='text/css'>");
for (var i=0; i<target_label.length; i++) {
	document.write(section_label[i]+" { "+section_style[i]+" }");
	document.write(section_label[i]+" a{ "+target_style[i]+" }");
}
document.write("</style>");

function showHide(e){
	var target_node;
	if(e.target) {
		target_node = e.target;
		} else { target_node = e.srcElement;
		}

	if( navigator.userAgent.indexOf("Safari/1", 0) >= 0 || navigator.userAgent.indexOf("Safari/3", 0) >= 0){
		target_node = e.target.parentNode;
		}
	var target_id = target_node.getAttribute("id") , block_id = target_id + "_block", block = document.getElementById(block_id);
	var show = target_node["s_h"];
	if(show==undefined){show=false;}
	var i = target_node["tmp_i"];
	if(show) {
		target_node.style.backgroundImage = "url('"+target_bg_hide[i]+"')";
		block.style.display = "none";
	} else {
		target_node.style.backgroundImage = "url('"+target_bg_show[i]+"')";
		block.style.display = "block";
	}
	target_node["s_h"] = ! show;
}

function setListeners(e) {
	var aTag = document.getElementsByTagName("a");
	for (var i=0; i<target_label.length; i++) {
		for (var j=0; j<aTag.length; j++) {
			var listener_node = aTag[j];
			var _id = aTag[j].getAttribute("id");
			if( _id == null ) continue;
			if( _id.indexOf(target_label[i]) >= 0 ) {
				listener_node.setAttribute("href","javascript:void(0)");
				listener_node["tmp_i"] = i;
				addListener(listener_node,'click',showHide,false);
				var block_id = _id + "_block", block = document.getElementById(block_id);
				block.style.display ="none";
				listener_node.style.backgroundImage = "url('"+target_bg_hide[i]+"')";
			}
		}
	}
}

function addListener(elem,eventType,func,cap) {
	if(elem.addEventListener) {
		elem.addEventListener(eventType,func,cap);
	} else if(elem.attachEvent) {
		elem.attachEvent('on' + eventType,func);
	} else {
		alert(browser_disable);
		return false;
	}
}

addListener(window,'load',setListeners,false);