// JavaScript Document


var menu1=new Array();

var li1=new Array();


//----
menu1[0]="1999";li1[0]="1999.html";
menu1[1]="1998";li1[1]="1998.html";
menu1[2]="1997";li1[2]="1997.html";
menu1[3]="1996";li1[3]="1996.html";
menu1[4]="1995";li1[4]="1995.html";
menu1[5]="1994";li1[5]="1994.html";


var ctg_length = 1;


function init() {

	for (i=0; i<ctg_length; i++) {
	
		var btn_num = i+1;
		mlen=eval("menu"+btn_num+".length"); 
		
		var menu_ctg = document.createElement("ul");
		menu_ctg.setAttribute("id","child_menu"+btn_num);
		menu_ctg.setAttribute("class","child");
		menu_ctg.setAttribute("className","child");

		for (n=0; n<mlen; n++) {
			var menu_txt = eval("menu"+btn_num+"[n]");
			var menu_link = eval("li"+btn_num+"[n]");
			
			var menu_list = document.createElement("li");
			var menu_list_link = document.createElement("a");
			menu_list_link.setAttribute("href",menu_link);
			var menu_list_span = document.createElement("span");
			var link_txt = document.createTextNode(menu_txt);
			
			menu_list_span.appendChild(link_txt);
			menu_list_link.appendChild(menu_list_span);
			menu_list.appendChild(menu_list_link);
			menu_ctg.appendChild(menu_list);
		}
		
		var menu_area = document.getElementById("menu"+btn_num);
		menu_area.appendChild(menu_ctg);
	}
}


function menu(host_object_id, visible_object_id, visible_flag){
	if(document.getElementById){
		var visible_object = document.getElementById(visible_object_id);
		var host_object = document.getElementById(host_object_id);
		var a_tag = host_object.getElementsByTagName("a");
	}

	if(visible_flag=='show'){
		if(document.getElementById){
			visible_object.style.visibility="visible";
			a_tag[0].setAttribute("class","on_mouse");
			a_tag[0].setAttribute("className","on_mouse");
		}
	}
	else if(visible_flag=='hide'){
		if(document.getElementById){
			visible_object.style.visibility="hidden";
			a_tag[0].setAttribute("class","");
			a_tag[0].setAttribute("className","");
		}
	}
}


//
function setEvents() {
	for(i=1;i<ctg_length+1;i++){
	Set_PopUpMenu(i);
	}
}

//ポップアップメニューのイベントをセットする関数
function Set_PopUpMenu(i){
	var menuHost = "menu"+i;
	var ch_menuHost = "child_"+menuHost;
	var menu_target = document.getElementById(menuHost);	
	menu_target.onmouseover = function(){menu(menuHost, ch_menuHost,'show');}
	menu_target.onmouseout = function(){menu(menuHost, ch_menuHost,'hide');}	
}



//ロードイベントを順番に実行する関数
function addLoadEvent(func) {
	var oldonload = window.onload;
	if (typeof window.onload != 'function') {
		window.onload = func;
		}
	else {
		window.onload = function() {
		oldonload();
		func(); 
		}
	}
}


//ロードイベント発生
addLoadEvent(init);
addLoadEvent(setEvents);