/*▼CSSハック用*/
/* ----------------------------------------------------- */
var css_browser_selector = function() {
	var 
		ua=navigator.userAgent.toLowerCase(),
		is=function(t){ return ua.indexOf(t) != -1; },
		h=document.getElementsByTagName('html')[0],
		b=(!(/opera|webtv/i.test(ua))&&/msie (\d)/.test(ua))?('ie ie'+RegExp.$1):is('gecko/')? 'gecko':is('opera/9')?'opera opera9':/opera (\d)/.test(ua)?'opera opera'+RegExp.$1:is('konqueror')?'konqueror':is('applewebkit/')?'webkit safari':is('mozilla/')?'gecko':'',
		os=(is('x11')||is('linux'))?' linux':is('mac')?' mac':is('win')?' win':'';
	var c=b+os+' js';
	h.className += h.className?' '+c:c;
}();

/*-- マウスオーバー用 --*/
/* ----------------------------------------------------- */
function initRollovers() {
	if (!document.getElementById) return
	
	var aPreLoad = new Array();
	var sTempSrc;
	var aImages = document.getElementsByTagName('img');

	for (var i = 0; i < aImages.length; i++) {		
		if (aImages[i].className == 'imgover') {
			var src = aImages[i].getAttribute('src');
			var ftype = src.substring(src.lastIndexOf('.'), src.length);
			var hsrc = src.replace(ftype, '_ov'+ftype);

			aImages[i].setAttribute('hsrc', hsrc);
			
			aPreLoad[i] = new Image();
			aPreLoad[i].src = hsrc;
			
			aImages[i].onmouseover = function() {
				sTempSrc = this.getAttribute('src');
				this.setAttribute('src', this.getAttribute('hsrc'));
			}	
			
			aImages[i].onmouseout = function() {
				if (!sTempSrc) sTempSrc = this.getAttribute('src').replace('_ov'+ftype, ftype);
				this.setAttribute('src', sTempSrc);
			}
		}
	}
}

//window.onload = initRollovers;

/*-- dropmenu_script --*/
/* ----------------------------------------------------- */

var TimeOut         = 280;
var currentLayer    = null;
var currentitem     = null;
var currentLayerNum = 0;
var noClose         = 0;
var closeTimer      = null;

function mopen(n){

	var l  = document.getElementById("menu"+n);
	var mm = document.getElementById("mmenu"+n);
	
	if(l){
		mcancelclosetime();
		l.style.visibility='visible';
		if(currentLayer && (currentLayerNum != n)){
	 	 	currentLayer.style.visibility='hidden';
		}
		currentLayer = l;
		currentitem = mm;
		currentLayerNum = n;			
	}
	else if(currentLayer){
		currentLayer.style.visibility='hidden';
		currentLayerNum = 0;
		currentitem = null;
		currentLayer = null;
	}
}

function mclosetime(){
	closeTimer = window.setTimeout(mclose, TimeOut);
}

function mcancelclosetime(){
	if(closeTimer){
		window.clearTimeout(closeTimer);
		closeTimer = null;
	}
}

function mclose(){
	if(currentLayer && noClose!=1){
		currentLayer.style.visibility='hidden';
		currentLayerNum = 0;
		currentLayer = null;
		currentitem = null;
	}
	else{
		noClose = 0;
	}
	currentLayer = null;
	currentitem = null;
}

document.onclick = mclose; 

/*add script*/
function pulldownlist(){
	var mmenu = document.getElementById("mmenu");
	if(!mmenu)return
	mmenu.onmouseover = function() {
		mopen(1);	
	}
	mmenu.onmouseout = function() {
		mclosetime();
	}	
}

function subpulldownlist(){
	var menu1 = document.getElementById("menu1");
	if(!menu1)return
	menu1.onmouseover = function() {
		mcancelclosetime();
	}
	menu1.onmouseout = function() {
		mclosetime();
	}	
}

/*-- onload --*/
/* ----------------------------------------------------- */
window.onload = function() {
	pulldownlist();
	subpulldownlist();
	initRollovers();
}