var isNN = (navigator.appName=="Netscape");
var isIE = (navigator.userAgent.indexOf("MSIE")!=-1);
var mac = (navigator.appVersion.indexOf('Mac',0) != -1);
var win = (navigator.appVersion.indexOf('Win',0) != -1);
var ver = (navigator.appVersion.charAt(0));
var browser = navigator.appName;

function disp(parts){
	selectpage=parts.options[parts.selectedIndex].value;
	parent.location=selectpage;
	parts.selectedIndex=selectedPage;
}

function jumpTop(){
	window.location.href = "../main.html";
}
function jumpMoon(){
	window.location.href = "../moon/index.html";
}

//ページトップへ
function topTo() {
if(navigator.appName.charAt(0)=='N'){
	if (window.pageYOffset > 0 ) {scrollTo (0,0);}
	}else if(navigator.appName.charAt(0)=='M'){
	if (document.body.scrollTop > 0 ) {scrollTo (0,0);}
	}
}

//ロールオーバー レイヤー
function chgimage(chglayer,chgimg,filename){
	if(document.all){
		document.all[chglayer].document.images[chgimg].src=filename;
	}else if(document.layers){
		document.layers[chglayer].document.images[chgimg].src=filename;
	}else if(document.getElementById){
		document.images[chgimg].src=filename;
	}
}

//データ先読み(navi用)
function loadimage(){
	var imagelist = new Array();
	for(i = 0; i < preloadImagelist.length ; i++){
		imagelist[i] = new Image();
		imagelist[i].src= + preloadImagelist[i];
	}
}

//ロールオーバー レイヤーなし
function normalRollOver(chgimg,filename){
	if(document.images){
	document.images[chgimg].src = filename;}
}

function chgimageNolayer(chgimg1,chgimg2,filename){
	if(document.images){
	document.images[chgimg1].src = filename;
	document.images[chgimg2].src = filename;}
}

//ロールオーバー フォームMacIEのみ
function chgimageForm(chgimg1,chgimg2,filename){
	if((mac) && (browser=="Microsoft Internet Explorer")){ 
		document.forms[0].elements[chgimg1].src = filename;
		document.forms[0].elements[chgimg2].src = filename;
	}
}

//バックナンバーウィンドウを開く
function openNaviWindow(URL,Winname,Wwidth,Wheight){
	window.open(URL,Winname,"width="+Wwidth+",height="+Wheight+",scrollbars=no,resizable=no,toolbar=no,location=no,directories=no,status=no");
}

//新規のウィンドウを開く-HELP
function openHelpWindow(URL,Winname,Wwidth,Wheight){
	window.open(URL,Winname,"width="+Wwidth+",height="+Wheight+",scrollbars=yes,resizable=yes,toolbar=no,location=no,directories=no,status=no");
}

//新規のウィンドウを開く
function openWindow(URL,Winname,Wwidth,Wheight){
	window.open(URL,Winname,"width="+Wwidth+",height="+Wheight+",scrollbars=no,resizable=no,toolbar=no,location=no,directories=no,status=no");
}

//新規のウィンドウを開く-スクロールバー付き
function openWindowScroll(URL,Winname,Wwidth,Wheight){
	window.open(URL,Winname,"width="+Wwidth+",height="+Wheight+",scrollbars=yes,resizable=yes,toolbar=no,location=no,directories=no,status=no");
}

//NN6対応版
function showLAYER(layName){
	if(document.getElementById) document.getElementById(layName).style.visibility='visible'
	else if(document.layers) document.layers[layName].visibility='show' 
	else if(document.all) document.all(layName).style.visibility='visible'
}
function hideLAYER(layName){
//alert(layName);
	if(document.getElementById) document.getElementById(layName).style.visibility='hidden';
	else if(document.layers) document.layers[layName].visibility="hide";
	else if(document.all) document.all(layName).style.visibility='hidden';
}


//グループ
function showLAYERset(no){
	for(i=0;i<arguments.length;i++){
		showLAYER('layer'+arguments[i])
	}
}
function hideLAYERset(no){
	for(i=0;i<arguments.length;i++){
		hideLAYER('layer'+arguments[i])
	}
}