//COPYRIGHT
function Copyright(n){
	var m;
	var d = new Date();
	if(n==0){
		m='';
	} else if(n==1) {
		m='../';
	} else if(n==2) {
		m='../../';
	}
	var copytxt = 'ALL RIGHTS RESERVED © '+ d.getFullYear() +' IZU PHOTO MUSEUM';
	document.write('<img src="'+m+'img/copy'+ d.getFullYear() +'.gif" width="264" height="8" alt="'+copytxt+'" title="'+copytxt+'">');
}

//GLOBAL NAVI & PULL DOWN MENU
//PullDownMenu(階層,ナビ番号)
function PullDownMenu(dir,navi){
	var allnavi = 8;	//ナビ総数
	var Path;
	var Now = new Array(allnavi);
	if(dir==0){
		Path = '';
	}else if(dir==1){
		Path = '../';
	}else if(dir==2){
		Path = '../../';
	}
	for(i=1;i<=allnavi;i++){
		Now[i] = '';
		if(i==navi){
			Now[i] = ' class="now"';
		}
	}
	

	document.write('<div id="gnavi">');
	document.write('<div id="gnavi_box">');
	document.write('<div><a href="javascript:void(0);" id="navi1"'+Now[1]+' onMouseOver="MM_showHideLayers(\'pull1\',\'\',\'show\')" onMouseOut="MM_showHideLayers(\'pull1\',\'\',\'hide\')">News</a></div><!--');
	document.write('--><div><a href="'+Path+'museum/index.html" id="navi2"'+Now[2]+'>About Us</a></div><!--');
	document.write('--><div><a href="'+Path+'architecture/index.html" id="navi3"'+Now[3]+'>Building</a></div><!--');
	document.write('--><div><a href="'+Path+'guide/index.html" id="navi4"'+Now[4]+'>Visit Us</a></div><!--');
	document.write('--><div><a href="'+Path+'access/index.html" id="navi5"'+Now[5]+'>Access</a></div><!--');
	document.write('--><div><a href="javascript:void(0);" id="navi6"'+Now[6]+' onMouseOver="MM_showHideLayers(\'pull6\',\'\',\'show\')" onMouseOut="MM_showHideLayers(\'pull6\',\'\',\'hide\')">Exhibitions</a></div><!--');
	//document.write('--><div><a href="'+Path+'exhibition/next.html" id="navi6"'+Now[6]+'>Exhibitions</a></div><!--');
	document.write('--><div><a href="javascript:void(0);" id="navi7"'+Now[7]+' onMouseOver="MM_showHideLayers(\'pull7\',\'\',\'show\')" onMouseOut="MM_showHideLayers(\'pull7\',\'\',\'hide\')">Events</a></div><!--');
	//document.write('--><div><a href="'+Path+'event/index.html" id="navi7"'+Now[7]+'>Events</a></div><!--');
	document.write('--><div><a href="'+Path+'shop/index.php" id="navi8"'+Now[8]+'>Shop</a></div><!--');
	document.write('--></div>');
	document.write('</div>');

	document.write('<div id="pull1" onMouseOver="MM_showHideLayers(\'pull1\',\'\',\'show\')" onMouseOut="MM_showHideLayers(\'pull1\',\'\',\'hide\')">');
	document.write('<div><a href="'+Path+'news/index.php" class="sub1">News</a></div>');
	document.write('<div><a href="'+Path+'news/release.php" class="sub2">Press Releases</a></div>');
	document.write('</div>');

	document.write('<div id="pull6" onMouseOver="MM_showHideLayers(\'pull6\',\'\',\'show\')" onMouseOut="MM_showHideLayers(\'pull6\',\'\',\'hide\')">');
	document.write('<div><a href="'+Path+'exhibition/index.php" class="sub1">On View Now</a></div>');
	document.write('<div><a href="'+Path+'exhibition/next.php" class="sub2">Future Exhibitions</a></div>');
	document.write('<div><a href="'+Path+'exhibition/past.php" class="sub3">Past Exhibitions</a></div>');
	document.write('</div>');

	document.write('<div id="pull7" onMouseOver="MM_showHideLayers(\'pull7\',\'\',\'show\')" onMouseOut="MM_showHideLayers(\'pull7\',\'\',\'hide\')">');
	document.write('<div><a href="'+Path+'event/index.php" class="sub1">Upcoming Events</a></div>');
	document.write('<div><a href="'+Path+'event/past.php" class="sub2">Past Events</a></div>');
	document.write('</div>');

}

function MM_findObj(n, d) {
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_showHideLayers() {
  var i,p,v,obj,args=MM_showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj(args[i]))!=null) { v=args[i+2];
    if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v=='hide')?'hidden':v; }
    obj.visibility=v; }
}

//新規ウインドウ（サイズ変更可能）
function newWin(url, w, h){
	window.open(url, "window2", "toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=yes,width=" + w + ",height=" + h);
}

//展覧会ページナビ＆タイトル画像----開催中/次回/過去
var today = new Date();
var todayStr = String(today.getFullYear()) + Day2keta(today.getMonth()+1) + Day2keta(today.getDate());
function Day2keta(num){
	var renum = num;
	if(num < 10){
		renum = '0' + renum;
	}
	return String(renum);
}
function subTitle(){
	var todayNum = Number(todayStr);
	if(todayNum <= endDay){
		if(todayNum >= startDay){
			document.write('<img src="img/sub_now.gif" width="105" height="22" alt="On View Now">');
			setElementClassById("sub_navi1", "now");
		} else {
			document.write('<img src="img/sub_next.gif" width="145" height="22" alt="Future Exhibitions">');
			setElementClassById("sub_navi2", "now");
		}
	} else {
		document.write('<img src="img/sub_past.gif" width="125" height="22" alt="Past Exhibitions">');
		setElementClassById("sub_navi3", "now");
	}
	//document.write('todayStr=' + todayStr + '<br>');
}
function setElementClassById(elem, value) {
	if(document.getElementById) {
		var obj = document.getElementById(elem);
		if(obj) {
			obj.className = value;
		}
	}
}
function eventSubNavi(){
	var todayNum = Number(todayStr);
	if(todayNum <= endDay){
		setElementClassById("sub_navi1", "now");
	} else {
		setElementClassById("sub_navi2", "now");
	}
}