/* CSS change *//* CSS change */
var ua;
var ua = navigator.userAgent

if(ua.indexOf("MSIE 6",0)>=0){
	document.write('<link rel="stylesheet" type="text/css" href="' + directory + 'common/css/ie.css">');
}
else if(ua.indexOf("MSIE 5",0)>=0){
	document.write('<link rel="stylesheet" type="text/css" href="' + directory + 'common/css/ie.css">');
}
else if(ua.indexOf("MSIE 4",0)>=0){
	document.write('<link rel="stylesheet" type="text/css" href="' + directory + 'common/css/ie.css">');
}
else if(ua.indexOf("MSIE 7",0)>=0){
	document.write('<link rel="stylesheet" type="text/css" href="' + directory + 'common/css/ie.css">');
}
else if(ua.indexOf("MSIE 8",0)>=0){
	document.write('<link rel="stylesheet" type="text/css" href="' + directory + 'common/css/ie.css">');
}
else if(ua.indexOf("Mozilla/4",0)>=0){
	document.write('<link rel="stylesheet" type="text/css" href="' + directory + 'common/css/nn.css">');
}
else{
	document.write('<link rel="stylesheet" type="text/css" href="' + directory + 'common/css/ff.css">');
}




/* rollover */
if(navigator.appVersion.charAt(0) >=3){
	var mainmenuimg = new Array();
	var submenuimg = new Array();
	
	for( i = 0 ; i < 10 ; i++ ){
		mainmenuimg[i] = new Image();
	}
	for( i = 0 ; i < 8 ; i++ ){
		submenuimg[i] = new Image();
	}
	
	mainmenuimg[0].src= directory + "common/images/mn_home_off.gif";
	mainmenuimg[1].src= directory + "common/images/mn_home_on.gif";
	mainmenuimg[2].src= directory + "common/images/mn_event_off.gif";
	mainmenuimg[3].src= directory + "common/images/mn_event_on.gif";
	mainmenuimg[4].src= directory + "common/images/mn_guide_off.gif";
	mainmenuimg[5].src= directory + "common/images/mn_guide_on.gif";
	mainmenuimg[6].src= directory + "common/images/mn_plaza_off.gif";
	mainmenuimg[7].src= directory + "common/images/mn_plaza_on.gif";
	mainmenuimg[8].src= directory + "common/images/mn_access_off.gif";
	mainmenuimg[9].src= directory + "common/images/mn_access_on.gif";
	
	submenuimg[0].src= directory + "common/images/sn_facilities_off.gif";
	submenuimg[1].src= directory + "common/images/sn_facilities_on.gif";
	submenuimg[2].src= directory + "common/images/sn_experiment_off.gif";
	submenuimg[3].src= directory + "common/images/sn_experiment_on.gif";
	submenuimg[4].src= directory + "common/images/sn_other_off.gif";
	submenuimg[5].src= directory + "common/images/sn_other_on.gif";
	submenuimg[6].src= directory + "common/images/sn_guidetop_off.gif";
	submenuimg[7].src= directory + "common/images/sn_guidetop_on.gif";
}

/* main menu */
function mainmenu(dim,cnt){
	if(navigator.appVersion.charAt(0) >= 3 ){
		document.images[dim].src=mainmenuimg[cnt].src;
	}
}
/* sab menu */
function submenu(dim,cnt){
	if(navigator.appVersion.charAt(0) >= 3 ){
		document.images[dim].src=submenuimg[cnt].src;
	}
}


/* print page */
function PrintPage(){
	if(document.getElementById || document.layers){
		window.print();
	}
}

/* new window */
var NewWin=null;
function openwindow1(src, winName, wid, hi){
	NewWin=window.open(src,winName,'toolbar=yes,location=no,directories=no,status=no,menubar=yes,scrollbars=yes,resizable=yes,copyhistory=no,width='+wid+',height='+hi+'');
}

/* new window */
var NewWin=null;
function openwindow2(src, winName, wid, hi){
	NewWin=window.open(src,winName,'toolbar=no,location=no,directories=no,status=no,menubar=yes,scrollbars=no,resizable=no,copyhistory=no,width='+wid+',height='+hi+'');
}

/* exhibit detail */
var NewWin=null;
function exhibit_detail(src, winName){
	NewWin=window.open(src,winName,'toolbar=no,location=no,directories=no,status=yes,menubar=yes,scrollbars=yes,resizable=yes,copyhistory=no,width=680,height=600');
}


/* subnavi change */
var did = new Array();
var dno = 3;

for( i = 1 ; i <= dno ; i++ ){
	did[i] = "submenuarea0" + i;
}

function submenushow(dn){
	if ( navigator.appName!="Netscape" ) {
		for( i = 1 ; i <= dno ; i++ ){
			document.getElementById(did[i]).style.display = "none";
		}
		document.getElementById(did[dn]).style.display = "block";
	}
}