// Select Css
var mac = (navigator.appVersion.indexOf('Mac',0) != -1);
var win = (navigator.appVersion.indexOf('Win',0) != -1);
var browser = navigator.appName;
if ((mac) && (browser=="Gecko/")){
	document.write ('<link rel="stylesheet" type="text/css" href="css/macNN.css">');
}else if ((mac) && (browser=="Microsoft Internet Explorer")){
	document.write ('<link rel="stylesheet" type="text/css" href="css/macIE.css">');
}else if ((mac) && (browser=="Safari")){
	document.write ('<link rel="stylesheet" type="text/css" href="css/macSA.css">');
}else if ((win) && (browser=="Gecko/")){
	document.write ('<link rel="stylesheet" type="text/css" href="css/winNN.css">');
}else if ((win) && (browser=="Microsoft Internet Explorer")){
	document.write ('<link rel="stylesheet" type="text/css" href="css/winIE.css">');
}else {
	document.write ('<link rel="stylesheet" type="text/css" href="css/macSA.css">');
}

//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){
	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 hideLAYERset(no){
	for(i=0;i<arguments.length;i++){
		hideLAYER('sam'+arguments[i])
	}
}

function normalRollOver(chgimg,filename){
	if(document.images){
	document.images[chgimg].src = filename;}
}