var plaWin = (navigator.userAgent.indexOf("Win") >= 0);
	if (plaWin) {
		if (navigator.appName.charAt(0)=="M") {
			document.write('<link rel="stylesheet" href="css/style_wi.css" type="text/css">');
		} else {
			document.write('<link rel="stylesheet" href="css/style_wn.css" type="text/css">');
		}
	} else {
		document.write('<link rel="stylesheet" href="css/style_m.css" type="text/css">');
	}
	
	var imageDir = "images/";
	var preLoadList;
	var loadFin = "false";

	function over(arg){
		if (loadFin == "true"){
			temp = "document."+ arg +".src='images/"+ arg +"b.gif'";
			eval(temp);
		}
	}

	function out(arg){
		if (loadFin == "true"){
			temp = "document."+ arg +".src='images/"+ arg +".gif'";
			eval(temp);
		}
	}
	
	function preLoad(){
		preLoadList = new Array(
			"enterb.gif",
			"getb.gif",
			"oricob.gif"
		);
		onImages = new Array();
		for(field in preLoadList){
			onImages[field] = new Image();
			onImages[field].src = imageDir + preLoadList[field];
		}
	loadFin = "true";
	}
	
	function openContent(){
		subWidth = 780;
		subHeight = 500;
		posix = (screen.availWidth - subWidth) / 2;
		posiy = (screen.availHeight - subHeight) / 2 - subHeight * 0.07;
		subWin=window.open("contents.html","newwindow","menubar=0,scrollbars=0,toolbar=0,resizable=0,status=0,width=" + subWidth + ",height=" + subHeight);
		subWin.moveTo(posix,posiy);
	}
	
	function openEnglish(){
		subWidth = 780;
		subHeight = 500;
		posix = (screen.availWidth - subWidth) / 2;
		posiy = (screen.availHeight - subHeight) / 2 - subHeight * 0.07;
		subWin=window.open("english/index.html","newwindow","menubar=0,scrollbars=1,toolbar=0,resizable=0,status=1,width=" + subWidth + ",height=" + subHeight);
		subWin.moveTo(posix,posiy);
		if(!plaWin && navigator.appName.charAt(0)=="M"){
			subWin.resizeTo(subWidth,515);
		}
	}
	
	function openOrico(){
		if(plaWin){
			subWidth = 416;
			subHeight = 600;
		}else{
			subWidth = 400;
			subHeight = 600;
		}
		subWin=window.open("orico/index.html","orico","menubar=0,scrollbars=1,toolbar=0,resizable=0,status=1,width=" + subWidth + ",height=" + subHeight);
	}