var tid;
var flag = false;

/*document.createStyleSheet("nonoa.css");*/

/*alert(navigator.userAgent);*/
var aName = navigator.userAgent;
var bName = "";
if (aName.indexOf("MSIE") > -1) bName = "ie.css";
if (aName.indexOf("Gecko/") > -1) bName = "nn.css";
document.write("<link rel='stylesheet' href='"+bName+"' type='text/css'/>");
//document.close();



function ShowTime()
{
	//変数宣言
	var dtNow = new Date;
	var strHour;
	var strMinutes;
	var strSeconds;
        var strYoubi;
	var strTime;

	//時分秒を取得
	strHour = dtNow.getHours();
	strMinutes = dtNow.getMinutes();
	strSeconds = dtNow.getSeconds();
        //曜日を取得(土曜日は6)
        strYoubi = dtNow.getDay();    

	//2桁に揃えておく
	if (strHour < 10)
	{
		strHour = "0" + strHour;
	}
	if (strMinutes < 10)
	{
		strMinutes = "0" + strMinutes;
	}
	if (strSeconds < 10)
	{
		strSeconds = "0" + strSeconds;
	}
	
	//現在の時刻
	strTime = String(strHour) + String(strMinutes) ;

	//土曜日かつ23:30〜23:59の間は動画画面を表示
        if(strYoubi == 6){
		if( strTime >= 2330 && strTime <= 2359){
			//表示
			if (flag == false){
				document.createStyleSheet("oa.css");
				flag = true;
			}
		}else{
			if (flag == true){
				document.createStyleSheet("nonoa.css");
				flag = false;
			}
		}
	}else{
		document.createStyleSheet("nonoa.css");
		flag = false;
	}

	//タイマーを開始
	tid=setTimeout("ShowTime()", 5 * 1000);

}