function  reload_again(){
        sday = new Date();
        sday.setTime(sday.getTime()+3*1000);   //3秒後に消滅する
        s2day = sday.toGMTString();
	gkeyword='ch_check';
        kdata=sday.getDate()+'日'+sday.getHours()+':'+sday.getMinutes()+':'+sday.getSeconds();//現在時刻	
        document.cookie =gkeyword + '=' + escape(kdata) + ';expires=' + s2day;              //書込み
	gdata='';
	gcookie=document.cookie + ';';
	start = gcookie.indexOf(gkeyword+'='); 
    	if (start == -1)
    	{       //読めなかったので１５分モードへ
    		tm1=setTimeout('location.reload()',900000);
    		return '15min entry (can not read)';
	}
	//ch_checkで読めた事は読めたが..
        end = gcookie.indexOf(';', start);
        gdata = unescape(gcookie.substring(start + gkeyword.length +1, end));
	if (kdata!=gdata)
    	{       //読めたが内容が違っているので１５分モードへ
    		tm1=setTimeout('location.reload()',900000);
    		return '15min entry (not equal) WR='+ kdata + '  RD=' + gdata ;
	}
	//cookieは使用可能と判断し本番へ
    	keyword = 'impulse';
    	kdata='';
    	scookie = document.cookie + ';';
    	start = scookie.indexOf(keyword+'='); 
    	if (start != -1)   //先に書いたimpulseはいるかチエック
    	{       //先のデータあった
        	end = scookie.indexOf(';', start);
        	kdata = unescape(scookie.substring(start + keyword.length, end));
        	return (kdata);
    	}else	{
		//先のデータなし（初回だった）
        	sday = new Date();
        	sday.setTime(sday.getTime() + ( 1000 * 60 * 60 * 24));
        	//sday.setTime(sday.getTime() +20*1000);                                   //forDBG
        	kdata=sday.getDate()+'日'+sday.getHours()+':'+sday.getMinutes()+':'+sday.getSeconds();
        	s2day = sday.toGMTString();
        	document.cookie = keyword + '=' + escape(kdata) + ';expires=' + s2day;
        	location.reload();
        	}
}
function CookieDelete(){  document.cookie = 'impulse' + '=;expires=Thu,01-Jan-70 00:00:01 GMT';}