function koyomi(){
	dat = new Date();
	da1 = dat.getYear();
	da2 = dat.getMonth();
	da3 = dat.getDate();
	da4 = dat.getDay();
	haikei = "#000000";		//背景色を指定する
	toujitu = "#ff8040";		//今日の日付色を指定する
	heijitu = "#ffffff";		//平日色を指定する
	poinnto = 1;			//表示文字サイズを指定する
	b_niti = "#ff0000";		//日曜日の文字色を指定する
	b_getu = "#ffff00";		//月〜金曜日の文字色を指定する
	b_doyo = "#0080ff";		//土曜日の文字色を指定する	

	to_iro = '<FONT SIZE=' + poinnto + ' color=' + toujitu + '>';
	he_iro = '<FONT SIZE=' + poinnto + ' color=' + heijitu + '>';
	hajime = '<TABLE BORDER="1" CELLSPACING="0" bgcolor="' + haikei + '">';

	iro = '<TD><B>' + to_iro + da3 + '</B></FONT></TD>';
	tome = "</TR></TABLE>";
	tuki = da2 + 1;
	if (da1 < 2000){
		da1 = da1 + 1900;
	}
	niti = new Array(31,28,31,30,31,30,31,31,30,31,30,31);
	if (da1 % 4 == 0){
		niti[1] = 29;
	}
	kaisuu = niti[da2];

	ha = new Array();
	for (i = 1;i <= kaisuu;i++){
		ha[i] = "<TD><B>" + he_iro + i + "</B></TD>";
	}
	ha[da3] = iro;

	dat.setDate(1);
	tuitati = dat.getDay();

	mae = '<TR align="center">';
	for (y = 1;y <= tuitati;y++){
		mae = mae + "<TD></TD>";
	}
	for (k = 7 - tuitati;k <=kaisuu;k = k + 7){
		ha[k] = ha[k] + '</TR><TR align="center">';
	}

	hyouji = mae;
	for (j = 1;j <= kaisuu;j++){
		hyouji = hyouji + ha[j];
	}

	youbimoji = "<TR><TH><FONT SIZE=" + poinnto + " color=" + b_niti + ">日</TH><TH><FONT SIZE=" + poinnto + " color=" + b_getu + ">月</TH><TH><FONT SIZE=" + poinnto + " color=" + b_getu + ">火</TH><TH><FONT SIZE=" + poinnto + " color=" + b_getu + ">水</TH><TH><FONT SIZE=" + poinnto + " color=" + b_getu + ">木</TH><TH><FONT SIZE=" + poinnto + " color=" + b_getu + ">金</TH><TH><FONT SIZE=" + poinnto + " color=" + b_doyo + ">土</TH></TR>";
	saisyuu1 = hajime + "<TR align='center' bgcolor='#2F4F4F'><TD colspan='7'><B><FONT size=2 color= #FFFFFF>" + da1 + "　<FONT size=2>" + tuki + "<FONT size=2>月</B><BR></FONT></TD></TR>";
	saisyuu2 = youbimoji + hyouji + tome;
	document.write(saisyuu1);
	document.write(saisyuu2);
}
