function monthly_graphics () {

		var	date	= new Date();
		var	month	= date.getMonth();

		var	graphic_dat	= new Array(12);
		var	graphic_width	= new Array(12);
		var	graphic_height	= new Array(12);

		// 1 月
		graphic_dat[0]		= "img/season/01.jpg";
		graphic_width[0]	= "160";
		graphic_height[0]	= "305";
		// 2 月
		graphic_dat[1]		= "img/season/02.jpg";
		graphic_width[1]	= "160";
		graphic_height[1]	= "305";
		// 3 月
		graphic_dat[2]		= "img/season/03.jpg";
		graphic_width[2]	= "160";
		graphic_height[2]	= "305";
		// 4 月
		graphic_dat[3]		= "img/season/04.jpg";
		graphic_width[3]	= "160";
		graphic_height[3]	= "305";
		// 5 月
		graphic_dat[4]		= "img/season/05.jpg";
		graphic_width[4]	= "160";
		graphic_height[4]	= "305";
		// 6 月
		graphic_dat[5]		= "img/season/06.jpg";
		graphic_width[5]	= "160"
		graphic_height[5]	= "305";
		// 7 月
		graphic_dat[6]		= "img/season/07.jpg";
		graphic_width[6]	= "160";
		graphic_height[6]	= "305";
		// 8 月
		graphic_dat[7]		= "img/season/08.jpg";
		graphic_width[7]	= "160";
		graphic_height[7]	= "305";
		// 9 月
		graphic_dat[8]		= "img/season/09.jpg";
		graphic_width[8]	= "160";
		graphic_height[8]	= "305";
		// 10 月
		graphic_dat[9]		= "img/season/10.jpg";
		graphic_width[9]	= "160";
		graphic_height[9]	= "305";
		// 11 月
		graphic_dat[10]		= "img/season/11.jpg";
		graphic_width[10]	= "160";
		graphic_height[10]	= "305";
		// 12 月
		graphic_dat[11]		= "img/season/12.jpg";
		graphic_width[11]	= "160";
		graphic_height[11]	= "305";


		if ((graphic_width[month] == "") || (graphic_height[month] == "")) {
			document.write('<IMG SRC="' + graphic_dat[month] + '">');
		}
		else if (graphic_dat[month] != "") {
			document.write('<IMG SRC="' + graphic_dat[month] + '" WIDTH=' + graphic_width[month] + " HEIGHT=" + graphic_height[month] + ">");
		}
	}