{
	document.write('<table>');
	document.write('<tr><th rowspan="2">発電所</th><th colspan="3">距離 (km)</th></tr>');
	document.write('<tr><th class="km">50</th><th class="km">100</th><th class="km">200</th></tr>');

	var nppNames = new Array('泊', '東通', '女川', '福島第一', '福島第二', '東海第二', '柏崎刈羽', '浜岡', '志賀', '敦賀', '美浜', '大飯', '高浜', '島根', '伊方', '玄海', '川内');
	var i, j;
	for (i=0; i<nppNames.length; i++) {
		document.write('<tr>');
		document.write('<td>'+nppNames[i]+'</td>');
		for (j=0; j<3; j++) {
			document.write('<td><input type="checkbox" id="npp'+i+'-'+j+'" onClick="draw('+i+', '+j+')"></td>');
		}
		document.write('</tr>');
	}
		document.write('<tr><th rowspan="2">発電所</th><th class="km">50</th><th class="km">100</th><th class="km">200</th></tr>');
		document.write('<tr><th colspan="3">距離 (km)</th></tr>');
		document.write('</table>');
}