function contour(cells)
{
	document.write('<table style="border-collapse: collapse;">');
	for (var ri = 0; ri < cells.length; ri++)
	{
		document.write('<tr>');
		var row = cells[ri];
		for (var ci = 0; ci < row.length; ci++)
		{
			document.write('<td class="cell ' + row[ci] + '"></td>');
		}
		document.write('</tr>');
	}
	document.write('</table>');
}

function well(cells)
{
	document.write('<table style="border-collapse: collapse;">');
	for (var ri = 0; ri < cells.length; ri++)
	{
		document.write('<tr>');
		var row = cells[ri];
		for (var ci = 0; ci < row.length; ci++)
		{
			document.write('<td class="cell ' + row[ci] + '"></td>');
		}
		document.write('</tr>');
	}
	document.write('</table>');
}