bel><br>
				<input type="radio" id="spreadsheet" name="backend" value="sheet" onchange="checkOptions()">
				<label for="spreadsheet">Spreadsheet</label><br>
				<input type="radio" id="text" name="backend" value="text" onchange="checkOptions()">
				<label for="text">Plain Text (txt)</label><br>
				<input type="radio" id="csv" name="backend" value="csv" onchange="checkOptions()">
				<label for="csv">Comma Separated Values (csv)</label><br>
			</fieldset>
			<fieldset id="fsimg">
				<legend>Format for '