Please input a partnumber!
	<form name='test' action='product_show.php?pn=' method='GET'>
		<input list='partnr' type='text' name='pn' autocomplete='off'/>
		<input value='Submit' type='submit'/>
	</form>
	<datalist id='partnr'><option value='1868883'><option value='2012011'></datalist>