[kpriest]

Problem was resolved here: http://forum.x-cart.com/viewtopic.php?p=13867#13867

...but here is the code anyway (modules/Extra_Fields/product.tpl):

{* $Id: product.tpl,v 1.2 2002/04/23 10:38:01 mav Exp $ *} 
{section name=field loop=$extra_fields} 
{if $extra_fields[field].active eq "Y"} 
<tr><td width=30%> 
{if %field.index% eq 0 and $product.param00 ne ""}{$extra_fields[field].field} 
{elseif %field.index% eq 1 and $product.param01 ne ""}{$extra_fields[field].field} 
{elseif %field.index% eq 2 and $product.param02 ne ""}{$extra_fields[field].field} 
{elseif %field.index% eq 3 and $product.param03 ne ""}{$extra_fields[field].field} 
{elseif %field.index% eq 4 and $product.param04 ne ""}{$extra_fields[field].field} 
{elseif %field.index% eq 5 and $product.param05 ne ""}{$extra_fields[field].field} 
{elseif %field.index% eq 6 and $product.param06 ne ""}{$extra_fields[field].field} 
{elseif %field.index% eq 7 and $product.param07 ne ""}{$extra_fields[field].field} 
{elseif %field.index% eq 8 and $product.param08 ne ""}{$extra_fields[field].field} 
{elseif %field.index% eq 9 and $product.param09 ne ""}{$extra_fields[field].field} 
{/if}  
</td> 
<td class="ProductPriceSmall"> 
{if %field.index% eq 0}{$product.param00} 
{elseif %field.index% eq 1}{$product.param01} 
{elseif %field.index% eq 2}{$product.param02} 
{elseif %field.index% eq 3}{$product.param03} 
{elseif %field.index% eq 4}{$product.param04} 
{elseif %field.index% eq 5}{$product.param05} 
{elseif %field.index% eq 6}{$product.param06} 
{elseif %field.index% eq 7}{$product.param07} 
{elseif %field.index% eq 8}{$product.param08} 
{elseif %field.index% eq 9}{$product.param09} 
{/if} 
</td> 
</tr> 
{/if} 
{/section}