[help] include html on product detail

[vespaman]

help how to include html file on product page, im using

  <div class="product_attributes">{if $category->id == 16}  <div class="product-contact-step" display:"none"></div>{elseif $category->id == 17}<div class="product-contact-step" display:"none"></div>
  {else}
				   {include file="$tpl_dir./Precriptions.html"}
  {/if}

but also eror smarty,...