use AddTrials value

products.tpl

@@ -257,7 +257,7 @@
 								{$LANG.tryagain}
 							</a>
 						{elseif ($product.pricing.type eq 'free') && in_array($product.pid, $clientCardFree)}
-							<div class="btn btn-primary btn-block" style="position:absolute; left:20px; bottom:10px; right:20px; height:40px; width:unset;padding-top:6.5px;">
+							<div class="btn btn-primary btn-block" style="position:absolute; left:20px; bottom:10px; right:20px; height:40px; width:unset;padding-top:6.5px;" disabled="disabled">
 								{$LANG.alreadyincard}
 							</div>
 						{else}