lib/atpay/button/templates/default.liquid in atpay_buttons-1.4.3 vs lib/atpay/button/templates/default.liquid in atpay_buttons-1.4.4

@@ -16,9 +16,13 @@
 
   .ExternalClass table.out_mailto a {display: inline !important; border: 0 !important; width:auto !important; text-decoration:none !important; color:{{foreground_color}} !important; line-height:auto !important;}
 </style>
 
 <center>
+    {% if analytic_url %}
+      <img src="{{analytic_url}}" width="1" height="1" />  
+    {% endif %}
+
     <table class="reg_mailto" border='0' cellpadding='0' cellspacing='0' style='font-family: Tahoma; margin: 0 auto !important;  background-color:{{background_color}};'>
       <tr>
         {% if image %}
           <td style="padding-left:10px; padding-right:0px; padding-top:14px; padding-bottom:10px;text-align:right;">
              <a class="reg_mailto" href="{{url}}" target="_blank" style="border-width: 0px;">