div.html

<div id="_trustvox_widget"></div>

mundtec.html

<script type="text/javascript">
  var _trustvox = _trustvox || [];
  _trustvox.push(['_storeId', '151']);
  var tagProd = "<ImagemProdPri>";
  tagProd  = tagProd.replace('../',"");
  var img = "http://www.mundtec.com.br" + tagProd;
 
  _trustvox.push(['_productId', "<IDProduto>"]);
  _trustvox.push(['_productName',   "<NomeProd>"]);
  _trustvox.push(['_productUrl', window.location.href]);
  _trustvox.push(['_productPhotos', [img]]);

(function() {
    var tv = document.createElement('script'); tv.type = 'text/javascript'; tv.async = true;
    tv.src = '//trustvox-production-assets.s3.amazonaws.com/assets/trustvox.1.min.js';
    var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(tv, s);
  })();
</script>