Pass Incoming URL parameters to iframe

params_to_iframe.html

<script>
 //Replace #frame1 with the ID of your iframe
 $('#frame1').attr('src', (function() {
          return $('#frame1').attr('src') + window.location.search;
        })());
</script>

If iframe URL already has a query string, append parameters using script below

<script>
 //Replace #frame1 with the ID of your iframe
 $('#frame1').attr('src', (function() {
          return $('#frame1').attr('src') + '&' + window.location.search.subtr(1);
        })());
</script>