function show_dl_flds(toggle) {
  document.getElementById('dl_1').style.display = toggle;
  document.getElementById('dl_2').style.display = toggle;
  document.getElementById('dl_3').style.display = toggle;
  document.getElementById('dl_4').style.display = toggle;
  document.getElementById('dl_5').style.display = toggle;
  document.getElementById('dl_6').style.display = toggle;
  document.getElementById('dl_7').style.display = toggle;
  document.getElementById('dl_8').style.display = toggle;
  document.getElementById('dl_9').style.display = toggle;
  document.getElementById('dl_10').style.display = toggle;
  document.getElementById('dl_11').style.display = toggle;
  document.getElementById('dl_12').style.display = toggle;
  document.getElementById('dl_13').style.display = toggle;
  document.getElementById('dl_14').style.display = toggle;
<!-- JB DL code  -->
  document.getElementById('dl_t1').style.display = toggle;
  document.getElementById('dl_t2').style.display = toggle;
  document.getElementById('dl_t3').style.display = toggle;
  document.getElementById('dl_t4').style.display = toggle;
  document.getElementById('dl_t5').style.display = toggle;
  document.getElementById('dl_t6').style.display = toggle;
  document.getElementById('dl_t7').style.display = toggle;
  document.getElementById('dl_t8').style.display = toggle;
  document.getElementById('dl_t9').style.display = toggle;
  document.getElementById('dl_t10').style.display = toggle;
<!-- JB DL end  -->

  document.getElementById('dl_owner').value="";
  document.getElementById('dl_url_1').value="";
  document.getElementById('dl_url_2').value="";
  document.getElementById('dl_url_3').value="";
  document.getElementById('dl_url_4').value="";
  document.getElementById('dl_url_5').value="";
<!-- JB DL code -->  
  document.getElementById('dl_text_1').value="";
  document.getElementById('dl_text_2').value="";
  document.getElementById('dl_text_3').value="";
  document.getElementById('dl_text_4').value="";
  document.getElementById('dl_text_5').value="";
<!-- JB DL end -->
}