display: none / display: inline

<span id="viewInstNm" class="viewInstNm" style="display: none;">
       숨겼다보였다.      

</span>

※  radioButton 클릭여부로 div 숨겼다보였다!

 

if(document.getElementById("radioButton아이디").checked){

      $(".viewInstNm").css("display","inline");
  }else{
      $(".viewInstNm").css("display","none");
  }