anchor.diff:        categoryDisplay = document.getElementById("categoryDisplay");
         categoryEN = document.getElementById("categoryEN");
         categoryEN.onchange = onchangeCategory;
  +      okButton = document.getElementById("OK");
  +      title = document.getElementById("title");
  +      title.onchange = onchangeTitle;
  +      title.onkeyup = onchangeTitle;
  +      onchangeTitle();
         onchangeCategory();
       }
   
  
positive.code:                 .col-md-10
                    p(id="categoryDisplay" style={color:'Gray'})
                  .col-md-2
                      input(type="submit", class="btn btn-primary",value="OK")
                      a(href="#{layout.htmlroot}/article/searchandcreate?edit=false" class="btn btn-default" role="button") Cancel
  
              
  
negative.code:       if (placeholder[c]) {
           categoryDisplay.innerHTML = placeholder[c];    
          }
      }
  
      function onchangeTitle() {
        var t = title.value;
        okButton.disabled=true;
        if (t.length>5) okButton.disabled=false;
      }
     
   
  