anchor.diff:  <b>Number of columns:</b>
   </td>
   <td>
  -<input type="text" name="numcols" size="4" value="<%= ppage == null ? "" : Integer.toString(ppage.getCols()) %>" onBlur="validateRequired(this);">
  +<input type="text" name="numcols" size="4" value="<%= ppage == null ? "" : Integer.toString(ppage.getCols()) %>" onBlur="<portlet:namespace/>validateRequired(this);">
   </td>
   </tr>
   <tr>
  
positive.code: <b>Number of rows:</b>
  </td>
  <td>
  <input type="text" name="numrows" size="4" value="<%= ppage == null ? "" : Integer.toString(ppage.getRows()) %>" onBlur="checkCount(this);">
  </td>
  </tr>
  <tr>
  
negative.code: 		}
  	}
  	
  	function <portlet:namespace/>validateRequired(field) {
  		if (field.value == ""){
  			alert("This field is required!");
  			return false;
  