anchor.diff:        <!--- Column headings --->
         <tr>
           <th class="col_heading" style="width:3em"></th>
  -        <% sheet.columns.each do |col| %>
  -          <th style="<%= (("width:" + (col.width.to_f/31).to_s) + "px") unless col.width.nil? -%>" class="col_heading"><%= to_alpha(col.index) -%></th>
  +        <% sheet.columns.each do |col| -%>
  +        <th style="<%= (("width:" + (col.width.to_f/31).to_i.to_s) + "px") unless col.width.nil? -%>" class="col_heading"><%= to_alpha(col.index) -%></th>
           <% end -%>
         </tr>      
         
  
positive.code:           <% 1.upto(sheet.last_col) do |c| %>
              <% if sheet[r] && sheet[r][c] -%>
                <% cell = sheet[r][c] -%>
                <td row="<%= r -%>" col="<%= c -%>" id="cell_<%= to_alpha(c) + r.to_s -%>" title="<%= cell.formula || "" -%>" class="cell <%= cell.style || ""-%>">
                  <%= cell.value -%>
                </td>
              <% else -%>
                <td row="<%= r -%>" col="<%= c -%>" id="cell_<%= to_alpha(c) + r.to_s -%>" class="cell"></td>
              <% end -%>  
  
negative.code:   //Set table active
    activeSheet.children("table").addClass('active_sheet');
  </script>
        
  