html += '<td width="3%"><input type="checkbox" class="ls-checkbox marcar"  name="ids[]" value="0"></td>';   
   html += '<td contenteditable id="data1" name="data1" data-column="Cod_bloco"  value="" width="7%"></td>';
   html += '<td contenteditable id="data2" name="data2" data-column="Desc_bloco"  value="" width="80%"></td>';
   html += '<td contenteditable id="data3" name="data3" data-column="Num_cmp"  value="" width="6%"></td>';
   html += '<td width="4%"><button type="button" name="insert" id="insert" class="btn btn-success btn-xs">Salvar</button></td>';