Editable Columns Don't Work After Any Column Sort or Typing in Search Box

I have two columns in my table which contain editable drop down selects. When the table first loads, the cells are editable by double clicking on them. If I type anything in the "Search" box or if I click on any column header to sort the table, the editable cells are no longer editable. Any thoughts on re-enabling the editing after performing either of these operations?

Thanks.

Here's the set-up for the editable columns:

$(".editCat").editable("process_category_change.cgi?callletters=$callletters", {
  tooltip: "Double-click to edit...",
  data   : "{  ... category list here ...  }",
  type   : "select",
  event  : "dblclick",
  onblur : "submit",            
  style  : "inherit"
});

Here's the code for the column itself:

<td><div class="editCat" id="cur_MUSEM" style="display:inline">&nbsp;&nbsp;C1&nbsp;&nbsp;</div></td>