[jQuery] Changing the ID of a cloned table row

[jQuery] Changing the ID of a cloned table row


Am getting bloody from beating my head against the wall. I just want
to be able to change the id of a table row that is cloned and appended
to a table. This shouldn't be so hard, no?
Here's what I've tried:
function addTableRow(table)
{
    var clonedRow = jQuery(table + " tr:last").clone().attr({ id:
'13' }) ;
    jQuery(table).append(clonedRow);
return true;
}
OR
function addTableRow(table)
{
    var clonedRow = jQuery(table + " tr:last").clone();
    jQuery(clonedRow).attr("id", "13"); //yes, I want the id to be 13
    jQuery(table).append(clonedRow);
return true;
}
Neither of the above works. Anyone got any help they can give me,
please?