ckEditor FAILING TO POST DATA

AJAX SCRIPT
<script>
"Add": function() {
                    var form_data = {
                        id: $('#id').val(),
                        date: $('#date').val(),
                        name: $('#editor1').val(),
                        amount: $('#amount').val(),
                        ajax:1
                    };

                    $('#date').attr("disabled",true);
                    $('#editor1').attr("disabled",true);
                    $('#amount').attr("disabled",true);

                  $.ajax({
                    url : "<?php echo site_url('daily/submit')?>",
                    type : 'POST',
                    data : form_data,
                    success: function(msg){
                    $('#show').html(msg),
                    $('#date').val('<?php echo date('Y-m-d'); ?>'),
                    $('#id').val(''),
                    $('#editor1').val(''),
                    $('#amount').val(''),
                    $('#date').attr("disabled",false);
                    $('#editor1').attr("disabled",false);
                    $('#amount').attr("disabled",false);
                    $('#form_input').dialog( "close" )
                    }
                  });
</script>
CI FORM
<table>
        <?php echo form_open('daily/submit'); ?>
        <input type="hidden" value='' id="id" name="id">
        <tr >
            <td> <?php echo form_label('Date : '); ?></td>
            <td> <?php echo form_input('date',date('Y-m-d'),'id="date"'); ?></td>
        </tr>
        <tr>
         <?php $attributes = array('name'=>'name', 'id'=>'editor1','class'=>'ckeditor');?>
            <td> <?php echo form_label('Name : ');?> </td>
            <td> <?php echo form_textarea($attributes); ?></td>
        </tr>
        <tr>
            <td> <?php echo form_label('Amount : ');?> </td>
            <td> <?php echo form_input('amount','','id="amount"'); ?></td>
        </tr>
      </table>
    </div>
    <p>
        <button id="create-daily">Input New</button>
    </p>