Problem with CKEDITOR and jQuery Validate plugin

hi everybody!
i'm using jquery validation for the form control.
I have two text area with CKEditor.
I noticed that jquery validation not working on these textarea.
I'll post the code.
HMTL:

<textarea name="descl" id="descl" class="editor"></textarea><br/>
<textarea name="descl_eng" class="editor"></textarea><br/>

JS:

        var ckEditorConfig = {
        skin : 'office2003',
        toolbar_Full: [
        ['Bold', 'Italic', 'Underline'],
        ['Undo', 'Redo', '-', 'SelectAll']
        ]
    };
    $('.editor').ckeditor(ckEditorConfig);

    $('#myform').submit(function() {
        for (var i in CKEDITOR.instances) {
            CKEDITOR.instances[i].updateElement();
        }
    });

    // VALDATION

can someone help me please!!