tinyMCE.init({
    setup: function(ed)
    {
        //console.log('entradilla deberia de estar desactivada');
        ed.onKeyUp.add(function(ed, evt)
        {
            if($('.entradilla_check').is(':checked')) {
                // get html content of first paragraph in the editor
                var first_node_html = $(ed.getBody()).find('p:first').html();

                // copythe html content into the textarea '.entradilla'
                $('.entradilla').text(first_node_html);

                // if intro is a tinymce editor too you will need some other code
                // here it is
                tinymce.get('entradilla').setContent(first_node_html);
            }
        });
    },

    language : 'es',
    mode: 'textareas',
    editor_selector : "tiny_editor",
    //valid_elements : "a[href|target=_blank],strong/b, u, i, p",
    cleanup: true,
    theme: 'advanced',

    theme_advanced_toolbar_align: 'left',
    theme_advanced_toolbar_location: 'top',
    theme_advanced_statusbar_location: 'bottom',

    plugins: 'table,advhr,advlink,preview,advimage,media,searchreplace,print,fullscreen,paste',

    theme_advanced_buttons1: 'bold,italic,underline,strikethrough,|,justifyleft,justifycenter,justifyright,justifyfull,|,bullist,numlist,outdent,indent,|,fontselect,fontsizeselect,forecolor,backcolor',
    theme_advanced_buttons2: 'cut,copy,paste,pastetext,pasteword,|,search,replace,|,undo,redo,|,link,unlink,anchor,advhr,|,sub,sup,|,charmap,image,media,|,cleanup,removeformat,code,fullscreen',
    theme_advanced_buttons3: 'tablecontrols,|,preview,print,|,help',

    extended_valid_elements: 'iframe[align<bottom?left?middle?right?top|class|frameborder|height|id|longdesc|marginheight|marginwidth|name|scrolling<auto?no?yes|src|style|title|width]'
});


if($('.entradilla_check').is(':checked')) {
    tinyMCE.execCommand('mceRemoveControl', false, 'entradilla');
    //  |
    //  |->//This returns no error, but does nothing

    tinymce.get('entradilla').settings.readonly = false;
    //  |
    //  |->//tinymce.get("entradilla") is undefined

    window.tinyMCE.get('entradilla').setAttribute('contenteditable', false);
    //  |
    //  |->//window.tinyMCE.get("entradilla") is undefined

    window.tinyMCE.activeEditor.getBody().setAttribute('contenteditable', false);
    //  |
    //  |->//window.tinyMCE.activeEditor is null
}