Orbit/app/assets/javascripts/tinymce_orbit.js

function load_tinymce() {
  $('.tinymce_textarea').tinymce({
    theme: 'advanced',
        plugins : "autolink,lists,spellchecker,pagebreak,style,layer,table,save,advhr,advimage,advlink,emotions,iespell,inlinepopups,insertdatetime,preview,media,searchreplace,print,contextmenu,paste,directionality,fullscreen,noneditable,visualchars,nonbreaking,xhtmlxtras,template",

        // Theme options
        theme_advanced_buttons1 : "bold,italic,underline,strikethrough,|,justifyleft,justifycenter,justifyright,justifyfull,|,formatselect,fontselect,fontsizeselect",
        theme_advanced_buttons2 : "cut,copy,paste,pastetext,pasteword,|,bullist,numlist,|,undo,redo,|,link,unlink,anchor,image,cleanup,help,code,|,forecolor,backcolor",
        theme_advanced_buttons3 : "tablecontrols,|,hr,removeformat,visualaid,|,sub,sup,|,fullscreen",
        theme_advanced_toolbar_location : "top",
        theme_advanced_toolbar_align : "left",
        theme_advanced_statusbar_location : "bottom",
        theme_advanced_resizing : true,

        // Skin options
        skin : "o2k7",
        skin_variant : "silver",

        // Drop lists for link/image/media/template dialogs
        template_external_list_url : "js/template_list.js",
        external_link_list_url : "js/link_list.js",
        external_image_list_url : "js/image_list.js",
        media_external_list_url : "js/media_list.js"
  });
}

$(document).ready(function() {
  load_tinymce();
});