title: Change tinymce toolbar buttons after initilised with jquery plugin
body: <p>I need to change the toolbar buttons after the instance has loaded.  The below example should change the buttons to only show save and new document, however it doesn't.</p>
  
  <p><a href="http://fiddle.tinymce.com/Hvcaab" rel="nofollow">http://fiddle.tinymce.com/Hvcaab</a></p>
  
  <pre><code>&lt;script type="text/javascript"&gt;
  tinyMCE.init({
          // General options
          mode : "textareas",
          theme : "advanced",
          plugins : "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 : "save,newdocument,|,bold,italic,underline,strikethrough,|,justifyleft,justifycenter,justifyright,justifyfull,|,styleselect,formatselect,fontselect,fontsizeselect",
          theme_advanced_buttons2 : "cut,copy,paste,pastetext,pasteword,|,search,replace,|,bullist,numlist,|,outdent,indent,blockquote,|,undo,redo,|,link,unlink,anchor,image,cleanup,help,code,|,insertdate,inserttime,preview,|,forecolor,backcolor",
          theme_advanced_buttons3 : "tablecontrols,|,hr,removeformat,visualaid,|,sub,sup,|,charmap,emotions,iespell,media,advhr,|,print,|,ltr,rtl,|,fullscreen",
          theme_advanced_buttons4 : "insertlayer,moveforward,movebackward,absolute,|,styleprops,|,cite,abbr,acronym,del,ins,attribs,|,visualchars,nonbreaking,template,pagebreak",
          theme_advanced_toolbar_location : "top",
          theme_advanced_toolbar_align : "left",
          theme_advanced_statusbar_location : "bottom",
          theme_advanced_resizing : true
  });
  
  $(function(){
      $('#testbutt').click(function(e){        
          console.log($('#testing').tinymce().theme.settings.theme_advanced_buttons1);
          $('#testing').tinymce().theme.settings.theme_advanced_buttons1 = "save,newdocument";
          console.log($('#testing').tinymce().theme.settings.theme_advanced_buttons1);
          $('#testing').tinymce().execCommand("mceRepaint");
          $('#testing').tinymce().render();
      });
  })
  
  &lt;/script&gt;
  &lt;input type="button" id="testbutt" value="test"&gt;
  &lt;form method="post" action="dump.php"&gt;
          &lt;textarea name="content" id="testing"&gt;
          &lt;/textarea&gt;
  &lt;/form&gt;
  </code></pre>