title: is there a way to be able to insert <iframe> in tinymce?
body: <p>i'm trying,</p>
  
  <p>But it strip its :S</p>
  
  <p>My Tinymce init:</p>
  
  <pre><code>           // General options
        tinyMCE.init({
          // General options
          mode : "textareas",
          theme : "advanced",
          plugins : "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 : "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,spellchecker,|,cite,abbr,acronym,del,ins,attribs,|,visualchars,nonbreaking,template,blockquote,pagebreak,|,insertfile,insertimage",
          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",
  
          // Example content CSS (should be your site CSS)
          content_css : "css/style.css",
  
          // 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",
  
          // Replace values for the template plugin
          template_replace_values : {
                  username : "Some User",
                  staffid : "991234"
          }
  });
  </code></pre>