This question has been answered by donshakespeare. See the first response.
tinymce.init({
selector: "...",
plugins: 'link image code',
convert_urls: false
});Ext.extend(TinyMCERTE.Tiny,Ext.Component,{
cfg: {
selector: '#ta'
,document_base_url: MODx.config.base_url
,file_browser_callback_types: 'file image media'
}
Ext.extend(TinyMCERTE.Tiny,Ext.Component,{
cfg: {
selector: '#ta'
,remove_script_host: false //add this line
,relative_urls: false //add this line
,document_base_url: MODx.config.base_url
,file_browser_callback_types: 'file image media'
}