insertion une image avec TinyMCE

Salut,
Mon problém s'est l'orsque le clik sur le botton browser aucun affichage de mon page d'edition d'image méme si je mes dans le file lien de google
voici mon script

<script type="text/javascript" src="<?php echo Router::webroot('js/tinymce/tiny_mce.js') ?>"></script>
<script type="text/javascript">
tinyMCE.init({
        // General options
        mode : "specific_textareas",
        editor_selector :"wysiwyg",
        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 : "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",
        file_browser_callback:'fileBrowser'
});
function fileBrowser(field_name, url, type, win){
  tinyMCE.activeEditor.windowManeger.open({
    file:'<?php echo Router::url('admin/medias/index/'.$id); ?>',
    title: 'Gallerie',
    width:420,
    height:400,
    resizable:'yes',
    inline: 'yes',
    close_previous: 'no'
  },{
    window :win,
    input:field_name
  });
  return false;

}
</script>