silverstripe-cms/javascript/tinymce.template.js

function nullConverter(url) {
	return url;
}

/**
 * TinyMCE initialisation template.
 * $ variables are replaced by string search & replace.  It's pretty crude.
 */
// Prevents "Error: 'tinyMCE' is undefined" error in IE7 on Newsletter Recipient import.
if((typeof tinyMCE != 'undefined')) {
	tinyMCE.init({
		mode : "none",
		language: "$Lang",
		width: "100%",
		auto_resize : false,
		theme : "advanced",
		content_css : "$ContentCSS",
		body_class : 'typography',
		document_base_url: "$BaseURL",
		urlconverter_callback : "nullConverter",
		
		setupcontent_callback : "sapphiremce_setupcontent",
		cleanup_callback : "sapphiremce_cleanup",
		
		theme_advanced_layout_manager: "SimpleLayout",
		theme_advanced_toolbar_location : "top",
		theme_advanced_toolbar_align : "left",
		theme_advanced_toolbar_parent : "right",
		plugins : "template,contextmenu,table,emotions,paste,../../tinymce_ssbuttons,../../tinymce_advcode,spellchecker",	
		table_inline_editing : true,
		theme_advanced_buttons1 : "bold,italic,underline,strikethrough,separator,justifyleft,justifycenter,justifyright,justifyfull,styleselect,formatselect,separator,bullist,numlist,outdent,indent,hr,charmap",
		theme_advanced_buttons2 : "undo,redo,separator,cut,copy,paste,pastetext,pasteword,spellchecker,separator,ssimage,ssflash,sslink,unlink,anchor,separator,template,advcode,separator,search,replace,selectall,visualaid,separator,tablecontrols",
		theme_advanced_buttons3 : "",
		spellchecker_languages : "$SpellcheckLangs",
		
		template_templates : [
		    { title : "Three column", src : "assets/snippet.html", description : "A simple 3 column layout"},
		],

		safari_warning : false,
		relative_urls : true,
		verify_html : true,
		valid_elements : "+a[id|rel|rev|dir|tabindex|accesskey|type|name|href|target|title|class],-strong/-b[class],-em/-i[class],-strike[class],-u[class],#p[id|dir|class|align],-ol[class],-ul[class],-li[class],br,img[id|dir|longdesc|usemap|class|src|border|alt=|title|width|height|align],-sub[class],-sup[class],-blockquote[dir|class],-table[border=0|cellspacing|cellpadding|width|height|class|align|summary|dir|id|style],-tr[id|dir|class|rowspan|width|height|align|valign|bgcolor|background|bordercolor|style],tbody[id|class|style],thead[id|class|style],tfoot[id|class|style],-td[id|dir|class|colspan|rowspan|width|height|align|valign|scope|style],-th[id|dir|class|colspan|rowspan|width|height|align|valign|scope|style],caption[id|dir|class],-div[id|dir|class|align],-span[class|align],-pre[class|align],address[class|align],-h1[id|dir|class|align],-h2[id|dir|class|align],-h3[id|dir|class|align],-h4[id|dir|class|align],-h5[id|dir|class|align],-h6[id|dir|class|align],hr[class],dd[id|class|title|dir],dl[id|class|title|dir],dt[id|class|title|dir]",
		extended_valid_elements : "img[class|src|alt|title|hspace|vspace|width|height|align|onmouseover|onmouseout|name],script[src|type],object[width|height|type|data],param[value|name]"
	});
}

Behaviour.register({
    'textarea.htmleditor' : {
        initialize : function() {
            tinyMCE.execCommand("mceAddControl", true, this.id);
            this.isChanged = function() {
                return tinyMCE.getInstanceById(this.id).isDirty();
            }
        }
    }
})