Magento : Add certain tags (iframe, script, etc) in CMS editor?

this is useful trick, i found on stackoverflow

monggo gan

open js/mage/adminhtml/wysiwyg/tiny_mce/setup.js

find this block :

var settings = {
mode : (mode != undefined ? mode : ‘none’),
elements : this.id,
theme : ‘advanced’,
plugins : plugins,
theme_advanced_buttons1 : magentoPlugins + ‘magentowidget,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,|,forecolor,backcolor’,
theme_advanced_buttons3 : ‘tablecontrols,|,hr,removeformat,visualaid,|,sub,sup,|,charmap,iespell,media,advhr,|,ltr,rtl,|,fullscreen’,
theme_advanced_buttons4 : ‘insertlayer,moveforward,movebackward,absolute,|,styleprops,|,cite,abbr,acronym,del,ins,attribs,|,visualchars,nonbreaking,pagebreak’,
theme_advanced_toolbar_location : ‘top’,
theme_advanced_toolbar_align : ‘left’,
theme_advanced_statusbar_location : ‘bottom’,
theme_advanced_resizing : true,

add/change to

var settings = {
mode : (mode != undefined ? mode : ‘none’),
elements : this.id,
theme : ‘advanced’,
plugins : plugins,
theme_advanced_buttons1 : magentoPlugins + ‘magentowidget,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,|,forecolor,backcolor’,
theme_advanced_buttons3 : ‘tablecontrols,|,hr,removeformat,visualaid,|,sub,sup,|,charmap,iespell,media,advhr,|,ltr,rtl,|,fullscreen’,
theme_advanced_buttons4 : ‘insertlayer,moveforward,movebackward,absolute,|,styleprops,|,cite,abbr,acronym,del,ins,attribs,|,visualchars,nonbreaking,pagebreak’,
theme_advanced_toolbar_location : ‘top’,
theme_advanced_toolbar_align : ‘left’,
theme_advanced_statusbar_location : ‘bottom’,
theme_advanced_resizing : true,
extended_valid_elements : ‘iframe[src|style|width|height|scrolling|marginwidth|marginheight|frameborder],style,script’,

don’t forget save, clear cache & clear browser cache

source : http://stackoverflow.com/questions/5163518/magento-how-to-allow-certain-tags-iframe-embed-in-magentos-cms-editor