For version 8: Open the RadControls\Editor\ConfigFile.xml file, and set the property
for AllowScripts to "true". Search for...
<property name="AllowScripts">false</property>
...and change it to to:
<property name="AllowScripts">true</property>
For versions 9.0.1.2 - 9.1.0.1: Open the file that the RadEditor is being used on
(for example Admin/topics.aspx, Admin/entityEditProducts.aspx, etc) and find this line:
<tcontrol:RadEditor runat="server" RadControlsDir="rad" id="radDescription">
...and add the AllowScripts="true" attribute:
<tcontrol:RadEditor runat="server" AllowScripts="true" RadControlsDir="rad"
id="radDescription">
For version 9.2.0.0 and higher: Open the file that the RadEditor is being used on
(for example Admin/Controls/TopicEditor.ascx, Admin/entityEditProducts.aspx, etc) and find this line:
<tcontrol:RadEditor runat="server" RadControlsDir="rad" id="radDescription">
...and add the AllowScripts="true" attribute:
<tcontrol:RadEditor runat="server" AllowScripts="true" RadControlsDir="rad"
id="radDescription">