There May be Following Problems with your Joomla Settings. Please Check everything instructions I am providing here.
Quick Method :
You set blacklist/whitelist tags in :
Article Manager --> Options --> Set Filter Groups to No Filtering for the access level of your spare user. (Best to use a Super User account for this if you can.)
Now Follow Bellow Instructions If You Like to Ennable or disable you TinyMCE Editor On/Off for Scripts :
2. Select TinyMCE Editorthe same for TinyMCE settings in the Plug-in Manager:
Cleanup code on load: Off
Clean code on Save: Never
Delete any code from Prohibited Elements or Optionally add Dumy Data ex : cms
Add Any More scripts which you want to White list in Extended Valid Elements
Now go to Article Manager and follow instructions given bellow:1. Article Manager > Article Manager Options
2. Click on Text filtering Tab
Read Before Altering anything : These are the text filters that will be applied to articles submitted by users in the selected groups. These filtering options give more control over the HTML your content providers submit. You can be as strict or as liberal as you require to suit your site needs. The filtering is opt-in and the default settings provide good protection against markup commonly associated with Web site attacks.
3. Go to Super User Drop Down Option : Select No Filtering.
You have done all thing to insert any kind of code within your article and modules. Please note that Do not provide above authorizations to Registered user group they can also insert any kind of code within your article. It can be virus code, add codes. So keep above authorizations to Super user only.
Enjoy Easiest Advanced CMS Website using Joomla 1.7. If any problem just post your comments, i will reply with appropriate Solutions.