[Help] Modify SEF Output - Joomla! Forum - community, help and support

hi there. need modify sef output of joomla 1.5
now have output:

code: select all

http://joomla15/joomla-description/29-the-cms/19-article

i want change to

code: select all

http://joomla15/joomla-description/the-cms/article-19

any idea?? in advance.

no ideas??