Ok, this is the string i have...

http://www.geocities.com/jeb_malice/frame.html

and i need it to turn into this...

http://www.geocities.com/jeb_malice/

but...

The string could also be this...

http://www.geocities.com/jeb_malice/list.js

and that would have to be turned into...

http://www.geocities.com/jeb_malice/

If i didnt explain this right, let me know. If i did explain it right, try to answer!