Description of problem:
During install, when an install device is selected from the list (Local harddrive, CDROM, FTP, URL) and if you go back to change the install device, the menu won;t appear but the device already selected. 

Version-Release number of selected component (if applicable):
Fedora 10 beta

How reproducible:
Always

Steps to Reproduce:
1. Click OK for langauge/keyboard
2. Select install device say "Local harddrive" and it will take you to a menu to select harddrive
3. Now, if you relalize your install is on CD, so hit back
4. It takes you to hardrive select list
5. Hit back, it takes you to language selecttion
6. hit OK and it takes you to hardrive list AND SKIPS THE INSTALL DEVICE LIST.
  
Actual results:
Should display install device menu o change the install device

Expected results:
User should be able to change the install device if a wrong device was selected erroneously the first time

Additional info: