If the partitions are on the same physical drive then it can be done. If you have partition magic 8 installed just launch the program. once its opened then click once on drive c (the big yellow bar, labeled c, on the right hand side). Right click on c:\ drive and click resize. A new window will pop up. On the very far right of the bar, use your mouse to click and drag to resize.
click ok. It should prompt you to apply changes. Reboot the pc, veryify the changes were applied to c drive. IF so, then repeat the steps above for drive e.