How can I remotely Reboot a PC using windows

I am using PCAnyhwerec 11.0 and 11.5 to remotely connect to PCs. when PCAnywhere chrashes, I get Isolate from the PC. I need to know how can I reboota Pc using windows 2000 or XP Pro. When PCAnywhere chrashes, I still can map to PC.

PCAnywhere needs improvements. Not the best product!!
http://www.symantec.com/home_homeoffice/products/overview.jsp?pcid=pf&pvid=pca12