下面给出了ahk的脚本，但我需要GUI
http://superuser.com/questions/435602/shortcut-in-windows-7-to-switch-between-same-applications-windows-like-cmd
http://www.ntwind.com/software/vistaswitcher/shortcuts.html
autohotkey-【GUI】Switch between Windows of the Same Application
原文：http://www.cnblogs.com/itzxy/p/6014588.html
