set Wsh = wscript.CreateObject("wscript.Shell")
' http://www.microsoft.com/technet/scriptcenter/guide/sas_wsh_pkoy.mspx?mfr=true
' Library IWshRuntimeLibrary C:\WINDOWS\System32\wshom.ocx Windows Script Host 
' Object Mode
Const vbHide = 0
Const vbMaximizedFocus = 3
Const vbMinimizedFocus = 2
Const vbMinimizedNoFocus = 6
Const vbNormalFocus = 1
Const vbNormalNoFocus = 4
Const vbWait = TRUE
Const vbContinue = False
 
Wsh.run "EXCEL.EXE ""C:/Test.xls""", vbMaximizedFocus , vbContinue