Set objFSO = CreateObject("Scripting.FileSystemObject")
strFolder = objFSO.GetParentFolderName(WScript.ScriptFullName)
strScript = objFSO.BuildPath(strFolder, "broadcast.ps1")

Set objShell = CreateObject("WScript.Shell")
objShell.Run "powershell -ExecutionPolicy Bypass -WindowStyle Hidden -File """ & strScript & """", 0, False