How to Run cmd.exe with parameters from javascript

I am trying to write javascript which should run cmd.exe with a specified command line in it like this docs.google.com/file/d/0B7QHCoQDlEvKWUZSX3oxUDI2SDg/edit:

I prepare a code after reading shellexecute method on microsoft site:

var objShell = new ActiveXObject("Shell.Application");
        objShell.ShellExecute("cmd.exe", "C: cd C:\\pr main.exe blablafile.txt auto", "C:\\WINDOWS\\system32", "open", "1");

but it does not insert command line in cmd.exe.

Could anybody help me? Thank you in advance.