Add an install-win.bat script corresponding to the 'make install' target on Unix.
diff --git a/install-win.bat b/install-win.bat
new file mode 100644
index 0000000..d95d6d9
--- /dev/null
+++ b/install-win.bat
@@ -0,0 +1,31 @@
+:: Installs from srtp windows build directory to directory specified on
+:: command line
+
+
+@if "%1"=="" (
+	echo "Usage: %~nx0 destdir"
+	exit /b 1
+) else (
+	set destdir=%1
+)
+
+@if not exist %destdir% (
+   echo %destdir% not found
+   exit /b 1
+)
+
+@for %%d in (include\srtp.h crypto\include\crypto.h Debug\srtp.lib Release\srtp.lib) do (
+	if not exist "%%d" (
+	   echo "%%d not found: are you in the right directory?"
+	   exit /b 1
+	)
+)
+
+mkdir %destdir%\include
+mkdir %destdir%\include\srtp
+mkdir %destdir%\lib
+
+copy include\*.h %destdir%\include\srtp
+copy crypto\include\*.h %destdir%\include\srtp
+copy Release\srtp.lib %destdir%\lib\srtp.lib
+copy Debug\srtp.lib %destdir%\lib\srtpd.lib