diff --git a/src/win32/README.win32 b/src/win32/README.win32
index 60a7008..e1343af 100644
--- a/src/win32/README.win32
+++ b/src/win32/README.win32
@@ -1,19 +1,18 @@
 Intro
 -----
 
-
-This directory contains the project file for Visual Studio 2008 to build 
+This directory contains the project file for Visual Studio 2008 to build
 modbus.dll and the import library modbus.lib.
 
-
-The project file searches for D:/include/msvc_std to find stdint.h.
-See ../../README.md
-
+The project file looks for D:/include/msvc_std to find stdint.h.
+See ../../README.md file.
 
 config.h and ../modbus-version.h are generated using configure.js.
-Run 
+
+Run
     cscript configure.js
-or 
+or
     wscript configure.js
-or double click configure.js to generate these files.
+or
+   double click configure.js to generate these files.
 
diff --git a/src/win32/configure.js b/src/win32/configure.js
index fe99f93..aa21e49 100644
--- a/src/win32/configure.js
+++ b/src/win32/configure.js
@@ -1,5 +1,5 @@
 /* Configure script for modbus.dll, specific for Windows with Scripting Host.
- * 
+ *
  * Inspired by configure.js from libxml2
  *
  * oldfaber  < oldfaber _at_ gmail _dot_ com >
@@ -19,44 +19,25 @@ var verMajor;
 var verMinor;
 var verMicro;
 /* modbus features. */
-var testRun = false;
+var dryRun = false;
 /* Win32 build options. NOT used yet */
 var compiler = "msvc";
 /* Local stuff */
 var error = 0;
-
-/* Helper function, transforms the option variable into the 'Enabled'
-   or 'Disabled' string. */
-function boolToStr(opt) {
-	if (opt == false)
-		return "no";
-	else if (opt == true)
-		return "yes";
-	error = 1;
-	return "*** undefined ***";
-}
-
-/* Helper function, transforms the argument string into a boolean
-   value. */
-function strToBool(opt) {
-	if (opt == 0 || opt == "no")
-		return false;
-	else if (opt == 1 || opt == "yes")
-		return true;
-	error = 1;
-	return false;
-}
+/* Filename */
+var newFile;
 
 /* Displays the details about how to use this script. */
 function usage() {
 	var txt;
+
 	txt = "Usage:\n";
 	txt += "  cscript " + WScript.ScriptName + " <options>\n";
 	txt += "  cscript " + WScript.ScriptName + " help\n\n";
 	txt += "Options can be specified in the form <option>=<value>, where the value is\n";
 	txt += "either 'yes' or 'no', if not stated otherwise.\n\n";
 	txt += "\nModbus library configure options, default value given in parentheses:\n\n";
-	txt += "  dry-run:  Run configure without creating files (" + (testRun? "yes" : "no")  + ")\n";
+	txt += "  dry-run:  Run configure without creating files (" + (dryRun ? "yes" : "no")  + ")\n";
 	txt += "\nWin32 build options, default value given in parentheses:\n\n";
 	txt += "  compiler: Compiler to be used [msvc|mingw] (" + compiler + ")\n";
 	WScript.Echo(txt);
@@ -67,15 +48,15 @@ function readVersion() {
 	var fso, cf, ln, s;
 	fso = new ActiveXObject("Scripting.FileSystemObject");
 	cf = fso.OpenTextFile(configFile, 1);
-	while (cf.AtEndOfStream != true) {
+	while (cf.AtEndOfStream !== true) {
 		ln = cf.ReadLine();
 		s = new String(ln);
 		if (s.search(/^m4_define\(\[libmodbus_version_major/) != -1) {
-			verMajor = s.substr(s.indexOf(",") + 3, 1)
+			verMajor = s.substr(s.indexOf(",") + 3, 1);
 		} else if (s.search(/^m4_define\(\[libmodbus_version_minor/) != -1) {
-			verMinor = s.substr(s.indexOf(",") + 3, 1)
+			verMinor = s.substr(s.indexOf(",") + 3, 1);
 		} else if (s.search(/^m4_define\(\[libmodbus_version_micro/) != -1) {
-			verMicro = s.substr(s.indexOf(",") + 3, 1)
+			verMicro = s.substr(s.indexOf(",") + 3, 1);
 		}
 	}
 	cf.Close();
@@ -86,28 +67,30 @@ function createVersionedFile(newfile, unversioned) {
 	var fso, ofi, of, ln, s;
 	fso = new ActiveXObject("Scripting.FileSystemObject");
 	ofi = fso.OpenTextFile(unversioned, 1);
-	if (!testRun) {
+	if (!dryRun) {
 		of = fso.CreateTextFile(newfile, true);
 	}
-	while (ofi.AtEndOfStream != true) {
+	while (ofi.AtEndOfStream !== true) {
 		ln = ofi.ReadLine();
 		s = new String(ln);
-		if (!testRun && s.search(/\@LIBMODBUS_VERSION_MAJOR\@/) != -1) {
+		if (!dryRun && s.search(/\@LIBMODBUS_VERSION_MAJOR\@/) != -1) {
 			of.WriteLine(s.replace(/\@LIBMODBUS_VERSION_MAJOR\@/, verMajor));
-		} else if (!testRun && s.search(/\@LIBMODBUS_VERSION_MINOR\@/) != -1) {
+		} else if (!dryRun && s.search(/\@LIBMODBUS_VERSION_MINOR\@/) != -1) {
 			of.WriteLine(s.replace(/\@LIBMODBUS_VERSION_MINOR\@/, verMinor));
-		} else if (!testRun && s.search(/\@LIBMODBUS_VERSION_MICRO\@/) != -1) {
+		} else if (!dryRun && s.search(/\@LIBMODBUS_VERSION_MICRO\@/) != -1) {
 			of.WriteLine(s.replace(/\@LIBMODBUS_VERSION_MICRO\@/, verMicro));
-		} else if (!testRun && s.search(/\@LIBMODBUS_VERSION\@/) != -1) {
-			of.WriteLine(s.replace(/\@LIBMODBUS_VERSION\@/, verMajor+"."+verMinor+"."+verMicro));
+		} else if (!dryRun && s.search(/\@LIBMODBUS_VERSION\@/) != -1) {
+			of.WriteLine(s.replace(/\@LIBMODBUS_VERSION\@/, verMajor + "." + verMinor + "." + verMicro));
 		} else {
-			if (!testRun) 
+			if (!dryRun) {
 				of.WriteLine(ln);
+			}
 		}
 	}
 	ofi.Close();
-	if (!testRun) 
+	if (!dryRun) {
 		of.Close();
+	}
 }
 
 
@@ -117,18 +100,22 @@ function createVersionedFile(newfile, unversioned) {
  */
 
 // Parse the command-line arguments.
-for (i = 0; (i < WScript.Arguments.length) && (error == 0); i++) {
+for (i = 0; (i < WScript.Arguments.length) && (error === 0); i++) {
 	var arg, opt;
 	arg = WScript.Arguments(i);
 	opt = arg.substring(0, arg.indexOf("="));
 	if (opt.length > 0) {
-		if (opt == "dry-run")
-			testRun = strToBool(arg.substring(opt.length + 1, arg.length));
-		else if (opt == "compiler")
+		if (opt == "dry-run") {
+			var str = arg.substring(opt.length + 1, arg.length);
+			if (opt == 1 || opt == "yes") {
+				dryRun = true;
+			}
+		} else if (opt == "compiler") {
 			compiler = arg.substring(opt.length + 1, arg.length);
-		else
+		} else {
 			error = 1;
-	} else if (i == 0) {
+		}
+	} else if (i === 0) {
 		if (arg == "help") {
 			usage();
 			WScript.Quit(0);
@@ -140,44 +127,37 @@ for (i = 0; (i < WScript.Arguments.length) && (error == 0); i++) {
 
 
 // If we fail here, it is because the user supplied an unrecognised argument.
-if (error != 0) {
+if (error !== 0) {
 	usage();
 	WScript.Quit(error);
 }
 
 // Read the the version.
 readVersion();
-if (error != 0) {
+if (error !== 0) {
 	WScript.Echo("Version discovery failed, aborting.");
 	WScript.Quit(error);
 }
 
-var outVerString = baseName + " version: " + verMajor + "." + verMinor + "." + verMicro;
-// WScript.Echo(outVerString);
-
-newfile = srcDir + "\\modbus-version.h"
+newfile = srcDir + "\\modbus-version.h";
 createVersionedFile(newfile, srcDir + "\\modbus-version.h.in");
-if (error != 0) {
+if (error !== 0) {
 	WScript.Echo("Creation of " + newfile + " failed, aborting.");
 	WScript.Quit(error);
 }
 
-newfile = "modbus.dll.manifest"
+newfile = "modbus.dll.manifest";
 createVersionedFile(newfile, "modbus.dll.manifest.in");
-if (error != 0) {
+if (error !== 0) {
 	WScript.Echo("Creation of " + newfile + " failed, aborting.");
 	WScript.Quit(error);
 }
 
-newfile = "config.h"
+newfile = "config.h";
 createVersionedFile(newfile, "config.h.win32");
-if (error != 0) {
+if (error !== 0) {
 	WScript.Echo("Creation of " + newfile + " failed, aborting.");
 	WScript.Quit(error);
 }
 
-// Display the final configuration. 
-var txtOut = "\nLibmodbus configuration completed\n";
-WScript.Echo(txtOut);
-
-
+WScript.Echo("\nLibmodbus configuration completed\n");