diff --git a/index.php b/index.php
index b44fa80..b423eda 100755
--- a/index.php
+++ b/index.php
@@ -17,11 +17,16 @@
 </div>
 <div style="border: 1px solid #000000; text-align: left; padding: 8px;">
 <?php
+	$sqluser='pwtool';
+	$sqlpass='BaVYtU9YqMyrp4qi';
+	$sqlhost='localhost';
+	$captcahsdotnetuser='demo';
+	$captcahsdotnetpass='secret';
 	try {
 		$pdo = new PDO(
-				'mysql:host=localhost;dbname=pwtool;charset=utf8',
-				'pwtool',
-				'BaVYtU9YqMyrp4qi',
+				"mysql:host=$sqlhost;dbname=pwtool;charset=utf8",
+				"$sqluser",
+				"$sqlpass",
 				[PDO::ATTR_EMULATE_PREPARES => false,
 			 PDO::ATTR_ERRMODE => PDO::ERRMODE_EXCEPTION]
 		);
@@ -30,7 +35,7 @@
 	};
 
 	require 'CaptchasDotNet.php';
-	$captchas = new CaptchasDotNet ('demo', 'secret',
+	$captchas = new CaptchasDotNet ("$captcahsdotnetuser", "$captcahsdotnetpass",
 	                                '/tmp/captchasnet-random-strings','3600',
 	                                'abcdefghkmnopqrstuvwxyz','6',
 	                                '240','80','000088');