Simple Captcha

Sometimes the simplest methods is the most powerful.
That is what I said here in my blog


Public

Tested

My Own Work
Published:  http://anmarsystems.com/About/Blog/?ID=77
Source:  https://app.box.com/s/7fe0jq4gmc


<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" >
<head>
 <title>BotBoot</title>
 <script type="text/javascript">
  var a = Math.ceil(Math.random() * 10);
  var b = Math.ceil(Math.random() * 10);
  var c = a + b
  function DrawBotBoot(){
   document.write("What is "+ a + " + " + b +"? ");
   document.write("<input id='BotBootInput' type='text' maxlength='2' size='2'/>");
  }
  function ValidBotBoot(){
   var d = document.getElementById('BotBootInput').value;
   if (d == c) return true;
   return false;
  }
 </script>
</head>

<body>

Are you human?<br />
<script type="text/javascript">DrawBotBoot()</script>
<input id="Button1" type="button" value="Check" onclick="alert(ValidBotBoot());"/>


</body>
</html>

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JS+JQuery Protection
ANmarAmdeen
655
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v3.0