//Mathematic Captcha Script
//Simple spam protection for html forms

//Usage: 	<script type="text/javascript">GenMath()</script>
//		<input id="Button1" type="button" value="Check" onclick="alert(ValidMath());"/>

var a = Math.ceil(Math.random() * 10);
var b = Math.ceil(Math.random() * 10);       
var c = a + b;
var MathAnswer = a + b;
function GenMath(){
	document.write("<div>What is "+ a +" + "+ b +"?<span class=\"red\">*</span></div>");
	document.write("<input id='MathInput' type='text' maxlength='2' size='2'/>");
}    
function ValidMath(){
	var d = document.getElementById('MathInput').value;
	if (d == c) { theform.submit(); return true; }
	alert("You must enter the correct answer...");
	document.theform.MathInput.focus();
	return false;
}
//function MathAnswer(){ return c;}