var a = Math.ceil(Math.random() * 99);
    var b = Math.ceil(Math.random() * 99);       
    var c = a + b
    function DrawBotBoot()
    {
        document.write("Spam Check : What is "+ a + " + " + b +"? ");
        document.write("<input id='BotBootInput' type='text' maxlength='3' size='4'/>");
		 document.write('<input id="Button1" type="button" value="Check" onclick="ValidBotBoot()"/>');
    }    
    function ValidBotBoot(){
        var d = document.getElementById('BotBootInput').value;
        if (d == c){ 
		document.getElementById('formvalid').style.display = 'block';
		document.getElementById('check').style.display = 'none';
		return true;
		} 
		alert("Invalid");
        return false;
        
    }
    

<!--
//Function that validates email address
function checkEmail() {
	var emailChar = /^[\w\-\.\+]+\@[a-zA-Z0-9\.\-]+\.[a-zA-z0-9]{2,4}$/;
	if(document.getElementById('email').value.match(emailChar)){
		return true;
	}
	else {
		alert("Please enter a valid email address. (For example, myname@website.com)");
		return false;
	}
}
// -->

<!--
//Function that validates required fields
function validate_form ( )
{
valid = true;

if ( document.getElementById('guestres').Name.value == "")
{alert ( "First Name is required." ); valid = false;}



if ( document.getElementById('guestres').email.value == "" )
{alert ( "Email Address is required." ); valid = false;}

if ( document.getElementById('guestres').Country.value == "" )
{alert ( "Nationality is required." ); valid = false;}



if ( ( document.getElementById('guestres').Type[0].checked == false ) && ( document.getElementById('guestres').Type[1].checked == false ) && ( document.getElementById('guestres').Type[2].checked == false ) )
{alert ( "Please select Room type." ); valid = false;}


if ( document.getElementById('guestres').Rooms.value == "" )
{alert ( "Rooms is required." ); valid = false;}

if ( document.getElementById('guestres').Guests.value == "" )
{alert ( "Guests is required." ); valid = false;}

if ( document.getElementById('guestres').Nights.value == "" )
{alert ( "Nights is required." ); valid = false;}


if ( document.getElementById('guestres').arrDate.value == "" )
{alert ( "Arrival Date is required." ); valid = false;}

/*
if ( document.getElementById('guestres').state.selectedIndex == 0 )
{alert ( "Please select a state. If you do not live in the United States, choose 'I live outside the US'." ); valid = false;}

if ( document.getElementById('guestres').zip.value == "" )
{alert ( "Zip/Postal Code is required." ); valid = false;}

if ( document.getElementById('guestres').phone.value == "" )
{alert ( "Daytime Phone is required." ); valid = false;}

if ( ( document.getElementById('guestres').gender[0].checked == false ) && ( document.getElementById('guestres').gender[1].checked == false ) )
{alert ( "Please select your gender." ); valid = false;}

if ( document.getElementById('guestres').univAffiliation.selectedIndex == 0 )
{alert ( "Please select your University Affiliation." ); valid = false;}

if ( document.getElementById('guestres').deptAffiliation.value == "" )
{alert ( "Academic Department Affiliation is required." ); valid = false;}

if ( document.getElementById('guestres').arrDate.value == "" )
{alert ( "Arrival Date is required." ); valid = false;}

if ( document.getElementById('guestres').depDate.value == "" )
{alert ( "Departure Date is required." ); valid = false;}

if ( ( document.getElementById('guestres').whoPays[0].checked == false ) && ( document.getElementById('guestres').whoPays[1].checked == false ) )
{alert ( "Please select who will be responsible for billing." ); valid = false;}*/

return valid;
}
// -->