// JavaScript Document
function validateform()
{
var email = document.getElementById('email').value;
var captcha = document.getElementById('captcha').value;
	
if (email=="" || email==null || email==false) 
{
alert("Please enter your email address");
return false;
}
else if (captcha!=4)
{
alert("Please enter the correct value for 2+2");	
return false;
}
}