// Salesforce Lead Object Form Validator

function validation(form) {

if(form.captcha.value != 'e5hb') {

alert('Please enter the proper security code');
form.captcha.focus();
return false;
}
      
if(form.first_name.value == '') {

alert('Please enter your first name.');
form.first_name.focus();
return false;
}

if(form.last_name.value == '') {

alert('Please enter your last name.');
form.last_name.focus();
return false;
}

if(form.email.value == '') {

alert('Please enter your email address. Your email address will be kept private.');
form.email.focus();
return false;
}
var at="@"
if(form.email.value.indexOf(at)==-1) {

alert('Please enter a valid email address. Your email address will be kept private.');
form.email.focus();
return false;
}


return true;
}