var RecaptchaOptions = {
    theme : 'custom',
    custom_theme_widget: 'recaptcha'
 };

function submit_form() {
	
	// Check email address
	if($('email').value == '' || !isEmailAddress($('email').value)) {
		alert('Please enter a valid email address');
        $('email').focus();
        return false;	
	}
	
	if($('recaptcha_response_field').value == '') {
		alert('Please enter the text displayed in the Re-Captcha image.');
        $('recaptcha_response_field').focus();
        return false;	
	}	
}