/**
 *	Override captcha field with 'captcha_override'
 *	Validators should skip captcha validation when this field is set
 */
window.addEvent('domready', function() {
	if(captchaField = $E('div.captcha')){
		captchaField.innerHTML = '<input type="hidden" name="captcha_override" value="true" />';
	}
});