/**
 *	Override captcha field with 'captcha_override'
 *	Validators should skip captcha validation when this field is set
 */
window.addEvent('domready', function() {
	$('frm_b2b').addEvent('click', function(check){
		$('delivery_b2b').setStyle('display', $('frm_b2b').checked? 'block' : 'none');
		$('delivery_b2c').setStyle('display', $('frm_b2b').checked? 'none' : 'block');
	})
});