window.addEvent('domready',function(){
	//validation
	var contactVF = new inputsValidator($ES('input[type=text], textarea','contactform'));
	//form
	var contactForm = $('contactform');
	//validate form before submit
	contactForm.addEvent('submit',function(e){
		if(!contactVF.test()){
			new Event(e).stop();
			alert('Corrige los errores del formulario.');
			contactVF.focusInvalid();
		}
	});
});