Cufon.replace('span', {
	fontFamily: 'anivers'
});

Cufon.replace('h1', {
	fontFamily: 'anivers'
});

Cufon.replace('h2', {
	fontFamily: 'anivers'
});

function isValidEmail(email){
	var reg = /^[_a-z0-9-]+(\.[_a-z0-9-]+)*@[a-z0-9-]+(\.[a-z0-9-]+)*(\.[a-z]{2,3})$/;
    return reg.test(email);
}

function validar_f(){

	var msj = "";
	var ok = 1;
	if(!isValidEmail(document.getElementById('email').value)){
		msj += '- El email introducido no es válido\n';
		ok=0;
	}
	
	if(!ok){
		alert(msj);
	}

	return ok;
}