function ValidaCampos(){
	var formu = document.frm;
	if (formu) {
		if (!ValidaNulo(formu.UsuaNombre) || 
				!ValidaNulo(formu.UsuaApellidos) || 
					!ValidaCamposUsua() || 
					!ValidaL(formu.UsuaCP)	|| 
					!ValidaEmail(formu.UsuaEmail) || 
					!ValidaEmailConf(formu.UsuaEmail, formu.UsuaConfirmaEmail) || 
					!ValidaCheck(formu.UsuaAcepta)) {
			return false;
		} else {
			formu.submit();
		}
	}
}