function checkSubscriptions(idForm) {

	if( !idForm.email_1.checked
	 && !idForm.email_2.checked
	 && !idForm.email_3.checked
	 && !idForm.email_4.checked
	 && !idForm.email_5.checked ) {
	
		alert('You have to tick at least one alert.');
		return false;	
	
	}

	if( !testRE(idForm['email'],     reEmail,    'Email address') ) return false;

	if( !testRE(idForm['cellulare'], reTelCell,  'Mobile number') ) return false;

	if( !testRE(idForm['azienda'],   reNotEmpty, 'Company') ) return false;	
	
	if( testRadioElement(idForm['form_field_disclaimer'], 'no') ) {
	
		alert("You have to accept Parmalat's Privacy policy.");
		return false;
	
	}
	
	return true;

}