function showPrivacyCredit(){
	document.getElementById('privacy_credit_box').style.display = '';
}

function hidePrivacyCredit(){
	document.getElementById('privacy_credit_box').style.display = 'none';
}

function showElements(elementsName){
	document.getElementById(elementsName).style.display = '';
}

function hideElements(elementsName){
	document.getElementById(elementsName).style.display = 'none';
}