function toggle(){
if(document.calc.Accommodation[1].selected && document.getElementById('pool').style.display == 'none'){ 
document.getElementById('pool').style.display = 'block'; 
}
else{ 
document.getElementById('pool').style.display = 'none';
document.calc.vicpool.checked = false;
document.calc.viclifeguard.checked = false;
}
}