function rbSpa() {
	window.document.sizing.pool.checked = false;
	valueCheck();   
}

function rbPool() {
	window.document.sizing.spa.checked = false;
	valueCheck();   
}

function rbIndoor() {
	window.document.sizing.outdoor.checked = false;
   	valueCheck();
}

function rbOutdoor() {
	window.document.sizing.indoor.checked = false;
   	valueCheck();
}