function chgtx() {
	document.getElementById('p').disabled = !document.getElementById("s").checked;
	document.getElementById('t').disabled = !document.getElementById("s").checked;
	document.getElementById('l').disabled = !document.getElementById("s").checked;
	document.getElementById('a').disabled = !document.getElementById("s").checked;
	document.getElementById('ct').disabled = !document.getElementById("s").checked;
	document.getElementById('pv').disabled = !document.getElementById("s").checked;
	document.getElementById('hp').disabled = !document.getElementById("s").checked;
	document.getElementById('cl').disabled = !document.getElementById("s").checked;

	document.getElementById('pmin').disabled = !document.getElementById("s").checked;
	document.getElementById('pmax').disabled = !document.getElementById("s").checked;
}