function show()
{ 
	var far = document.degin.far.value;
	var deg = (far - 32) * 5/9;
	document.degin.cel.value = Math.round(deg);
}

function showt()
{
	var cels = document.degin.cel.value;
	var fin = (cels * 9/5)+32;
	document.degin.far.value = Math.round(fin);
}