function onKeyPress()
	{
		if ( ( document.getElementById("Amount").value.length == 0 ) )
			document.getElementById("Calculate").disabled = true;
		else
			document.getElementById("Calculate").disabled = false;
	}
	function onSelectShares()
	{
		document.getElementById("SharesNote").style.visibility = "visible";
		document.getElementById("SharesNote").style.display = "block";
		document.getElementById("SharesNote2").style.visibility = "visible";
		document.getElementById("SharesNote2").style.display = "block";
		document.getElementById("SharesNote3").style.visibility = "hidden";
		document.getElementById("SharesNote3").style.display = "none";
	}
	function onSelectOther()
	{
		document.getElementById("SharesNote").style.visibility = "hidden";
		document.getElementById("SharesNote").style.display = "none";
		document.getElementById("SharesNote2").style.visibility = "hidden";
		document.getElementById("SharesNote2").style.display = "none";
		document.getElementById("SharesNote3").style.visibility = "visible";
		document.getElementById("SharesNote3").style.display = "block";
	}