function isValidInput()
{
	var result = true;
	var cardIDTextBox = window.document.getElementById("cardIDTextBox");
	if(trim(cardIDTextBox.value) == "")
	{
		alert("Please enter your card ID.");
		cardIDTextBox.select();
		result = false;
	}
	return result;
}

function pageSpecificOnLoad()
{
	window.document.getElementById("cardIDTextBox").focus();
}