function preloadImage(filename) {
	if (filename != "")
	{
		img = new Image();
		img.src = filename;
		//alert(filename);
		//window.status = "done";
		
		return true;

	}
}

function showBook()
{
	var book = $("booklinks");
	if (book != null)
	{
		book.style.display = "block";
	}
}

function hideBook()
{
	var book = $("booklinks");
	if (book != null)
	{
		book.style.display = "none";
	}
}

function showPriv()
{
	var priv = $("divPriv");
	if (priv != null)
	{
		priv.style.display = "block";	
		//priv.scrollIntoView();		
					
	}
	
	$("digits").focus();
	
	return false;
}

function validatePriv()
{
	$('btnGo').disabled = true;
	$('resPriv').innerHTML = " ";
	var digits = $('digits');
	var num = digits.value;
	if (digits != null)
	{
		new ajax('../validate.aspx?num=' + num, {onComplete: evalPriv});
	}
	
	return false;
}

function evalPriv(request)
{
	text = request.responseText;
	if (text.indexOf('/') != -1)
	{
		location.href = text;
	}
	else
	{
		$('resPriv').style.display = 'block';
		$('resPriv').innerHTML = text;
		$('btnGo').disabled = false;
	}
}