// alert(document.location.href);

function page()
	{
	var url = document.location.href;
	var pos	= url.lastIndexOf('/');
	var file = url.substr(pos + 1, url.length);
	pos = file.lastIndexOf('.');
	file = file.substr(0,pos);
	var i = 0;
	for (i = 0; i < currentTour.length; i++)
		if (file == currentTour[i])
			return i;
	return -1;
	}


function checkButtons()
	{
	var j = page();
	if (j == 0) document.getElementById("prevButton").style.display="none";
	if (j == currentTour.length - 1) 
		{
		document.getElementById("nextImg").src = "/tours/images/bottomnav-close.gif";
		document.getElementById("nextButton").href="javascript:window.close();";
		}
	}

function navigate(direction)
	{
	var j = page() + direction;
	document.location.href = currentTour[j] + ".asp";
	}
	
function emailQuestions()
	{
	window.opener.location.href = "/info/index.asp";
	setTimeout("window.opener.focus()",300);
	}
	
function getExpert()
	{
	window.opener.location.href = "/info/index.asp";
	setTimeout("window.opener.focus()",300);
	}
	
function highlight(number)
	{
	document.getElementById("n" + number).style.color = "#990000";
	}