function wfText(s)
{
	if (!s) s="Move your mouse over each part of the image for more information"
	var p = document.getElementById("workflowrollover");
	p.innerHTML=s;
}
function turnOffDirection(s)
{
	var d = document.getElementById(s);
	var l = document.getElementById(s + 'link');
	d.style.display='none';
	l.style.fontWeight='normal';
	l.style.color="#808080";
}

function turnOnDirection(s)
{
	var d = document.getElementById(s);
	var l = document.getElementById(s + 'link');
	d.style.display='block';
	l.style.fontWeight='bold';
	l.style.color="#000000";
}

function directionsBy(s)
{
	turnOffDirection('train');
	turnOffDirection('car');
	turnOffDirection('carnorth');
	turnOffDirection('carsouth');
	if (s!='train')
		turnOnDirection('car');
	turnOnDirection(s);
}

function platform(s)
{
	turnOffDirection('win');
	turnOffDirection('mac');
	turnOffDirection('linux');
	turnOnDirection(s);
}