function openSection(id)
{
	var img = document.getElementById("img-"+id);
	
	if (img.src.indexOf("open") > -1)
	{
		img.src = "images/arrow-closed.gif";
		document.getElementById(id).style.display="none";
	}
	else
	{
		img.src = "images/arrow-open.gif";
		document.getElementById(id).style.display="block";
	}
}