function lightenLink(parentBlock)
{
	for (i=0; i<document.links.length; i++)
	{
		if (!location.href.indexOf(document.links.item(i).href) &&
			(document.links.item(i).parentElement.className==parentBlock))
		{
		document.links.item(i).className = "highlighted";
		}

	}
}

function ShowText(number)
{
var details = document.getElementById("details" + number);	
	if(details.style.display=="block")
	{
        details.style.display="none";
        }
	else        
	details.style.display="block";
}