function ShowPopup(hoveritem)
{
	hp = document.getElementById("hoverpopup");	
	// Set position of hover-over popup
	hp.style.top = hoveritem.offsetTop + 18;
	hp.style.left = hoveritem.offsetLeft + 20;
	
	// Set popup to visible
	hp.style.visibility = "Visible";
}

function HidePopup()
{
	hp = document.getElementById("hoverpopup");
	hp.style.visibility = "Hidden";
}