var hoveritem
function ShowPopup(hoveritem)
{
hp = document.getElementById([hoveritem]);
// Set popup to visible
hp.style.visibility = "Visible";
hp.style.display = "block";
}

function HidePopup(hoveritem)
{
hp = document.getElementById([hoveritem]);
hp.style.visibility = "Hidden";
hp.style.display = "none";
}