function ShowPopup(hoveritem, hoverdiv)
{
    hp = document.getElementById(hoverdiv);
    
    // Set popup to visible
    hp.style.top = hoveritem.offsetTop + 'pt';
    hp.style.left = hoveritem.offsetLeft + 'pt';

    hp.style.visibility = "Visible";
}

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