var div_el = null;

function showHint(evt, el)
{
    var e = (window.event) ? window.event : evt;
    var div_els = el.getElementsByTagName('DIV');
    if (div_els)
    {
        if (div_els[0].innerHTML != '')
        {
            div_el = div_els[0];
            div_el.style.left = e.clientX + 10 + document.body.scrollLeft;

            div_el.style.top = e.clientY + 10 + document.body.scrollTop;
            div_el.style.display = '';
        }
    }
}

function hideHint(el)
{
    var div_els = el.getElementsByTagName('DIV');
    
    if (div_els)
    {
        div_els[0].style.display = 'none';
        div_el = null;
    }
}

function moveHint(evt)
{
    var e = (window.event) ? window.event : evt;

    if (div_el != null)
    {
        div_el.style.left = e.clientX + 10 + document.body.scrollLeft;
        div_el.style.top = e.clientY + 10 + document.body.scrollTop;
    }
}