function showTag()
{
    var numID = this.id.replace(/[^\d]/g,'');
    var obj = document.getElementById('tagContainer' + numID);
    obj.style.display='block';
}

function hideTag()
{
    var numID = this.id.replace(/[^\d]/g,'');
    var obj = document.getElementById('tagContainer' + numID);
    obj.style.display = 'none';
}

function initShowHideTag()
{
    var obj = document.getElementsByTagName('TR');
    for(var no=0; no<obj.length; no++){
        if (obj[no].className == 'tag') {
            obj[no].onmouseover = showTag;
            obj[no].onmouseout = hideTag;
        }
    }
}