var _curObj
            var del_sec = 1500
            var t = null

            function showHint(aObj, ind)
            {
                var obj = document.getElementById('hint');
                obj.innerHTML = hint[ind]
                obj = obj.style
                obj.visibility = 'visible'

                o1 = aObj
                var left = 0
                var top = 0
                while (o1 != null)
                {
                    left += o1.offsetLeft
                    top += o1.offsetTop
                    o1 = o1.offsetParent
                }
                obj.left = left
                obj.top  = top + aObj.offsetHeight
    
                _curObj = obj
                t = setTimeout('hideHint()', del_sec)
            }
            function hideHint(aObj)
            {
                var obj = document.getElementById('hint').style;
                obj.visibility = 'hidden'
                if (null != t)
                {
                    clearTimeout(t)
                }
            }