要完成此效果把如下代码加入到区域中
<script language="JavaScript">
if ( had_tips != 1 ) {
var    _ua = document.all ? ((navigator.userAgent.indexOf('MSIE 5') > 5) ? "ie5" : "ie4") : "foo";
if (_ua != "foo" ) {
    if (typeof(_doc) == "undefined" || _doc == null) _doc = document;
    var    _tipx = 0;
    var    _tipy = 0;
    var    _tipOX = 10;
    var    _tipOY = 1;
    var    _tipWidth;
    
    // Opacity=70 提示框背景透明度
    _doc.write('
');
    
    _doc.onmousemove = tsai;
    var    _tip = _doc.all['TIP__'];
    }
}
var    had_tips = 1;
function tsaiannie (sMsg, sTitle, iWidth, iHeight, iBorder, sTFC, sTBC, sMFC, sMBC) {
    _tipWidth = 180;         // 提示框的寬度
    var    _tipBorder = 2,      // 提示框边框的寬度
    _tipTFC = "#FFF8F0",  
    _tipTBC = "#ff8c00",      // 提示框边框的顏色
    _tipMFC = "#3F3F38",
    _tipMBC = "ffffff";      // 提示框背景的顏色
    
    if (_ua == "foo") return;
    _tip.innerHTML    = '
| '
            + ((sTitle != null) ? '' : '')
            + ' | 
';
    annie();
    _tip.style.display = "";
}
function tsai() {
    if (_ua == "ie4") {
        _tipx = event.x;
        _tipy = event.y;
    } else if (_ua == "ie5") {
        _tipx = (event.clientX + _tipOX + _tipWidth <= _doc.body.clientWidth) ? 
            (event.clientX + _doc.body.scrollLeft + _tipOX) : 
            (event.clientX + _doc.body.scrollLeft - _tipWidth - 5);
        _tipy = event.clientY + _doc.body.scrollTop + _tipOY;
    } else {
        return;
    }
    if (_tip.style.display != "none") annie();
}
function annie() {
    _tip.style.pixelTop = _tipy;
    _tip.style.pixelLeft = _tipx;
}
function tsai900403 () {
    _tip.style.display = "none";
}
document.write('
鼠标移过来看效果');
</script>