要完成此效果需要两个步骤 第一步：把如下代码加入到区域中 <script language="JavaScript1.2"> function changeto(highlightcolor){ source=event.srcElement if (source.tagName=="TR"||source.tagName=="TABLE") return while(source.tagName!="TD") source=source.parentElement if (source.style.backgroundColor!=highlightcolor&&source.id!="ignore") source.style.backgroundColor=highlightcolor } function changeback(originalcolor){ if (event.fromElement.contains(event.toElement)||source.contains(event.toElement)||source.id=="ignore") return if (event.toElement!=source) source.style.backgroundColor=originalcolor } </script> 第二步：把如下代码加入到区域中

JavaScript Fairyland

JavaScript Fairyland

JavaScript Fairyland

JavaScript Fairyland

JavaScript Fairyland