做两个图
<img src='a.gif' onmouseover="this.src='b.gif'>

解决方案 »

  1.   

    <HTML>
    <HEAD>
    <META NAME="GENERATOR" Content="Microsoft Visual Studio 6.0">
    <STYLE>
    button.class1{
    background-color:#c0c0c0;
    border: 1px solid #000000;
    }
    button.class2{
    background-color:#ffffff;
    border: 1px solid #000000;
    }
    </STYLE>
    </HEAD>
    <BODY><Button class="class1" onmouseover="this.className='class2'" onmouseout="this.className='class1'">test</Button></BODY>
    </HTML>
      

  2.   

    <td onMouseOver="this.style.filter='chroma(color=#003366)'; " onMouseout="">
     <img src="">
    </td>