<a href="#" onmouseover="document.images['mybt'].src='images/bt_over.gif'" onmouseout="document.images['mybt'].src='images/bt_up.gif'" onmousedown="document.images['mybt'].src='images/bt_down.gif'" onmouseup="document.images['mybt'].src='images/bt_over.gif'" > <img name="mybt" src="images/bt_up.gif" width="120" height="35" border="0" /> </a>ตัวอย่างผลลัพธิ์
