鼠标放上去图片切换效果

鼠标放上去图片切换效果

<script language="javascript">
  function changeImg(obImg,sNewURL)
  {
       if(sNewURL!="") obImg.src=sNewURL;
  }
  </script>
<img style="cursor:hand;" src="图片地址" border="0" width="50" height="30" onmouseover="changeImg(this,'图片地址');" onmouseout="changeImg(this,'图片地址');">