<img id="readmoreimg" src="<?php bloginfo('template_url'); ?>/p_w_picpaths/catmore.jpg" onmouseover="over(this);" onmouseout="out(this);" />
<script language="javascript">
var imgUrl = '';
function over(_img){
var img = _img,
url = img.src,
newUrl = url.substr(0, url.length-4) + 'two.jpg';
imgUrl = url;
img.src = newUrl;
}
function out(_img){
_img.src = imgUrl;
}
</script>
<td id="img" height="100" background="图片路径" onmouseover="over();" onmouseout="out();"> </td>
<script language="javascript">
function over()
{
document.getElementById("img").background="图片路径";
}
function out()
{
document.getElementById("img").background="图片路径";
}
< /script>
转载于:https://blog.51cto.com/brokenjoin/1296363