document对象links[n].href和images[n].src都是绝对地址！

<a href="aaa.asp">Links1</a><a href="../bbb.htm">Links2</a>
<a href="http://www.mzwu.com/ccc.htm">Links3</a>
<img name="" src="ddd.gif" width="32" height="32" alt="" />
<img name="" src="../eee.gif" width="32" height="32" alt="" />
<img name="" src="http://www.mzwu.com/fff.htm" width="32" height="32" alt="" />
<script language="javascript">
var links   = document.links;
for(var i=0;i<links.length;i++)
{
	document.write(links[i].href + "<br/>");
}

var links   = document.images;
for(var i=0;i<links.length;i++)
{
	document.write(links[i].src + "<br/>");
}
</script>