【img】
<html>
<head>
<script type="text/javascript" src='http://code.jquery.com/jquery-1.5.2.js'></script>
<script type="text/javascript">
$(document).ready(function(){
$("img").attr("src", function() {
return "/images/" + this.title;
});
});
</script>
</head>
<body>
<img title="a.gif"/>
</body>
</html>
