<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>无标题文档</title>
<style type="text/css">
.uli{width:875px;height:auto;margin-right:7px}
.uli li{width:173px;height:73px;border:thin solid #ececec;display:block;float:left;position:relative}
.uli li:hover{border-color:#f00;z-index:9}
</style>
<script type="text/javascript" src="http://s0.qhimg.com/lib/jquery/183.js"></script>
<script type="text/javascript">
$(document).ready(function() {
function hoverBorder(lineNum){
var test = $('.uli li');
var i,
j ,
colNum = Math.ceil(test.length/lineNum);
for(i=0;i<colNum;i++){
for(j=0;j<lineNum;j++){
test.eq(j + lineNum * i).css({
top:function(){return - i},
left:function(){return - j}
});
}
}
}
hoverBorder(5);
});
</script>
</head>
<body>
<ul class="uli">
<?php
for($n=0;$n<25;$n++){
echo '<li>This is '. $n .'</li>';
}
?>
</ul>
</body>
</html>