<!DOCTYPE html>
<html lang="ja-JP">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width,user-scalable=yes,initial-scale=1.0,minimum-scale=1.0,maximum-scale=1.5">
<title></title>
<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.7.1/jquery.min.js"></script>
<script>
$(function(){
$("img").click(function(){
$("span").html($("h1").html());
});
});
</script>
<style>
h1 img{
display:block;
width:200px;
height:200px;
cursor:pointer;
}
span img{
display:block;
position:absolute;
top:100px;
left:100px;
width:400px;
height:400px;
}
</style>
</head>
<body>
<h1><img src="img/enlarge.png"></h1>
<span></span>
</body>
</html>