js图片变换

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="zh-cn">

<head>

	<meta http-equiv="Content-Type" content="text/html;charset=UTF-8" />

	<title>网页标题</title>

	<meta name="keywords" content="关键字列表" />

	<meta name="description" content="网页描述" />

	<link rel="stylesheet" type="text/css" href="" />

	<style type="text/css"></style>

	<script type="text/javascript"></script>

</head>

<body>

	<img src = "jd1.png" id = "changeImg">

	<script type="text/javascript">

		var imgObj = document.getElementById("changeImg");

		imgObj.onmouseover = function()

		{

			imgObj.src = "jd2.png";

		}

		imgObj.onmouseout = function()

		{

			imgObj.src = "jd1.png";

		}

		imgObj.onmouseup = function()

		{

			imgObj.src = "1.jpg";

		}

		imgObj.onmousedown = function()

		{

			imgObj.src = "2.jpg";

		}

	</script>

</body>

</html>
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