JavaScript code to control the overlapping order of images (mouse movement switching)_Image special effects

<title>Change the overlapping order of images</title> <style type="text/css"> .s1{position:absolute; top:10;left:10; } .s2{position:absolute; top:50;left:50; } </style> <img class="s1 lazy" src="/static/imghw/default1.png" data-src="http://files.jb51.net/upload/201010/20101031232216942.jpg" id="ID1" onmouseover="ch(this)" alt="JavaScript code to control the overlapping order of images (mouse movement switching)_Image special effects" > <img class="s2 lazy" src="/static/imghw/default1.png" data-src="http://files.jb51.net/upload/201010/20101031232216617.jpg" id="ID2" onmouseover="ch(this)" alt="JavaScript code to control the overlapping order of images (mouse movement switching)_Image special effects" >
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