我有一种工作使用jquery替换一些div为你的css使用代码：

I kind of got it working using jquery to replace the On with some divs for your css using the code:

cssimage = '<div class="button-wrap">  <div class="button-out">On</div> <div class="button-switch"></div> </div>'

$('span:contains("On")').html(cssimage);

查看 http://jsfiddle.net/VpvxR/