JS实现单个图片美化选中框，选择框，也就是大家熟悉的checkbox功能，大家看下演示效果，比传统的复选框要漂亮多了，鼠标点击图片即可出现美化后的选择框，一个红色的对勾，兼容火狐和IE，效果不错。-JS achieve a single picture beautification check the box, check box, which is familiar checkbox feature, we look at presentations, to more beautiful th