[hidefocus]：非IE通过这个CSS样式设置 [hidefocus]{outline:0}可以达到a标签点击时没有虚线框

对于IE浏览器需要设置 hidefocus属性为true

<a href="http://flyheaven.blog.163.com/blog/#" hidefocus="true" title="XX">没有虚线框</a>

-----------------------------------------------------------待续-----------------------------------------