JAVASCRIPT复制到剪贴板(3)

使用注意事项：

1. IE 6, IE 7, IE 8, FF 3.6, Chrome 8, Safari 5, Opera 11 测试通过

2. 对于正式的CSS效果：
    
   /* zClip is a flash overlay, so it must provide */
   /* the target element with "hover" and "active" classes */
   /* to simulate native :hover and :active states. */
   /* Be sure to write your CSS as follows for best results: */
                 
   a:hover, a.hover {...}
   a:active, a.active {...}