javascript radio list的实现细节(多浏览器兼容)_表单特效

可支持方向键
当radio最后一个选中时，按小键盘后会自动跳回第一个
checked可自动触发onclick
支持各种浏览器,cross-browser

<title>Rank's HTML document</title> <meta http-equiv="Content-Type" content="text/html; charset=gb2312"> <meta http-equiv="Pragma" content="no-cache"> <meta http-equiv="Cache-Control" content="no-cache"> <meta http-equiv="Expires" content="0"> <meta http-equiv="ImageToolbar" content="no"> <meta http-equiv="Creator.name" content="Rank, BlueDestiny, never-online"> <style type="text/css" title="default" media="screen"> /*<![CDATA[*/ body { font:13px/1.5 arial; } /*]]>*/ </style> <h1>radio list</h1>