只用html和javascript实现表单信息的储存和读取
用html编写注册页面后，提交注册信息后，如何将内容保存在cookie里
用html编写登录界面，如何验证 填写的信息是否正确（即 如何从cookie里读取出注册的信息，并加以验证）
我文字功底很低，喜欢大侠们能写的通俗易懂。能写个小小的demo最好不过，先谢谢了
上一次问了，没人能回答出来，我就不信了，CSDN这么多人就没人能解决？高手都在哪？我会一直等到CSDN倒闭！
[解决办法]
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head> <title>JS-Cookie testing</title> <script type="text/javascript"> var Cookies = {}; /** 设置Cookies */ Cookies.set = function(name, value) { var argv = arguments; var argc = arguments.length; var expires = (argc > 2) ? argv[2] : null; var path = (argc > 3) ? argv[3] : '/'; var domain = (argc > 4) ? argv[4] : null; var secure = (argc > 5) ? argv[5] : false; document.cookie = name + "=" + escape(value) + ((expires == null) ? "" : ("; expires=" + expires.toGMTString())) + ((path == null) ? "" : ("; path=" + path)) + ((domain == null) ? "" : ("; domain=" + domain)) + ((secure == true) ? "; secure" : ""); }; /** 读取Cookies */ Cookies.get = function(name) { var arg = name + "="; var alen = arg.length; var clen = document.cookie.length; var i = 0; var j = 0; while (i < clen) { j = i + alen; if (document.cookie.substring(i, j) == arg) return Cookies.getCookieVal(j); i = document.cookie.indexOf(" ", i) + 1; if (i == 0) break; } return null; }; /** 清除Cookies */ Cookies.clear = function(name) { if (Cookies.get(name)) { var expdate = new Date(); expdate.setTime(expdate.getTime() - (86400 * 1000 * 1)); Cookies.set(name, "", expdate); } }; Cookies.getCookieVal = function(offset) { var endstr = document.cookie.indexOf(";", offset); if (endstr == -1) { endstr = document.cookie.length; } return unescape(document.cookie.substring(offset, endstr)); }; //创建一个Cookie Cookies.set('testName', 'testValues'); //获取该Cookie的值 alert(Cookies.get('testName')); //清除该Cookie //Cookies.clear('testName'); </script></head><body></body></html>