获取浏览器url的参数

//JavaScript版： function getUrlParam(name){    var reg = new RegExp("(^|&)"+ name +"=([^&]*)(&|$)");    var r = window.location.search.substr(1).match(reg);    if (r!=null) return unescape(r[2]); return null;    }//获取http://caibaojian.com/?p=177.html的p值//var param = getUrlParam('rulid'); //=1685//jQuery版：<script type="text/javascript">(function($){$.getUrlParam = function(name){var reg = new RegExp("(^|&)"+ name +"=([^&]*)(&|$)");var r = window.location.search.substr(1).match(reg);if (r!=null) return unescape(r[2]); return null;}})(jQuery);$(function(){alert(window.location.href);alert($.getUrlParam('page'));})</script>