var a = document;//var e = a.referrer;var e = 'http://www.google.com.hk/search?hl=zh-CN&newwindow=1&safe=strict&q=w3ctech&aq=f&aqi=&aql=&oq=';function f() {this.tags = {};this.clicks = [];this.getSt()}f.prototype = {sindex: [1, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13],sengin: ["baidu.com", "baidu.com", "google.com", "google.cn", "sogou.com", "zhongsou.com", "search.yahoo.com", "one.cn.yahoo.com", "soso.com", "114search.118114.cn", "search.live.com", "youdao.com", "gougou.com", "bing.com"],sword: ["word", "wd", "q", "q", "query", "w", "p", "p", "w", "kw", "q", "q", "search", "q"],getValue: function(m, n) {var l = new RegExp("(^|&|\\?)" + m + "=([^&]*)(&|\x24|#)");var k = n.match(l);return k ? k[2] : ""},getSt: function() {var x = null;var k = e;var w = this.sengin;var u = this.sword;var q = this.sindex;for (var o = 0; o < w.length; o++) {if ((k.indexOf(w[o]) > -1) && (this.getValue(u[o], k))) {this.tags.sw = this.getValue(u[o], k);this.tags.se = q[o];this.tags.st = "2";return;}}return this.tags;}}var b = new f();alert(b.tags);for (var k in b.tags) {alert(b.tags[k]);}