if (refer != '') {

domain = refer.match(/http://www.([^/]+)//)[1];

var kwArr = [{ "dm": "so.com", "kw": "q", "name": "360" }, { "dm": "google.com.hk", "kw": "q", "name": "谷歌香港" }, { "dm": "baidu.com", "kw": "wd|word", "name": "百度" }, { "dm": "soso.com", "kw": "w", "name": "搜搜" }, { "dm": "yahoo.com", "kw": "q", "name": "雅虎" }, { "dm": "bing.com", "kw": "q", "name": "bing" }, { "dm": "sogou.com", "kw": "query", "name": "搜狗" }, { "dm": "youdao.com", "kw": "q", "name": "有道"}];

for (var item in kwArr) {

var $dm = kwArr[item].dm;

var $kw = kwArr[item].kw;

var $name = kwArr[item].name; if (domain == $dm) {

eval("var reg = /[?&](" + $kw + ")=(.+?)(&|$)/ig;");

var keywordCollection = reg.exec(refer);

while (keywordCollection != null) {

keyword = RegExp.$2 + ",";

keywordCollection = reg.exec(refer);

} if (keyword != '') {

keyword = keyword.substring(0, keyword.length - 1);

} channel = $name; userkeyword = decodeURI(keyword);

}

}

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