// 获取URL参数
function _getQueryParam(name)
{
  var reg = new RegExp("(^|&)"+ name +"=([^&]*)(&|$)");
  var r = window.location.search.substr(1).match(reg);
  if (r!=null) return unescape(r[2]); return null;
}

//设定Cookie值
function _setCookie(name, value)
{
  var expdate = new Date();
  var argv = SetCookie.arguments;
  var argc = SetCookie.arguments.length;
  var expires = (argc > 2) ? argv[2] : null;
  var path = (argc > 3) ? argv[3] : null;
  var domain = (argc > 4) ? argv[4] : null;
  var secure = (argc > 5) ? argv[5] : false;
  if(expires!=null) expdate.setTime(expdate.getTime() + ( expires * 1000 ));
  document.cookie = name + "=" + escape (value) +((expires == null) ? "" : ("; expires="+ expdate.toGMTString()))
  +((path == null) ? "" : ("; path=" + path)) +((domain == null) ? "" : ("; domain=" + domain))
  +((secure == true) ? "; secure" : "");
}

// 广告联盟自动取参数处理函数
function on_adu_init__0x0001() {
	var vt = getQueryParam('vt');
    
	if (vt && vt.length >= 5 && isNumbers(vt)) {
        SetCookie('vt', vt, null, "/", ".keepc.com");
    }
	
	// 网站联盟注册参数支持
	var webid = getQueryParam('webid');
	if (!webid) webid = getQueryParam('id'); // 短名字支持
	
	var notify_target = getQueryParam('notify_target');
	if (!notify_target) notify_target = getQueryParam('t'); // 短名字支持
	
	var extra_info = getQueryParam('extra_info');
	if (webid && notify_target) {
		SetCookie('webid', webid, null, '/', '.keepc.com');
		SetCookie('notify_target', notify_target, null, '/', '.keepc.com');
		if (extra_info) {
			SetCookie('extra_info', extra_info, null, '/', '.keepc.com');
		}
	}
}

try {
    window.addEventListener('load', on_adu_init__0x0001, false);
} catch (e) {
    window.attachEvent('onload', on_adu_init__0x0001);
}