function checkcert()
    {
        var nRet,CertSubject,CertCN,CertSN,CertQQ,CertQZ;
        nRet = document.JITCertToolkits1.InitClientCert;
        if (nRet != 0)
        {
            return  false;
        }
        CertSN = document.JITCertToolkits1.ClientSignCertSN;//获取序列号�
        CertCN = document.JITCertToolkits1.ClientSignCertCN;//获取税号
        CertQZ = document.JITCertToolkits1.GetValidity('After');//Before;After
        loginForm.CABH.value = CertSN;
        loginForm.name.value = CertCN;
        loginForm.DQQZ.value = CertQZ;
        getKhxx(CertCN,'','KHSH','KHBH','KHMC');
    }


	 function checkform(obj)
    {
		obj.loginsub.disabled = true;
		obj.loginreset.disabled = true;
        if (obj.name.value.length < 1)
        {
            alert("信息输入提示：\n您登录时必须要有纳税人识别号！\n请您关闭浏览器重新登录系统!");
            obj.name.focus();
            obj.name.select();
			obj.loginsub.disabled = false;
			obj.loginreset.disabled = false;
            return false;
        }
         if (obj.name.value.length > 20)
        {
            alert("信息输入提示：\n您的纳税人识别号超过20位！\n请您确认后再登录系统!");
            obj.name.focus();
            obj.name.select();
			obj.loginsub.disabled = false;
			obj.loginreset.disabled = false;
            return false;
        }
		obj.submit();
        return true;
    }
    function ifIEversion(){
      var ver = window.navigator.appVersion;
      var intver =  parseFloat(ver.substr(22,3))
          if(intver <= 5.5){
            alert("您的IE浏览器版本过低，\n本系统要求IE浏览器版本在 Ver6.0 以上，\n建议到：\nhttp://www.htjs.net\n下载最新版本的IE浏览器，\n确定进入下载页面？")
            location.href = "http://www.htjs.net/server/xzyw/xzzx/downloadview.jsp?ad=4&mid=47&mcond=4&download_id=272";
          }
  }
  window.attachEvent("onload",ifIEversion);
  window.attachEvent("onload",checkcert);