function openURL(url) {
    var help = window.open(url,"HELP","width=400,height=220,toolbar=no,resizable=yes,scrollbars=NO");
    help.focus();
    return true;
  }
  function doLogin(form) {
    //alert('in dologin');
    var name = form.username.value;
    var pass = form.password.value;
    var domain = form.domainname.value;

    var pos = name.indexOf("@");
    if(pos>0){
      domain = name.substring(pos+1,name.length);
      name = name.substring(0,pos);
      form.domainname.value = domain;
      form.username.value = name;
	
    }
    
    if (name == '') {
      alert('请输入用户名');
      return false;
    }

    if (domain == '') {
      alert('请输入域名');
      return false;
    }

    if (pass == '') {
      alert('请输入密码');
      return false;
    }
    return true;
  }