String.prototype.Trim  =  function(){
	return  this.replace(/(^\s*)  |(\s*$)/g,  "");
}

function ValidateForm(form)
{
    if(form.TxtMember.value.Trim().length < 1)
    {
        alert("请填写登录帐号。");
        form.TxtMember.focus();
        event.returnValue = false;
        return false;
    }
    if(form.TxtPassword.value.Trim().length < 1)
    {
        alert("请填写登录密码。");
        form.TxtPassword.focus();
        event.returnValue = false;
        return false;
    }
    if(form.TxtValidatorCode.value.Trim().length < 1)
    {
        alert("请填写验证码。");
        form.TxtValidatorCode.focus();
        event.returnValue = false;
        return false;
    }
    return true;
}

function RefreshCheckCode() {
    var obj = document.getElementById('ImgValidCode');
    if(obj != null && obj != "undefined") {
        obj.src = String.format("../CheckCode.aspx?tt={0}&r={1}", loginUserType, Math.random());
    }
}

function LoginFailed(msg) {
    alert(msg);
    RefreshCheckCode();
    var obj = document.getElementById("TxtValidatorCode");
    if (obj) {
        obj.value = "";
    }
}

function CheckCodeFailed() {
    alert('输入的验证码有误，请重新填写。');
    //RefreshCheckCode();
    var obj = document.getElementById("TxtValidatorCode");
    if (obj) {
        obj.value = "";
        obj.focus();
    }
    //event.returnValue = false;
    return false;
}