var imgName;

function CheckUserName() {
    var userName = $get("tbEmail").value; //$get("txtUserName")其实是document.getElementById("txtUserName")
    imgName = "checkusername";
    $get(imgName).innerHTML = "<img src=\"../images/loading.gif\"alt=\"\"/>";

    PageMethods.IsUserNameExist(userName, ShowResult);
}

function CheckPassword() {
    var pass1 = $get("tbPassword0").value;
    imgName = "checkpassword";
    $get(imgName).innerHTML = "<img src=\"../images/loading.gif\"alt=\"\"/>";

    PageMethods.IsPasswordAccess(pass1, ShowResult);
}

function CheckTwoPassword() {
    var pass1 = $get("tbPassword0").value;
    var pass2 = $get("tbPassword1").value;
    imgName = "checkpassword2";
    $get(imgName).innerHTML = "<img src=\"../images/loading.gif\"alt=\"\"/>";

    PageMethods.IsPasswordAlike(pass1, pass2, ShowResult);
}

function CheckEmail() {
    var userName = $get("txtUid").value; //$get("txtUserName")其实是document.getElementById("txtUserName")
    imgName = "checkemail";
    $get(imgName).innerHTML = "<img src=\"../images/loading.gif\"alt=\"\"/>";

    PageMethods.CheckEmail(userName, ShowResult);
}


function CheckPwd() {
    var pass1 = $get("txtPwd").value;
    imgName = "checkpwd";
    $get(imgName).innerHTML = "<img src=\"../images/loading.gif\"alt=\"\"/>";

    PageMethods.IsPwdAccess(pass1, ShowResult);
}


function ShowResult(res) {
    if (res == "Access")
        $get(imgName).innerHTML = "<img src=\"../images/check_right.gif\"alt=\"\"/>";
    else
        $get(imgName).innerHTML = "<img src=\"../images/check_error.gif\"alt=\"\"/>" + res;
}