function getQuerystring(name) {
    name = name.replace(/[\[]/, "\\\[").replace(/[\]]/, "\\\]");
    var regexS = "[\\?&]" + name + "=([^&#]*)";
    var regex = new RegExp(regexS);
    var results = regex.exec(window.location.href);
    if (results == null)
        return "";
    else
        return results[1];
}

function getReferer() {
    if (document.referrer.indexOf("?") == -1) {
        return document.referrer;
    }
    return document.referrer.substring(0, document.referrer.indexOf("?"));
}


$(document).ready(function () {
    
    var referrer = getQuerystring("referer");
    $("#referrer1").val(referrer);
    $("#referrer2").val(referrer);
    $("#referrer3").val(referrer);
    
    if ($.browser.msie) {
        if (parseInt($.browser.version) < 7) {
            $(document).pngFix();
        }
    }
});

function checkLogin() {

    if ($("#memberid").val() == "") {
        $("#errorMessage").html("Please enter your id");
        return false;
    }
    if ($("#password").val() == "") {
        $("#errorMessage").html("Please enter your password");
        return false;
    }
    if ($("#email2").val() == "") {
        $("#errorMessage").html("Please enter your email");
        return false;
    }

    return true;
}

function checkSignUp() {
    if ($("#firstname").val() == "") {
        alert("Please enter a first name");
        return false;
    }

    if ($("#password1").val() == "") {
        alert("Please enter a password");
        return false;
    }

    if ($("#email").val() == "") {
        alert("Please enter an email address");
        return false;
    }
    if ($("#password-confirm").val() == "") {

        alert("Please fill in all fields");
        return false;
    } else {
        if ($("#password-confirm").val() != $("#password1").val()) {
            alert("Passwords do not match");
            return false;
        }
    }
    if ($("#dobday").val() == "") {
        alert("Please enter your date of birth");
        return false;
    }
    if ($("#dobmonth").val() == "") {
        alert("Please enter your date of birth");
        return false;
    }
    if ($("#dobyear").val() == "") {
        alert("Please enter your date of birth");
        return false;
    }

    return true;
}