var username;

function check_ExistUser()
{
    username = document.getElementById("username").value;
    if (username == "")
    {
        alert('Please enter the UserName.');
        return false;
    }
    
    var getsta = remoteCheckUser();
    
    if (getsta == "1")
    {
        showErrRegMsg(getsta);
    }
    else
    {
        alert("The User Name " + username + " is available.");
    }
    return;
}

function remoteCheckUser()
{                         
    var username = document.getElementById("username").value;                                  
    var refPage = "checkUserName.php";
    var paraMeter = "uname=" + username;   
    return ajaxpost(refPage, paraMeter, "post");
}

function remoteCheckCode()
{                         
    var vcode = document.getElementById("SecurityCode").value; 
    //if (vcode == "") { alert("The code can not be blank."); return; }
    var refPage = "checkVerifyCode.php";
    var paraMeter = "vfcode=" + vcode;

    var getret = ajaxpost(refPage, paraMeter, "post");

    if (getret == "1")
    {
        return true;
    }
    else
    {
        return false;
    }
}

function showErrRegMsg(sta)
{
    alert("Sorry, The User Name [" + username + "] is already in use. Please choose another name and try again.");
    return false;
}

function checkRegUserInput()
{
    try
    {     
        if (!remoteCheckCode()) { alert("Security code entered incorrectly, please try again. Note, it's case-sensitive"); return false; }
        var mail1 = document.getElementById('email').value;
        var mail2 = document.getElementById('email2').value;
        var city = document.getElementById('city').value;
        var usernm = document.getElementById('username').value;
        var pwd1 = document.getElementById('passwd').value;
        var pwd2 = document.getElementById('passwd2').value;
        var que = document.getElementById('question').value;
        var ans = document.getElementById('answer').value;
        var county = document.getElementById('county').value;
        var region = document.getElementById('region').value;
        var phe = document.getElementById('phone').value;
        var arcode = document.getElementById('area_code').value;
        var userid = document.getElementById('RecID').value;
        //var scode = document.getElementById('SecurityCode').value;
          
        if (usernm=="")
        {
            alert("Please enter a user name.");
            document.getElementById('username').focus();
            return false;
        }
        
        //check the user name while the userid is empty.
        if (userid == "")
        {
            var checkun = remoteCheckUser();
            if (checkun == "1") { return showErrRegMsg(checkun); }        
        }

        if(usernm.indexOf("'")>=1 || usernm.indexOf("\"")>=1)
        {
            alert("The username you've submitted contains unallowed symbols; only letters, numerals and spaces may be used. Please edit your user name and submit again.");
            document.getElementById('username').focus();
            return false;
        }

        if (pwd1==""||pwd2=="")
        {        
            alert("Please enter a password");
            document.getElementById('passwd').focus();
            return false;
        }

        if(pwd1.indexOf("'")>=1 || pwd1.indexOf("\"")>=1)
        {
            alert("The password you've submitted contains unallowed symbols; only letters, numerals and spaces may be used. Please edit your password and submit again.");
            document.getElementById('passwd').focus();
            return false;
        }

        if (pwd1!==pwd2)
        {
            alert("Your password is not identical in both fields - please check and re-enter.");
            document.getElementById('passwd').focus();
            return false;
        }
          
        if (mail1.indexOf("@")<1)
        {
            alert("Your email address is not valid, please check and re-enter.");
            document.getElementById('email').focus();
            return false;
        }

        if (mail2.indexOf("@")<1)
        {
            alert("Your repeat email address is not valid, please check and re-enter.");
            document.getElementById('email2').focus();
            return false;
        }

        if (mail1!==mail2)
        {
            alert("Your email address is not identical in both fields - please check and re-enter.");
            document.getElementById('email').focus(); 
            return false;
        }

        if (city=="")
        {
            alert("Please enter the city name!");
            document.getElementById('city').focus();
            return false;
        }

        if (county=="")
        {
            alert("Please select your county!");
            document.getElementById('county').focus();
            return false;
        }

        if (region=="")
        {
            alert("Please select your region!");
            document.getElementById('region').focus();
            return false;
        }

        if (arcode=="")
        {
            alert("Please enter your area code!");
            document.getElementById('area_code').focus();
            return false;
        }

        if (phe=="")
        {
            alert("Please enter your phone number!");
            document.getElementById('phone').focus();
            return false;
        }

        if (que=="")
        {
            alert("Please select a get-password question.");        
            return false;
        }
        
        if (ans=="")
        {
            alert("Please enter your get-password answer.");
            document.getElementById('answer').focus();
            return false;
        }
        /*
        if (scode=="")
        {
            alert("Please enter the Security Code.");
            document.getElementById('SecurityCode').focus();
            return false;
        }  */  
        
    }
    catch(e){}
    
}