// JScript source code
function ValidateForm()
{
    with (document.MemberAppForm)
    {
        if (Trim(SubmitterName.value).length == 0)
        {
            alert("Please fill in your name");
            SubmitterName.focus();
            return false;
        }
        
        if (Trim(SubmitterEmail.value).length == 0)
        {
            alert("Please fill in your email address");
            SubmitterEmail.focus();
            return false;
        }

        if (!emailCheck(SubmitterEmail.value))
        {
            SubmitterEmail.focus();
            return false;
        }

        if (Trim(SchoolName.value).length == 0)
        {
            alert("Please fill in the school name");
            SchoolName.focus();
            return false;
        }

        if (Trim(PresName.value).length == 0)
        {
            alert("Please fill in the President's name");
            PresName.focus();
            return false;
        }
        
        if (Trim(PresEmail.value).length == 0)
        {
            alert("Please fill in the President's email address");
            PresEmail.focus();
            return false;
        }
        
        if (!emailCheck(PresEmail.value))
        {
            PresEmail.focus();
            return false;
        }
        
        if (Trim(Exec2Name.value).length == 0)
        {
            alert("Please fill in the 2nd Executive's name");
            Exec2Name.focus();
            return false;
        }

        if (Trim(Exec2Email.value).length == 0)
        {
            alert("Please fill in the 2nd Executive's email address");
            Exec2Email.focus();
            return false;
        }
        
        if (!emailCheck(Exec2Email.value))
        {
            Exec2Email.focus();
            return false;
        }

        if (Trim(MailingAddress1.value).length == 0)
        {
            alert("Please fill in at least the first line of the mailing address");
            MailingAddress1.focus();
            return false;
        }

        if (Trim(MailingCity.value).length == 0)
        {
            alert("Please fill in the mailing address city");
            MailingCity.focus();
            return false;
        }

        if (Trim(MailingState.value).length == 0)
        {
            alert("Please fill in the mailing address state/province");
            MailingState.focus();
            return false;
        }

        if (Trim(MailingZIP.value).length == 0)
        {
            alert("Please fill in the mailing address ZIP/postal code");
            MailingZIP.focus();
            return false;
        }

        if (Trim(MailingCountry.value).length == 0)
        {
            alert("Please fill in the mailing address country");
            MailingCountry.focus();
            return false;
        }

        if (Trim(Hours.value).length == 0)
        {
            alert("Please enter the practice hours");
            Hours.focus();
            return false;
        }

        if (Trim(AvgMemSize.value).length == 0)
        {
            alert("Please enter the average membership size");
            AvgMemSize.focus();
            return false;
        }
        
        if (Trim(Tables.value).length == 0)
        {
            alert("Please enter the number of tables");
            Tables.focus();
            return false;
        }
        
        if (Trim(Budget.value).length == 0)
        {
            alert("Please enter the budget");
            Budget.focus();
            return false;
        }

        // how obtain funding
        if (HowObtainFunding[2].checked)
        {
            if (Trim(DuesCharge.value).length == 0)
            {
                alert("Please enter how much is charged for dues");
                DuesCharge.focus();
                return false;
            }
        }

        if (HowObtainFunding[3].checked)
        {
            if (Trim(FundraiserDetail.value).length == 0)
            {
                alert("Please enter details about your club's fundraisers");
                FundraiserDetail.focus();
                return false;
            }
        }

        if (HowObtainFunding[4].checked)
        {
            if (Trim(OtherFundingDetail.value).length == 0)
            {
                alert("Please enter details about how your club obtains funding");
                OtherFundingDetail.focus();
                return false;
            }
        }
                
        if (!validatePlayerList())
            return false;

        if (!Agree.checked)
        {
            alert("You must check the checkbox indicating that you agree to the Membership Agreement terms");
            Agree.focus();
            return false;
        }
        //else
            //submit();
    }
    return true;
}

// Make sure there are 4 completed rows
// Make sure all the email addresses are valid
function validatePlayerList()
{
    var numCompRows, currPlayerIndex, numPlayerRows;
    numCompRows = 0;    

    with (document.MemberAppForm)
    {
        numPlayerRows = elements["PlayerName"].length;

        for (currPlayerIndex=0;currPlayerIndex<numPlayerRows;currPlayerIndex++)
        {
            if (Trim(elements["PlayerEmail"][currPlayerIndex].value).length > 0)
            {
                if (!emailCheck(elements["PlayerEmail"][currPlayerIndex].value))
                {
                    // show the fields for extra names, if they are hidden
                    if (currPlayerIndex >= 20)
                    {
                        if (ExtraNames.style.display == "none")
                        {
                            ExtraNames.style.display = "";
                            ToggleText.innerHTML = "Click to hide";
                        }
                    }
                    
                    elements["PlayerEmail"][currPlayerIndex].focus();
                    return false;
                }

                // if email address is ok, then check to see whether the player name and major are filled in
                if (Trim(elements["PlayerName"][currPlayerIndex].value).length > 0 && 
                    Trim(elements["PlayerMajor"][currPlayerIndex].value).length > 0)
                    numCompRows++;   
            }
        }

        if (numCompRows < 4)
        {
            alert ("There must be at least 4 complete player listings entered");
            elements["PlayerName"][0].focus();
            return false;
        }    
    }
    return true;
}

// from http://www.dslreports.com/forum/remark,9978730~mode=flat
function Trim(x)  
{
	if (this != window)
		x = this;    // <=== test for usage as an object method
	return x.replace(/^\s+/g, '').replace(/\s+$/g, '');   
}
String.prototype.Trim = Trim;  // <=== add Trim as a method of built-in String obj

/* From http://javascript.internet.com/forms/email-address-validation.html */
function emailCheck (emailStr)
{
    /* The following variable tells the rest of the function whether or not
    to verify that the address ends in a two-letter country or well-known
    TLD.  1 means check it, 0 means don't. */

    var checkTLD=1;

    /* The following is the list of known TLDs that an e-mail address must end with. */

    var knownDomsPat=/^(com|net|org|edu|int|mil|gov|arpa|biz|aero|name|coop|info|pro|museum)$/;

    /* The following pattern is used to check if the entered e-mail address
    fits the user@domain format.  It also is used to separate the username
    from the domain. */

    var emailPat=/^(.+)@(.+)$/;

    /* The following string represents the pattern for matching all special
    characters.  We don't want to allow special characters in the address. 
    These characters include ( ) < > @ , ; : \ " . [ ] */

    var specialChars="\\(\\)><@,;:\\\\\\\"\\.\\[\\]";

    /* The following string represents the range of characters allowed in a 
    username or domainname.  It really states which chars aren't allowed.*/

    var validChars="\[^\\s" + specialChars + "\]";

    /* The following pattern applies if the "user" is a quoted string (in
    which case, there are no rules about which characters are allowed
    and which aren't; anything goes).  E.g. "jiminy cricket"@disney.com
    is a legal e-mail address. */

    var quotedUser="(\"[^\"]*\")";

    /* The following pattern applies for domains that are IP addresses,
    rather than symbolic names.  E.g. joe@[123.124.233.4] is a legal
    e-mail address. NOTE: The square brackets are required. */

    var ipDomainPat=/^\[(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})\]$/;

    /* The following string represents an atom (basically a series of non-special characters.) */

    var atom=validChars + '+';

    /* The following string represents one word in the typical username.
    For example, in john.doe@somewhere.com, john and doe are words.
    Basically, a word is either an atom or quoted string. */

    var word="(" + atom + "|" + quotedUser + ")";

    // The following pattern describes the structure of the user

    var userPat=new RegExp("^" + word + "(\\." + word + ")*$");

    /* The following pattern describes the structure of a normal symbolic
    domain, as opposed to ipDomainPat, shown above. */

    var domainPat=new RegExp("^" + atom + "(\\." + atom +")*$");

    /* Finally, let's start trying to figure out if the supplied address is valid. */

    /* Begin with the coarse pattern to simply break up user@domain into
    different pieces that are easy to analyze. */

    var matchArray=emailStr.match(emailPat);

    if (matchArray==null) {

    /* Too many/few @'s or something; basically, this address doesn't
    even fit the general mould of a valid e-mail address. */

    alert("Email address seems incorrect (check @ and .'s)");
    return false;
    }
    var user=matchArray[1];
    var domain=matchArray[2];

    // Start by checking that only basic ASCII characters are in the strings (0-127).

    for (i=0; i<user.length; i++) {
    if (user.charCodeAt(i)>127) {
    alert("Ths username contains invalid characters.");
    return false;
       }
    }
    for (i=0; i<domain.length; i++) {
    if (domain.charCodeAt(i)>127) {
    alert("Ths domain name contains invalid characters.");
    return false;
       }
    }

    // See if "user" is valid 

    if (user.match(userPat)==null) {

    // user is not valid

    alert("The username doesn't seem to be valid.");
    return false;
    }

    /* if the e-mail address is at an IP address (as opposed to a symbolic
    host name) make sure the IP address is valid. */

    var IPArray=domain.match(ipDomainPat);
    if (IPArray!=null) {

    // this is an IP address

    for (var i=1;i<=4;i++) {
    if (IPArray[i]>255) {
    alert("Destination IP address is invalid!");
    return false;
       }
    }
    return true;
    }

    // Domain is symbolic name.  Check if it's valid.
     
    var atomPat=new RegExp("^" + atom + "$");
    var domArr=domain.split(".");
    var len=domArr.length;
    for (i=0;i<len;i++) {
    if (domArr[i].search(atomPat)==-1) {
    alert("The domain name does not seem to be valid.");
    return false;
       }
    }

    /* domain name seems valid, but now make sure that it ends in a
    known top-level domain (like com, edu, gov) or a two-letter word,
    representing country (uk, nl), and that there's a hostname preceding 
    the domain or country. */

    if (checkTLD && domArr[domArr.length-1].length!=2 && 
    domArr[domArr.length-1].search(knownDomsPat)==-1) {
    alert("The address must end in a well-known domain or two letter " + "country.");
    return false;
    }

    // Make sure there's a host name preceding the domain.

    if (len<2) {
    alert("This address is missing a hostname!");
    return false;
    }

    // If we've gotten this far, everything's valid!
    return true;
}
/* end code for email validation */