//=============================================
function validateFormOnSubmit(theForm) {
    var reason = "";
    reason += validateEmail(theForm.Email);
    reason += validatePhone(theForm.Phone);
    reason += validateEmpty(theForm.FirstName);
    reason += validateEmpty(theForm.LastName);
    reason += validateEmpty(theForm.ZipCode);
    
    //Should be the last check so the msg comes up in the bottem
    reason += validateTerms(theForm.CheckTerms);
    
    //reason += validateEmpty(theForm.from);
     if (reason != "") {
        alert("Some fields need correction:\n\n" + reason);
        return false;
    } 

    return true;
}
//==============================================
function validateTerms(TermCheck) {
    var error = "";
    
    if (document.getElementById(TermCheck.id).checked == false)
        error = "\n\nYou need to agree to the terms to continue";
        
    return error;  
}
function validatePhone(fld) {
    var error = "";
    var stripped = fld.value.replace(/[\(\)\.\-\ ]/g, '');
    
    if (fld.value == "") {
        error = "You didn't enter a phone number.\n";
        fld.style.background = 'Red';
    } else if (isNaN(parseInt(stripped))) {
        error = "The phone number contains illegal characters.\n";
        fld.style.background = 'Yellow';
    } else if (!(stripped.length == 10)) {
        error = "The phone number is the wrong length. Make sure you included an area code.\n";
        fld.style.background = 'Yellow';
    }

    if (error  == "")
        fld.style.background = 'White';

    //alert(error);
    return error;
}

//======================================================

function trim(s) {
    return s.replace(/^\s+|\s+$/, '');
}

function validateEmail(fld) {
    var error = "";
    var tfld = trim(fld.value);                        // value of field with whitespace trimmed off
    var emailFilter = /^[^@]+@[^@.]+\.[^@]*\w\w$/;
    var illegalChars = /[\(\)\<\>\,\;\:\\\"\[\]]/;

    if (fld.value == "") {
        fld.style.background = 'red';
        error = "You didn't enter an email address.\n";
    } else if (!emailFilter.test(tfld)) {              //test email for illegal characters
        fld.style.background = 'Yellow';
        error = "Please enter a valid email address.\n";
    } else if (fld.value.match(illegalChars)) {
        fld.style.background = 'Yellow';
        error = "The email address contains illegal characters.\n";
    } else {
        fld.style.background = 'White';
    }
    
   
    return error;
}

//====================
function validateEmpty(fld) {
    var error = "";

    if (fld.value == "") {
        fld.style.background = 'red';
        error = fld.name + " Is missing.\n";
    } else {
        fld.style.background = 'White';
    }
    
    return error;
}