//DO NO EDIT BELLOW THIS LINE, THESE CODES ARE FOR CLIENT SIDE VALIDATION
//-------------------------------------------------------------------------------

//these functions are for Validating form fields
function validateFormOnSubmit(theForm) {
var reason = "";

  reason += validateEmail(theForm.EmailFrom);
  reason += validateName(theForm.Name);
  reason += validatePhone(theForm.Phone);
  reason += validateSubject(theForm.Subject);
  reason += validateDescription(theForm.Description);
      
  if (reason != "") {
    alert("Some fields need correction:\n" + reason);
    return false;
  }
  return true;
}

function validateSubject(fld) {
    var error = "";
 
    if (fld.value == "") {
        fld.style.background = 'Yellow'; 
        error = "Please enter a Subject.\n"
    } else {
        fld.style.background = 'White';
    }
    return error;  
}

function validateName(fld) {
    var error = "";
 
    if (fld.value.length == 0) {
        fld.style.background = 'Yellow'; 
        error = "Please enter your Name.\n"
    } else {
        fld.style.background = 'White';
    }
    return error;  
}

function validateDescription(fld) {
    var error = "";
 
    if (fld.value.length == 0) {
        fld.style.background = 'Yellow'; 
        error = "Please enter a Description.\n"
    } else {
        fld.style.background = 'White';
    }
    return error;  
}

//this will validate the email field
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 = 'Yellow';
        error = "Please enter your 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 invalid characters.\n";
    } else {
        fld.style.background = 'White';
    }
    return error;
}

function validatePhone(fld) {
    var error = "";
    var stripped = fld.value.replace(/[\(\)\.\-\ ]/g, '');    

   if (fld.value == "") {
        error = "Please enter your phone number.\n";
        fld.style.background = 'Yellow';
    } else if (isNaN(parseInt(stripped))) {
        error = "The phone number contains invalid characters.\n";
        fld.style.background = 'Yellow';
    } else if ((stripped.length < 10)) {
        error = "Your phone number is too short. Make sure to include your area code.\n";
        fld.style.background = 'Yellow';
    } else {
        fld.style.background = 'White';
    }
	return error;
}