function validateFormOnSubmit(theForm) {
var reason = "";
 
  reason += validateEmail(theForm.mia_email);
  reason += validateEmpty(theForm.mia_full_name);
  reason += validateEmpty(theForm.mia_company);
  reason += validateEmpty(theForm.mia_street_address);
  reason += validateEmpty(theForm.mia_city);
  reason += validateEmpty(theForm.mia_county);
  reason += validateEmpty(theForm.mia_postcode);
  reason += validateEmpty(theForm.mia_telephone);
 
  if (reason != "") {
    alert("Some fields need correction:\n" + reason);
    return false;
  }
 
  return true;
}



function validateNewletterSubmit(theForm) {
var reason = "";
 
  reason += validateEmail(theForm.mia_email);
  reason += validateEmpty(theForm.mia_full_name);
 
  if (reason != "") {
    alert("Some fields need correction:\n" + reason);
    return false;
  }
 
  return true;
}



function validateEmpty(fld) {
    var error = "";
  
    if (fld.value.length == 0) {
        fld.style.background = '#DCDCDC'; 
		var fname = fld.name.replace("mia_", "");
		fname = fname.replace("_", " ");
        error = "The " + fname + " has not been filled in.\n"
    } else {
        fld.style.background = 'White';
    }
    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 = '#DCDCDC';
        error = "You didn't enter an email address.\n";
    } else if (!emailFilter.test(tfld)) {              //test email for illegal characters
        fld.style.background = '#DCDCDC';
        error = "Please enter a valid email address.\n";
    } else if (fld.value.match(illegalChars)) {
        fld.style.background = '#DCDCDC';
        error = "The email address contains illegal characters.\n";
    } else {
        fld.style.background = 'White';
    }
    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 = '#DCDCDC';
    } else if (isNaN(parseInt(stripped))) {
        error = "The phone number contains illegal characters.\n";
        fld.style.background = '#DCDCDC';
    } else if ((stripped.length < 11)) {
        error = "The phone number is the wrong length. Make sure you included an area code.\n";
        fld.style.background = '#DCDCDC';
    } 
    return error;
}

function validateUnsubscribe(theForm) {
var reason = "";
 
  reason += validateEmail(theForm.mia_email);
  reason += validateEmpty(theForm.mia_full_name);
      
  if (reason != "") {
    alert("Some fields need correction:\n" + reason);
    return false;
  }
 
  return true;
}
