function validateFormOnSubmit(theForm) {
  var reason = "";

  reason += validateEmail2(theForm.email2reg);

  if (theForm.usertype[1].checked)
    reason += validateCompanyname(theForm.compname2reg);

  reason += validateFirstname(theForm.firstname2reg);
  reason += validateLastname(theForm.lastname2reg);
  reason += validatePhone2(theForm.tel2reg);
  reason += validatePosition(theForm.position_seeking2reg);
  
  if (theForm.usertype[0].checked)
    reason += LimitAttach(theForm,theForm.cv2reg.value);
     
  if (reason != "") {
    alert("Some fields need correction:\n" + reason);
    return false;
  }

  return true;
}

////----------------validateCompanyname-----

function validateCompanyname(fld) {
    var error = "";
    var illegalChars = /\W/; // allow letters, numbers, and underscores
 
    if (fld.value == "") {
        fld.style.background = 'Yellow'; 
        error = "Please enter a Company name.\n";
    } else if ((fld.value.length < 1) || (fld.value.length > 15)) {
        fld.style.background = 'Yellow'; 
        error = "The Company name is the wrong length.\n";
    } else if (illegalChars.test(fld.value)) {
        fld.style.background = 'Yellow'; 
        error = "The Company name contains illegal characters.\n";
    } else {
        fld.style.background = 'White';
    } 
    return error;
}

////----------------validateFirstname-----

function validateFirstname(fld) {
    var error = "";
    var illegalChars = /\W/; // allow letters, numbers, and underscores
 
    if (fld.value == "") {
        fld.style.background = 'Yellow'; 
        error = "Please enter a Firstname.\n";
    }  else if (illegalChars.test(fld.value)) {
        fld.style.background = 'Yellow'; 
        error = "The Firstname contains illegal characters.\n";
    } else {
        fld.style.background = 'White';
    } 
    return error;
}

////----------------validateLastname-----

function validateLastname(fld) {
    var error = "";
    var illegalChars = /\W/; // allow letters, numbers, and underscores
 
    if (fld.value == "") {
        fld.style.background = 'Yellow'; 
        error = "Please enter a Lastname.\n";
    }  else if (illegalChars.test(fld.value)) {
        fld.style.background = 'Yellow'; 
        error = "The Lastname contains illegal characters.\n";
    } else {
        fld.style.background = 'White';
    } 
    return error;
}

////--------validatePhone2-------------

function validatePhone2(fld) {
    var error = "";
    var stripped = fld.value.replace(/[\(\)\.\-\+\ ]/g, '');   ///  

   if (fld.value == "") {
        error = "Please enter a phone number.\n";
        fld.style.background = 'Yellow';
    } else if (isNaN(parseInt(stripped))) {
        error = "The phone number contains illegal characters.\n";
        fld.style.background = 'Yellow';
    }  
    return error;
}

///////validateEmail2///
function validateEmail2(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 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 trim(s)
{
  return s.replace(/^\s+|\s+$/, '');
} 

function LimitAttach(form, file) {
  extArray = new Array(".doc", ".txt",".pdf");
  allowSubmit = false;
  error="";
  
  if (!file) error="Valid file not selected.";
  
  while (file.indexOf("\\") != -1)
  file = file.slice(file.indexOf("\\") + 1);
  ext = file.slice(file.indexOf(".")).toLowerCase();
  
  for (var i = 0; i < extArray.length; i++) {
      if (extArray[i] == ext) { allowSubmit = true; break; }
  }
  
  if (allowSubmit) {}
  //form.submit();
  else {
    error="Please upload a file of type *.doc, *.txt or *.pdf";
  }

  return error;
}


function validatePosition(fld) {
    var error = "";
   /// var illegalChars = /\W/; // allow letters, numbers, and underscores
    var illegalChars= /[\(\)\<\>\,\;\:\\\"\[\]]/ ;
   
   if (fld.value == "") {
        fld.style.background = 'Yellow'; 
        error = "Please enter a position you are seeking.\n";
    } else if ((fld.value.length < 1) || (fld.value.length > 250)) {
        fld.style.background = 'Yellow'; 
        error = "The position seeking is the wrong length.\n";
    } else if (illegalChars.test(fld.value)) {
        fld.style.background = 'Yellow'; 
        error = "The position seeking contains illegal characters.\n";
    } else {
        fld.style.background = 'White';
    } 
    return error;
}