function validateFields() {
  var frmEl = document.getElementById('cForm');
  var posName = document.getElementById('posName');
  var posEmail = document.getElementById('posEmail');
  var posSpam = document.getElementById('posSpam');
  var posLanguage = document.getElementById('posLanguage');
  var posText = document.getElementById('posText');
  var languagebox = document.getElementById('languagebox');
  var whiteSpace = /^[\s]+$/;
  /***********************************************
  * Email Validation script- © Dynamic Drive (www.dynamicdrive.com)
  * This notice must stay intact for legal use.
  * Visit http://www.dynamicdrive.com/ for full source code
  ***********************************************/
  var emailfilter=/^\w+[\+\.\w-]*@([\w-]+\.)*\w+[\w-]*\.([a-z]{2,4}|\d+)$/i
  var returnval=emailfilter.test(posEmail.value)

  if ( posName.value == "" || whiteSpace.test(posName.value) ) {
    alert("Please enter your name.");
    posName.focus();
  }
  else if ( posEmail.value == '' || whiteSpace.test(posEmail.value) || (returnval==false)) {
    alert("Please enter a valid email address (e.g. yourname@yourdomain.com).");
    posEmail.focus();
  }
  else if ( (languagebox.style.display != "none") && ( posLanguage.value == '' || whiteSpace.test(posLanguage.value) ) ){
    alert("Please enter a language.");
    posLanguage.focus();
  }
  else if ( (languagebox.style.display == "none") && ( posText.value == '' || whiteSpace.test(posText.value) ) ) {
    alert("Please type a message.");
    posText.focus();
  }
  else if ( posSpam.value == '' || whiteSpace.test(posSpam.value) ) {
    alert("Please answer the question.");
    posSpam.focus();
  }
  else if ( posSpam.value != '5' ) {
    alert("Please answer the question correctly.");
    posSpam.focus();
  }
  else
    sendPosEmail();
}
function sendPosEmail () {
  var success = document.getElementById('emailSuccess');
  var posName = document.getElementById('posName');
  var posEmail = document.getElementById('posEmail');
  var posSpam = document.getElementById('posSpam');
  var posLanguage = "";
  posLanguage = document.getElementById('posLanguage');
  var posText = document.getElementById('posText');
  var page = "xmlHttpRequest.php?contact=true&xml=true";
  
  showContactTimer(); // quickly begin the load bar
  success.style.display = 'none'; // hide the success bar (incase this is a multi-email
  
  // convert (&, +, =) to string equivs. Needed so URL encoded POST won't choke.
  var str1 = posName.value;
  str1 = str1.replace(/&/g,"**am**");
  str1 = str1.replace(/=/g,"**eq**");
  str1 = str1.replace(/\+/g,"**pl**");
  var str2 = posEmail.value;
  str2 = str2.replace(/&/g,"**am**");
  str2 = str2.replace(/=/g,"**eq**");
  str2 = str2.replace(/\+/g,"**pl**");
  var str3 = "";
  str3 = posLanguage.value;
  if (str3 != undefined)
  {
    str3 = str3.replace(/&/g,"**am**");
    str3 = str3.replace(/=/g,"**eq**");
    str3 = str3.replace(/\+/g,"**pl**");
  }
  var str4 = posText.value;
  str4 = str4.replace(/&/g,"**am**");
  str4 = str4.replace(/=/g,"**eq**");
  str4 = str4.replace(/\+/g,"**pl**");
  
  var stuff = "posName="+str1+"&posEmail="+str2+"&posText="+str4;
  if (str3 != undefined) 
    stuff += "&posLanguage="+str3;
  loadXMLPosDoc(page,stuff)
}
function showContactTimer () {
  var loader = document.getElementById('loadBar');
  loader.style.display = 'block';
  sentTimer = setTimeout("hideContactTimer()",6000);
}

function hideContactTimer () {
  var cCont = document.getElementById('contactFormArea');
  var loader = document.getElementById('loadBar');
  var success = document.getElementById('emailSuccess');
  var fieldArea = document.getElementById('contactFormArea');
  var inputs = fieldArea.getElementsByTagName('input');
  var inputsLen = inputs.length;
  var tAreas = fieldArea.getElementsByTagName('textarea');
  var tAreasLen = tAreas.length;
  // Hide the load bar alas! Done Loading
  loader.style.display = "none";
  success.style.display = "block";
  success.innerHTML = '<strong style="color:green;">'+grabPosXML("confirmation")+'</strong>';
  cCont.style.display = "none";
  // Now Hijack the form elements
  for ( i=0;i<inputsLen;i++ ) {
    if ( inputs[i].getAttribute('type') == 'text' ) {
      inputs[i].value = '';
    }
  }
  for ( j=0;j<tAreasLen;j++ ) {
    tAreas[j].value = '';
  }
}

function ajaxContact() {
  var frmEl = document.getElementById('cForm');
  addEvent(frmEl, 'submit', validateFields, false);
  frmEl.onsubmit = function() { return false; }
}
addEvent(window, 'load',ajaxContact, false);