function validateFields() {
var posName = document.getElementById('posName');
var posEmail = document.getElementById('posEmail')
var posTel = document.getElementById('posTel');
var whiteSpace = /^[\s]+$/;  
	if ( posName.value == '' )
	{
	 alert("Wpisz imie i nazwisko."); 
	 posName.focus(); 
  }
	else if ( posEmail.value == '' && posTel.value == '') 
	{
	 alert("Podaj swój numer telefonu lub adres e-mail"); 
	 posTel.focus(); 
	}
	else
	{
	sendPosEmail();
	}
}
function sendPosEmail () {
	var success = document.getElementById('potwierdzenie');
	var posName = document.getElementById('posName');
	var posEmail = document.getElementById('posEmail');
	var posTel = document.getElementById('posTel');
	var posText = document.getElementById('posText');	
	var posID = document.getElementById('oferta_id');  
	var page = "contactRequest.php5?contact=true&xml=true";
	
	showContactTimer(); // quickly begin the load bar
	//success.style.display = 'none'; 
	
	// convert (&, +, =) to string
	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 = posTel.value;
	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 str5 = posID.value;
	str5 = str5.replace(/&/g,"**am**");
  str5 = str5.replace(/=/g,"**eq**");
  str5 = str5.replace(/\+/g,"**pl**");
	
	var stuff = "posName="+str1+"&posEmail="+str2+"&posTel="+str3+"&posText="+str4+"&oferta_id="+str5;
	loadXMLPosDoc(page,stuff)
}
function showContactTimer () {
	var loader = document.getElementById('loadBar');
	loader.style.display = 'block';
	sentTimer = setTimeout("hideContactTimer()",2000);
}

function hideContactTimer () {
	var loader = document.getElementById('loadBar');
	var success = document.getElementById('potwierdzenie');
	var submit = document.getElementById('sendContactEmail');
	
	loader.style.display = "none";
	submit.style.display = "none";
	success.style.display = "block";	
	success.innerHTML = '<strong>'+grabPosXML("confirmation")+'</strong>';
}

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