function isNumeric(str) {
	var numericExpression = /^[0-9]+$/;
	if (numericExpression.test(str) == false){
		//if !(str.match(numericExpression)){
		alert('Invalid Phone Number, Please Type Only Numbers');
		return false;
	}
}

function validateEmail(email) {
   var reg = /^([A-Za-z0-9_\-\.])+\@([A-Za-z0-9_\-\.])+\.([A-Za-z]{2,4})$/;
   if(reg.test(email) == false) {
      alert('Invalid Email Address');
      return false;
   }
}

function validateFields() {
var frmEl = document.getElementById('cForm');
var posName = document.getElementById('posName');
var posEmail = document.getElementById('posEmail');
var posPhone = document.getElementById('posPhone');
var posFax = document.getElementById('posFax');
var posMessage = document.getElementById('posMessage');

var whiteSpace = /^[\s]+$/;
//frmEl.reset(); Borra los campos
//posName.focus();
	if ( posMessage.value == '' || whiteSpace.test(posMessage.value) ) {
		alert("Please fill out the message");
	}
	else if ( posName.value == '') {
		alert("Please fill out the name");
		posName.focus();
		}else if ( posEmail.value == '') {
		alert("Please fill out the email");
		posEmail.focus();
	}
	else if (validateEmail(posEmail.value) == false){
		posEmail.focus();
		posEmail.value = '';
	}
	else if (posPhone.value != ''){
		posPhone.focus();
		posPhone.value = '';
	}
	else {
		sendPosEmail();
	}
}

function sendPosEmail () {
	var success = document.getElementById('emailSuccess');
	var posName = document.getElementById('posName');
	var posEmail = document.getElementById('posEmail');
	var posPhone = document.getElementById('posPhone');
	var posFax = document.getElementById('posFax');
	var posMessage = document.getElementById('posMessage');
	var page = "scripts/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 str4 = posPhone.value;
	str4 = str4.replace(/&/g,"**am**");
	str4 = str4.replace(/=/g,"**eq**");
	str4 = str4.replace(/\+/g,"**pl**");
	var str5 = posFax.value;
	str5 = str5.replace(/&/g,"**am**");
	str5 = str5.replace(/=/g,"**eq**");
	str5 = str5.replace(/\+/g,"**pl**");
	var str6 = posMessage.value;
	str6 = str6.replace(/&/g,"**am**");
	str6 = str6.replace(/=/g,"**eq**");
	str6 = str6.replace(/\+/g,"**pl**");

	
	var stuff = "posName="+str1+"&posEmail="+str2+"&posPhone="+str4+"&posFax="+str5+"&posMessage="+str6;
	loadXMLPosDoc(page,stuff)
}
function showContactTimer () {
	var loader = document.getElementById('loadBar');
	loader.style.display = 'block';
	sentTimer = setTimeout("hideContactTimer()",6000);
}

function hideContactTimer () {
	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.style.color = "#ea6c28";
	success.innerHTML = '<strong style="color:#ea6c28;">'+grabPosXML("confirmation")+'</strong>';
	// 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);