function validateRequired(input) {
	var requiredImage = document.getElementById('img'+input.id);
	strRE = new RegExp("^[\s ]*$", "gi");
	if (strRE.test(input.value)) {
		requiredImage.src = "/images/icons/required.gif";
			return false;
	} else {
		if (input.id == "emailaddress") {
			return validateEmail(input);
		} else {
			requiredImage.src = "/images/icons/check_mark.gif";
			return true;
		}
	}
}

function validateEmail(input) {
	var requiredImage = document.getElementById('img'+input.id);
	mailRE = new RegExp("^[\._a-z0-9-]+@[\.a-z0-9-]+[\.]{1}[a-z]{2,4}$", "gi");
	if (!(mailRE.test(input.value))) {
		requiredImage.src = "/images/icons/required.gif";
		return false;
	} else {
		requiredImage.src = "/images/icons/check_mark.gif";
		return true;
	}
}

function validateFields() {
	var isValid = true;
	var inputs = document.getElementsByTagName('input');
	var tareas = document.getElementsByTagName('textarea');
	var selects = document.getElementsByTagName('select');
	for (var iCounter=0; iCounter<inputs.length; iCounter++) {
		if (inputs[iCounter].className == "textboxRequired") { 
			if (!(validateRequired(inputs[iCounter]))) {
				isValid = false;
			}
		}
	}
	for (var iCounter=0; iCounter<tareas.length; iCounter++) {
		if (tareas[iCounter].className == "textboxRequired") { 
			if (!(validateRequired(tareas[iCounter]))) {
				isValid = false;
			}
		}
	}
	for (var iCounter=0; iCounter<selects.length; iCounter++) {
		if (selects[iCounter].className == "textboxRequired") { 
			if (!(validateRequired(selects[iCounter]))) {
				isValid = false;
			}
		}
	}
	var invalid = document.getElementById('invalid');
	if (isValid) {
		invalid.style.display = "none";
		sendPosEmail();
		return true;
	} else {
		invalid.style.display = "block";	
		return false;	
	}
}
function sendPosEmail () {
	var success = document.getElementById('emailSent');
	var posName = document.getElementById('fullname');
	var posEmail = document.getElementById('emailaddress');
	var posCompanyname = document.getElementById('company');
	var posWebsite= document.getElementById('website');
	var posTelephone = document.getElementById('phonenumber');
	var posFax = document.getElementById('fax');
	var posAddress = document.getElementById('address');
	var posCity = document.getElementById('city');
	var posState = document.getElementById('state');
	var posZipcode = document.getElementById('zipcode');
	var posCountry = document.getElementById('country');
	var posText = document.getElementById('messagetext');
	var strCC = "false";
	if (document.getElementById('cc').checked) 
		strCC = "true";
	var page = "/js/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 = posCompanyname.value;
	str2 = str2.replace(/&/g,"**am**");
	str2 = str2.replace(/=/g,"**eq**");
	str2 = str2.replace(/\+/g,"**pl**");
	var str3 = posWebsite.value;
	str3 = str3.replace(/&/g,"**am**");
	str3 = str3.replace(/=/g,"**eq**");
	str3 = str3.replace(/\+/g,"**pl**");
	var str4 = posTelephone.value;
	str4 = str4.replace(/&/g,"**am**");
	str4 = str4.replace(/=/g,"**eq**");
	str4 = str4.replace(/\+/g,"**pl**");
	var str5 = posEmail.value;
	str5 = str5.replace(/&/g,"**am**");
	str5 = str5.replace(/=/g,"**eq**");
	str5 = str5.replace(/\+/g,"**pl**");
	var str6 = posRegard.value;
	str6 = str6.replace(/&/g,"**am**");
	str6 = str6.replace(/=/g,"**eq**");
	str6 = str6.replace(/\+/g,"**pl**");
	var str7 = posText.value;
	str7 = str7.replace(/&/g,"**am**");
	str7 = str7.replace(/=/g,"**eq**");
	str7 = str7.replace(/\+/g,"**pl**");
	
	var stuff = "cc="+strCC+"&posName="+str1+"&posCompanyname="+str2+"&posWebsite="+str3+"&posTelephone="+str4+"&posEmail="+str5+"&posRegard="+str6+"&posText="+str7;
	loadXMLPosDoc(page,stuff);
}
function showContactTimer () {
	var btn = document.getElementById('submit');
    btn.style.display = "none";
	
	var loader = document.getElementById('working');
	loader.style.display = 'block';
	loader.innerHTML = "Sending your message...";
	sentTimer = setTimeout("hideContactTimer()",6000);
}

function hideContactTimer () {
	var loader = document.getElementById('working');
	var success = document.getElementById('emailSent');
	// Hide the load bar alas! Done Loading
	loader.style.display = "none";
	loader.innerHtml = "";
	success.style.display = "block";
	//success.innerHTML = '<strong style="color:green;">'+grabPosXML("confirmation")+'</strong>';
}
function resetImages() {
	var imgs = document.getElementsByTagName('img');
	for (var iCounter=0; iCounter<imgs.length; iCounter++) {
		if (imgs[iCounter].className == "warning") { 
			imgs[iCounter].src = "/images/icons/required.gif";
		}
	}
}
function resetFields() {
	var form = document.getElementById('cForm');
	var btn = document.getElementById('submit');
	var loader = document.getElementById('working');

	form.reset();
	resetImages();
	setFocus();
    btn.style.display = "block";
	loader.style.display = 'none';
}
function attachFormHandlers() {
var form = document.getElementById('cForm');
	var objInput = document.getElementsByTagName('input');
	for (var iCounter=0; iCounter<objInput.length; iCounter++) {
		if (objInput[iCounter].className == "textboxRequired") { 
			objInput[iCounter].onblur = function() {
					return validateRequired(this);
			} //attach the onchange to each input field
		}
	}
	var objInput = document.getElementsByTagName('textarea');
	for (var iCounter=0; iCounter<objInput.length; iCounter++) {
		if (objInput[iCounter].className == "textboxRequired") { 
			objInput[iCounter].onblur = function() {
				return validateRequired(this);
			} //attach the onchange to each input field
		}
	}
	var objInput = document.getElementsByTagName('select');
	for (var iCounter=0; iCounter<objInput.length; iCounter++) {
		if (objInput[iCounter].className == "textboxRequired") { 
			objInput[iCounter].onblur = function() {
					return validateRequired(this);
			} //attach the onchange to each input field
		}
	}
	addEvent(form, 'submit', validateFields, false);
	form.onsubmit = function() { 
		validateFields();
		return false; 
	}
	var emailSent = document.getElementById('emailSent');
	emailSent.onclick = function() { 
		resetFields(); 
		this.style.display = "none"; 
	}
}
// sets focus on the first field of the form
function setFocus() {
  document.getElementById("fullname").focus();
}
function contactLoader() {
	attachFormHandlers();
	//setFocus();
}
addEvent(window,'load',contactLoader, false);