function addLoadEvent(func) {
	
	var oldonload = window.onload;
	
	if (typeof window.onload != 'function') {
		window.onload = func;
	} else {
		window.onload = function() {
			oldonload();
			func();
		}
	}
}




function showForm() {

	if (!document.getElementById) return false;
	
	var form = document.getElementById("form");
	var link = document.getElementById("link");

	if (form.style.display == 'none') {
		form.style.display = 'block';
		link.style.display = 'none';
	}
}

/*
 * Create the XMLHttpRequest object
 */

var xmlhttp=false;
try {
	xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
} catch (e) {
	try {
		xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
	} catch (E) {
		xmlhttp = false;
	}
}

if (!xmlhttp && typeof XMLHttpRequest!='undefined') {
	xmlhttp = new XMLHttpRequest();
}


/*
 * Adds the JavaScript to the XHTML, so it is unobtrusive
 */

function prepareForm() {
	
	if (!document.getElementById) return false; 
	
	var link = document.getElementById("link");
	link.onclick = function() {
		showForm();
		return false;
	}
	
	var submit = document.getElementById("submit");	
	submit.onclick = function() {
		doSubmit(); 
	/*	alert("Alert"); */
		return false;
	}
}


function doSubmit() {

	if (!document.getElementById) return false; 
	
	var valfbName = document.getElementById("fbName");
	var valfbEmail = document.getElementById("fbEmail");
	var valfbPhone = document.getElementById("fbPhone");
	var valfbMessage = document.getElementById("fbMessage");
	var valfbLang = document.getElementById("fbLang");
	
	var feedback = document.getElementById("feedback");
	
	xmlhttp.open("GET","feedback.php?fbname="+valfbName.value+"&email="+valfbEmail.value+"&message="+valfbMessage.value+"&phone="+valfbPhone.value+"&lang="+valfbLang.value,true);
	xmlhttp.onreadystatechange=function() {
		if (xmlhttp.readyState==4) {			
			if (xmlhttp.responseText != "") {
				feedback.innerHTML = xmlhttp.responseText;
				document.getElementById("submit").onclick = function() {
					doSubmit();
					return false;
				}
			}
		}
	}
	xmlhttp.send(null);	
}

// Add the JavaScript to appropriate places so it's not obtrusive in the XHTML

	addLoadEvent(prepareForm);