function feedback()
{
var url = "lib/feedback.php";
var n = document.getElementById('feedbackName').value;
var c = document.getElementById('feedbackComment').value;
var params = "&n="+n+"&c="+c;
http.open("POST", url, true);

http.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
http.setRequestHeader("Content-length", params.length);
http.setRequestHeader("Connection", "close");

http.onreadystatechange = function() {
	if(http.readyState == 4 && http.status != 200) {
		document.getElementById('feedbackStatus').innerHTML='<li><img src="http://www.treebz.com/drinkcalculator/images/ajax-loader.gif" title="Loading" /></li>';
	}
	if(http.readyState == 4 && http.status == 200) {
		document.getElementById('feedbackStatus').innerHTML = http.responseText;
		document.getElementById('feedbackName').value = "Thank you";
		document.getElementById('feedbackComment').value = "Message sent";
		setTimeout('resetForm()',3000);	
	}  
	return false;
}
http.send(params);
}

function resetForm()
{
	document.getElementById('feedbackForm').innerHTML = '<fieldset><legend>Feedback Form</legend>';
	document.getElementById('feedbackForm').innerHTML += '<label for="name">Name</label><input type="text" name="name" id="feedbackName" />';
	document.getElementById('feedbackForm').innerHTML += '<label for="comments">Comments</label><textarea name="comments" id="feedbackComment"></textarea>';
	document.getElementById('feedbackForm').innerHTML += '<button type="submit" onclick="this.disabled=true; return feedback()">Send Feedback</button>';
	document.getElementById('feedbackForm').innerHTML += '<div id="feedbackStatus"></div></fieldset>';
	
	document.getElementById('feedbackStatus').innerHTML = '';
}

function toggleObject(section)
{
        if (document.getElementById(section).style.display == 'none') {
                state = 'block';
        } else {
                state = 'none';
        }
        document.getElementById(section).style.display = state;
}