function submitContactForm() {
		
    var getstr = "?";
	
	var form = document.getElementById('contactForm');
	
	// parse input boxes
	var objInput = document.getElementsByTagName('input');
	
	for (var i=0; i<objInput.length; i++) {
		getstr += objInput[i].name + "=" + objInput[i].value + "&";
		
	}
	
	// parse textareas
	var objTextarea = document.getElementsByTagName('textarea');
	
	for (var k=0; k<objTextarea.length; k++) {
		getstr += objTextarea[k].name + "=" + objTextarea[k].value + "&";
	}
	
	// make http request
	var url = 'scripts/contact_form.php' + getstr;
    makeHttpRequest(url, 'loadContactResponse', true);
}

function loadContactResponse(xml) {
	
	var html_content = xml.getElementsByTagName('content').item(0).firstChild.nodeValue;
    document.getElementById('serverReply').innerHTML = html_content;
	
}