var theRequest;
var animateRight;
var currentStep;

function sendRequest(urlAdd) {
    theRequest = (window.ActiveXObject) ? new ActiveXObject("Microsoft.XMLHTTP") : new XMLHttpRequest();
    
    if(theRequest) {
		theRequest.onreadystatechange = processRequest;
		theRequest.open("GET", 'lib/ajax_aircraft_for_sale.php?'+urlAdd, true);
		theRequest.send(null);
    } else {
		alert("Error - ajax failure.");
	}
}

function processRequest() {
    if(theRequest.readyState == 4 && theRequest.status == 200) {
    	document.getElementById('aircraftSales').innerHTML = theRequest.responseText;
    }
}