// JavaScript Document
function av_check() {
frm = document.frm_av_check;
xmlHttp=GetXmlHttpObject();
//document.getElementById("av_result").innerHTML = ""; 
var url="http://www.yourfloridavilla.co.uk/functions/av_check.php";
var to_send = "property_id="+frm.property_id.value+"&from_day="+frm.from_day.value+"&from_month="+frm.from_month.value+"&from_year="+frm.from_year.value+"&nights="+frm.nights.value;
xmlHttp.onreadystatechange=stateChanged;
xmlHttp.open("POST",url,true);
xmlHttp.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
xmlHttp.send(to_send);
}
function stateChanged() {
document.getElementById("av_result").innerHTML = 'Checking...';
if (xmlHttp.readyState==4 && xmlHttp.status == 200) document.getElementById("av_result").innerHTML = xmlHttp.responseText;
//if (xmlHttp.readyState==3) document.getElementById("av_result").innerHTML = 'Checking...';
//if (returned_text == 'available') document.getElementById("av_result").innerHTML = 'Available'; 
//if (returned_text == 'not-available') document.getElementById("av_result").innerHTML = 'Not Available';
}