var ajax = null;
function aSnd(u, t, f) {
	try { ajax = new XMLHttpRequest(); }
	catch (e) {
		try { ajax = new ActiveXObject("Msxml2.XMLHTTP"); }
		catch (e) { ajax = new ActiveXObject("Microsoft.XMLHTTP"); }
	}
	if (!ajax) { return false; }
	ajax.onreadystatechange = eval(f);
	ajax.open("POST", u);
	ajax.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
	ajax.send(t);
	return true;
}

function GetFlights(form) {
	 var dep_apt = document.getElementById("dep_apt_select").value;
	 var arr_apt = document.getElementById("arr_apt_select").value;
	 var conc = document.getElementById("conc_select").value;
	
	 var AjPosts = "dep="+encodeURIComponent(dep_apt);
	 AjPosts += "&arr="+encodeURIComponent(arr_apt);
	 AjPosts += "&conc="+encodeURIComponent(conc);
	 aSnd("ajax/ShowFlightsH.php", AjPosts, "GetFlights2");
}

function GetFlights2() {
     if (ajax.readyState == 4) {
     if (ajax.status == 200) {
					var AjResp = ajax.responseText;
					var flight_disp = document.getElementById("flight_disp");
					flight_disp.innerHTML = AjResp;
					}
	}
}

function ContactUs(form) {
	 var name = document.getElementById("name").value;
	 var cid = document.getElementById("vatsim_id").value;
	 var email1 = document.getElementById("email").value;
	 var email2 = document.getElementById("email_conf").value;
	 var subject = document.getElementById("subject").value;
	 var message = document.getElementById("message").value;
	 var dept = document.getElementById("dept").value;
	
	 var AjPosts = "name="+encodeURIComponent(name);
	 AjPosts += "&cid="+encodeURIComponent(cid);
	 AjPosts += "&email1="+encodeURIComponent(email1);
	 AjPosts += "&email2="+encodeURIComponent(email2);
	 AjPosts += "&subject="+encodeURIComponent(subject);
	 AjPosts += "&message="+encodeURIComponent(message);
	 AjPosts += "&dept="+encodeURIComponent(dept);
	 aSnd("ajax/contact_us_send.php", AjPosts, "ContactUs2");
}

function ContactUs2() {
     if (ajax.readyState == 4) {
     if (ajax.status == 200) {
					var AjResp = ajax.responseText;
					var msg_box = document.getElementById("msg_box");
					
					if(AjResp == 'TRUE')
						{
							msg_box.innerHTML = "<div class='green'>Your email has been successfully sent.  You will receive a reply shortly.</div>";
						  document.getElementById("name").value = '';
						  document.getElementById("vatsim_id").value = '';
						  document.getElementById("email").value = '';
						  document.getElementById("email_conf").value = '';
						  document.getElementById("subject").value = '';
						  document.getElementById("message").value = '';
						}
					else
						{
							 msg_box.innerHTML = AjResp;
						}
					}
	}
}