function getHouse(){ // HOUSE PACKAGE - yes or no
	http.open('get', 'includes/rental_estimate.php?fnc=conversion');
	http.onreadystatechange = handleHouse; 
	http.send(null);

}
function handleHouse(){ // HOUSE PACKAGE - yes or no - CONVERSION COST 
	if(http.readyState == 4){ //Finished loading the response
		var conversion_cost = http.responseText;
		document.getElementById('conversion_cost').innerHTML = conversion_cost;
		
		http.open('get', 'includes/rental_estimate.php?fnc=clean_up');
		http.onreadystatechange = handleCleanUp; 
		http.send(null);
	}
}
function handleCleanUp(){ // HP: CLEAN UP COST ------------
	if(http.readyState == 4){ //Finished loading the response
		var clean_up_cost = http.responseText;
		document.getElementById('clean_up_cost').innerHTML = clean_up_cost;
		getEventStaff();
	}
}

function getEventStaff(){ // HP: EVENT STAFF COST - doors, event, attendance, house package
	var doors_hour = document.getElementById("doors_hour").value;
	var doors_min = document.getElementById("doors_min").value;
	var event_hour = document.getElementById("event_hour").value;
	var event_min = document.getElementById("event_min").value;
	var attendance = document.getElementById("attendance").value;
	
	http.open('get', 'includes/rental_estimate.php?fnc=event_staff&attendance=' + escape(attendance) + '&doors_hour=' + escape(doors_hour) + '&doors_min=' + escape(doors_min) + '&event_min=' + escape(event_min) + '&event_hour=' + escape(event_hour));
	http.onreadystatechange = handleEventStaff; 
	http.send(null);

}
function handleEventStaff(){ // HP: EVENT STAFF COST - doors, event, attendance, house package
	if(http.readyState == 4){ //Finished loading the response
		var event_staff_cost = http.responseText;
		document.getElementById('event_staff_cost').innerHTML = event_staff_cost;
		getFirstAid();
	}
}
function getFirstAid(){
	var doors_hour = document.getElementById("doors_hour").value;
	var doors_min = document.getElementById("doors_min").value;
	var event_hour = document.getElementById("event_hour").value;
	var event_min = document.getElementById("event_min").value;
	var attendance = document.getElementById("attendance").value;
	
	http.open('get', 'includes/rental_estimate.php?fnc=first_aid&attendance=' + escape(attendance) + '&doors_hour=' + escape(doors_hour) + '&doors_min=' + escape(doors_min) + '&event_min=' + escape(event_min) + '&event_hour=' + escape(event_hour));
	http.onreadystatechange = handleFirstAid; 
	http.send(null);

}
function handleFirstAid(){
	if(http.readyState == 4){ //Finished loading the response
		var first_aid_cost = http.responseText;
		document.getElementById('first_aid_cost').innerHTML = first_aid_cost;
		getStage();
	}
}
function getStage(){
	var stage = document.getElementById("stage").value;
	http.open('get', 'includes/rental_estimate.php?fnc=stage&stage=' + escape(stage));
	http.onreadystatechange = handleStage; 
	http.send(null);

}
function handleStage(){
	if(http.readyState == 4){ //Finished loading the response
		var stage_cost = http.responseText;
		document.getElementById('stage_cost').innerHTML = stage_cost;
		getSpotlight();
	}
}

function getSpotlight(){
	var spotlight = document.getElementById("spotlight").value;
	http.open('get', 'includes/rental_estimate.php?fnc=spotlight&spotlight=' + escape(spotlight));
	http.onreadystatechange = handleSpotlight; 
	http.send(null);

}
function handleSpotlight(){
	if(http.readyState == 4){ //Finished loading the response
		var spotlight_cost = http.responseText;
		document.getElementById('spotlight_cost').innerHTML = spotlight_cost;
		getCurtain();
	}
}
function getCurtain(){
	var curtain = document.getElementById("curtain").value;
	http.open('get', 'includes/rental_estimate.php?fnc=curtain&curtain=' + escape(curtain));
	http.onreadystatechange = handleCurtain; 
	http.send(null);

}
function handleCurtain(){
	if(http.readyState == 4){ //Finished loading the response
		var curtain_cost = http.responseText;
		document.getElementById('curtain_cost').innerHTML = curtain_cost;
		getPhone();
	}
}
function getPhone(){
	var phone = document.getElementById("phone").value;
	http.open('get', 'includes/rental_estimate.php?fnc=phone&phone=' + escape(phone));
	http.onreadystatechange = handlePhone; 
	http.send(null);

}
function handlePhone(){
	if(http.readyState == 4){ //Finished loading the response
		var phone_cost = http.responseText;
		document.getElementById('phone_cost').innerHTML = phone_cost;
		getChairs();
	}
}

function getChairs(){
	var chairs = document.getElementById("chairs").value;
	http.open('get', 'includes/rental_estimate.php?fnc=chairs&chairs=' + escape(chairs));
	http.onreadystatechange = handleChairs; 
	http.send(null);

}
function handleChairs(){
	if(http.readyState == 4){ //Finished loading the response
		var chairs_cost = http.responseText;
		document.getElementById('chairs_cost').innerHTML = chairs_cost;
		getTables();
	}
}

function getTables(){
	var tables = document.getElementById("tables").value;
	http.open('get', 'includes/rental_estimate.php?fnc=tables&tables=' + escape(tables));
	http.onreadystatechange = handleTables; 
	http.send(null);

}
function handleTables(){
	if(http.readyState == 4){ //Finished loading the response
		var tables_cost = http.responseText;
		document.getElementById('tables_cost').innerHTML = tables_cost;
		getDressingRooms();
	}
}

function getDressingRooms(){
	var dressing_rooms = document.getElementById("dressing_rooms").value;
	http.open('get', 'includes/rental_estimate.php?fnc=dressing_room&dressing_room=' + escape(dressing_rooms));
	http.onreadystatechange = handleDressingRooms; 
	http.send(null);

}
function handleDressingRooms(){
	if(http.readyState == 4){ //Finished loading the response
		var dressing_room_cost = http.responseText;
		document.getElementById('dressing_room_costs').innerHTML = dressing_room_cost;
		getTotal();
	}
}
function HideContent(d) {
	if(d.length < 1) { return; }
	document.getElementById(d).style.display = "none";
	getHouse();
}
function ShowContent(d) {
	if(d.length < 1) { return; }
	document.getElementById(d).style.display = "block";
	getHouse();
}
function ReverseContentDisplay(d) {
	if(d.length < 1) { return; }
	if(document.getElementById(d).style.display == "none") { 
		document.getElementById(d).style.display = "block"; 
		getHouse();
	}
	else { document.getElementById(d).style.display = "none";
	getHouse(); }
}