/***********************************************
* Dynamic Ajax Content- © Dynamic Drive DHTML code library (www.dynamicdrive.com)
* This notice MUST stay intact for legal use
* Visit Dynamic Drive at http://www.dynamicdrive.com/ for full source code
***********************************************/

var bustcachevar=1 //bust potential caching of external pages after initial request? (1=yes, 0=no)
var loadedobjects=""
var rootdomain="http://"+window.location.hostname
var bustcacheparameter=""
var order="abc"

function ajaxpage(url, containerid){
var page_request = false
if (window.XMLHttpRequest) // if Mozilla, Safari etc
page_request = new XMLHttpRequest()
else if (window.ActiveXObject){ // if IE
try {
page_request = new ActiveXObject("Msxml2.XMLHTTP")
} 
catch (e){
try{
page_request = new ActiveXObject("Microsoft.XMLHTTP")
}
catch (e){}
}
}
else
return false
page_request.onreadystatechange=function(){
loadpage(page_request, containerid)
}
if (bustcachevar) //if bust caching of external page
bustcacheparameter=(url.indexOf("?")!=-1)? "&"+new Date().getTime() : "?"+new Date().getTime()
page_request.open('GET', url+bustcacheparameter, true)
page_request.send(null)
}

function loadpage(page_request, containerid){
if (page_request.readyState == 4 && (page_request.status==200 || window.location.href.indexOf("http")==-1))
document.getElementById(containerid).innerHTML=page_request.responseText
}

function loadobjs(){
if (!document.getElementById)
return
for (i=0; i<arguments.length; i++){
var file=arguments[i]
var fileref=""
if (loadedobjects.indexOf(file)==-1){ //Check to see if this object has not already been added to page before proceeding
if (file.indexOf(".js")!=-1){ //If object is a js file
fileref=document.createElement('script')
fileref.setAttribute("type","text/javascript");
fileref.setAttribute("src", file);
}
else if (file.indexOf(".css")!=-1){ //If object is a css file
fileref=document.createElement("link")
fileref.setAttribute("rel", "stylesheet");
fileref.setAttribute("type", "text/css");
fileref.setAttribute("href", file);
}
}
if (fileref!=""){
document.getElementsByTagName("head").item(0).appendChild(fileref)
loadedobjects+=file+" " //Remember this object as being already added to page
}
}
}


function slideto1(divid) {
var btn0=divid+"p";

document.getElementById(divid).style.zIndex="10000";

var growDiv = new Fx.Style($(divid), "top", {duration: 1000}).addEvent("onComplete", function() {
	var expandDiv = new Fx.Styles($(divid), {duration: 500}).addEvent("onComplete", function() {
		var fadeDiv = new Fx.Style($(btn0), "opacity", {duration:500});
		fadeDiv.start(0,1);
		btn0 = null;
	});
	
	expandDiv.start({"width": 341, "left": 0, "opacity":1});
	});	
	growDiv.start(10);
}

function slideto2(divid) {
var btn2=divid+"p"
document.getElementById(divid).style.zIndex="1000";
var fadeDiv = new Fx.Style($(btn2), "opacity", {duration:100});
		fadeDiv.start(1,0);
btn2 = null;
var expandDiv = new Fx.Styles($(divid), {duration: 500}).addEvent("onComplete", function() {
	var growDiv = new Fx.Style($(divid), "top", {duration: 1000});
	growDiv.start(75);
	});	
	expandDiv.start({"width": 311, "left": 30, "opacity":0.75})

}

function slideto3(divid) {
var btn3=divid+"p"
document.getElementById(divid).style.zIndex="1000";
var fadeDiv = new Fx.Style($(btn3), "opacity", {duration:100});
		fadeDiv.start(1,0);
		btn3 = null;
var expandDiv = new Fx.Styles($(divid), {duration: 500}).addEvent("onComplete", function() {
	var growDiv = new Fx.Style($(divid), "top", {duration: 1000}).addEvent("onComplete", function() {
		var fadeDiv = new Fx.Style($(btn), "opacity", {duration:500});
		fadeDiv.start(1,0);
	});
	growDiv.start(140);
	});	
	expandDiv.start({"width": 311, "left": 30, "opacity":0.75})
}

function abcClickB(){

slideto1("tut-btn2");
slideto2("tut-btn1");
order = "bac";

return false;
}

function abcClickC(){
slideto1("tut-btn3");
slideto2("tut-btn1");
slideto3("tut-btn2");
order = "cab";
return false;
}

function bacClickA(){
slideto1("tut-btn1");
slideto2("tut-btn2");
slideto3("tut-btn3");
order = "abc";
return false;
}

function bacClickC(){
slideto1("tut-btn3");
slideto3("tut-btn2");
order = "cab";
return false;
}


function cabClickA(){
slideto1("tut-btn1");
slideto2("tut-btn2");
slideto3("tut-btn3");
order = "abc";
return false;
}

function cabClickB(){
slideto1("tut-btn2");
slideto3("tut-btn3");
order = "bac";
return false;
}

fadeout = function(){
	
	var fadeDiv = new Fx.Style($("video-wrapper"), "opacity", {duration:1000});
	fadeDiv.start(1,0);
};

fadein = function(){
	
	var fadeDiv = new Fx.Style($("video-wrapper"), "opacity", {duration:1000});
	fadeDiv.start(0,1);
};

loadAsthma = function(){
	
	ajaxpage('/asthmatutorial.php', 'video-wrapper');
};

loadDiabetes = function(){
	
	ajaxpage('/diabetestutorial.php', 'video-wrapper');
};

loadSkin = function(){
	
	ajaxpage('/skintutorial.php', 'video-wrapper');
};

clickA = function(){
if (order == "abc"){} else
if (order == "bac"){bacClickA();} else
if (order == "cab"){cabClickA();}
return false;

}

clickB = function(){

if (order == "abc"){abcClickB();} else
if (order == "bac"){} else
if (order == "cab"){cabClickB();}
return false;
}

clickC = function(){
if (order == "abc"){abcClickC();} else
if (order == "bac"){bacClickC();} else
if (order == "cab"){}
return false;
}

function clickAsthma(){
	var x = new Chain();
	
x.chain(fadeout);	
x.chain(clickA);
x.chain(loadAsthma);
x.chain(fadein);
x.callChain();
x.callChain.delay(1000,x);
x.callChain.delay(3000,x);
x.callChain.delay(3500,x);
}

function clickDiabetes(){
	var x = new Chain();
	
x.chain(fadeout);	
x.chain(clickB);
x.chain(loadDiabetes);
x.chain(fadein);
x.callChain();
x.callChain.delay(1000,x);
x.callChain.delay(3000,x);
x.callChain.delay(3500,x);
	
}

function clickSkin(){
	
	var x = new Chain();
	
x.chain(fadeout);	
x.chain(clickC);
x.chain(loadSkin);
x.chain(fadein);
x.callChain();
x.callChain.delay(1000,x);
x.callChain.delay(3000,x);
x.callChain.delay(3500,x);
}

function resetPlayLinks(){
order="bac";
var fadeDiv = new Fx.Style($("tut-btn1p"), "opacity", {duration:10});
		fadeDiv.start(1,0);
var fadeDiv = new Fx.Style($("tut-btn2p"), "opacity", {duration:10});
		fadeDiv.start(1,0);
var fadeDiv = new Fx.Style($("tut-btn3p"), "opacity", {duration:10});
		fadeDiv.start(1,0);

var fadeDiv = new Fx.Style($("tut-btn1"), "opacity", {duration:10});
		fadeDiv.start(1,0.75);

var fadeDiv = new Fx.Style($("tut-btn2"), "opacity", {duration:10});
		fadeDiv.start(1,0.75);

var fadeDiv = new Fx.Style($("tut-btn3"), "opacity", {duration:10});
		fadeDiv.start(1,0.75);


}

loadAsthma();