var xmlHttp;
var page;
var project;
var style;
var photoname = "";
var personname = "";
function ajaxLoad(str){
	page=str;
	if (page == 0 || page == 1 || page == 4 || page == 5 || page == 6 || page == 7){
		if(!running){
			onPreloadSlide();
			running = true;
		}
	}
	if (page == 2 || page == 3){
		LasSlideShow.stop();
		running = false;
		$('slideshow').setAttribute('src', './images/backgrounds/1px-white.gif');
	}
	xmlHttp=GetXmlHttpObject();
	if (xmlHttp==null){
		alert ("Browser does not support HTTP Request");
		return;
	} 
	var url="output.php";
	url=url+"?page="+str;
	url=url+"&sid="+Math.random();
	xmlHttp.onreadystatechange=stateChanged;
	xmlHttp.open("GET",url,true);
	xmlHttp.send(null);
}
function ajaxLoadInfo(info, sty, str){
	page=str;
	project=info;
	style=sty;
	xmlHttp=GetXmlHttpObject();
	if (xmlHttp==null){
		alert ("Browser does not support HTTP Request");
		return;
	} 
	var url="output.php";
	url=url+"?page="+str+"&projectname="+info+"&projectstyle="+style+"&projectphoto="+photoname;
	url=url+"&sid="+Math.random();
	xmlHttp.onreadystatechange=stateChanged;
	xmlHttp.open("GET",url,true);
	xmlHttp.send(null);
}
function ajaxLoadPersonInfo(info, str){
	page=str;
	personname=info;
	xmlHttp=GetXmlHttpObject();
	if (xmlHttp==null){
		alert ("Browser does not support HTTP Request");
		return;
	} 
	var url="output.php";
	url=url+"?page="+str+"&person="+info;
	url=url+"&sid="+Math.random();
	xmlHttp.onreadystatechange=stateChanged;
	xmlHttp.open("GET",url,true);
	xmlHttp.send(null);
}
function stateChanged(){
	//home, profile, press, contact
	if (page == 0 || page == 1 || page == 4 || page == 5 || page == 6 || page == 7){
		if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete"){
			$("viewer").style.height="400px";
			$("container").innerHTML = xmlHttp.responseText;
			if (page < 6){
				if(Element.getHeight('scroll-info-panel')<250){
					$('scrollbar').style.visibility="hidden";
				}
				else{
					$('scrollbar').style.visibility="visible";
				}
			}
			showDiv("loading", false);
		}
	}
	//work or studio
	if (page == 2 || page == 3){
		if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete"){
			$('slideshow').style.paddingTop='0';
			$('container').innerHTML = xmlHttp.responseText;			
			var temp;
			if(page == 3){
				temp = 100;
				if(Element.getHeight('scroll-info-panel')<250){
					$('scrollbar').style.visibility='hidden';
				}
				else{
					$('scrollbar').style.visibility='visible';
				}	
			}
			else{
				temp = 400;
				$('scrollbar').style.visibility='hidden';
			} 
			$('viewer').style.height=temp+'px';
			showDiv('loading', false);
			Element.setOpacity('slideshow', 0);
		}
	}
	//Load photos
	if (page == 60){
		if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete"){
			Element.setOpacity('slideshow', 0);
			Effect.Appear('slideshow');
			$('middle-top').innerHTML = xmlHttp.responseText;
			ajaxLoadInfo(project, style, 70);
		}
	}
	//Load plan images
	if (page == 70){
		if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete"){
			$("right-middle").innerHTML = xmlHttp.responseText;
			ajaxLoadInfo(project, style, 80);
		}
	}
	//Display initial photo...
	if (page == 80){
		if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete"){
			if(!/Safari/.test(navigator.userAgent)){
				ipPhoto = new ImagePreloader([xmlHttp.responseText], onPreloadPhoto);
			}
			else{
				onPreloadPhoto();
			}
		}
	}
	//Update icon for photo click
	if (page == 90){
		if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete"){
			$("middle-top").innerHTML = "";
			$("middle-top").innerHTML = xmlHttp.responseText;
			ajaxLoadInfo(project, style, 100);
		}
	}
	//Update icon for drawing click
	if (page == 100){
		if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete"){
			$("right-middle").innerHTML = xmlHttp.responseText;
		}
	}
	//Get studio face change info
	if (page == 110){
		if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete"){
			$("studioInfo").innerHTML = xmlHttp.responseText;
			ajaxLoadPersonInfo(personname, 120);
		}
	}
	//Change studio face to current
	if (page == 120){
		if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete"){
			$("studioPeople").innerHTML = xmlHttp.responseText;
		}
	}
	if (page == 130){
		if (xmlHttp.readyState==4 || xmlHttp.readyState=='complete'){
			LasSlideShow.stop();
			running = false;
			$('container').innerHTML = xmlHttp.responseText;
			$('slideshow').style.paddingTop='0';
			$('slideshow').setAttribute('src', './images/backgrounds/1px-white.gif');
			if(Element.getHeight('scroll-info-panel')<250){
				$('scrollbar').style.visibility="hidden";
			}
			else{
				$('scrollbar').style.visibility="visible";
			}
			showDiv('loading', false);
			ajaxLoadInfo(project, style, 60);
		}
	}
}
function GetXmlHttpObject(){
	var objXMLHttp=null;
	if (window.XMLHttpRequest){
		objXMLHttp=new XMLHttpRequest();
	}
	else if (window.ActiveXObject){
		objXMLHttp=new ActiveXObject("Microsoft.XMLHTTP");
	}
	return objXMLHttp;
}