var numPics = picInfo.length - 1;
var i=1;

//pull in pic and description for current area when Index is loaded
function populateIndex(){
	//document.pic.src = eval("pic" + i + ".src");
	picSrc = "media/360/"+[i]+".jpg";
	document.getElementById("pic").src=picSrc;
	document.getElementById("descriptions").innerHTML=picInfo[i];
}

//to open a new window for big image or slideshow
function goBig(cat){
	prozzoPop([i],cat);
}

function prozzoPop(picUwant,category) {
	var baseUrl="slideshow.shtml?";
	var theUrl=baseUrl+picUwant;
	var defWindow = window.open(theUrl, category, 'toolbar=no,location=no,directories=no,status=no,menubar=no,resizable=yes,scrollbars=yes,width=650,height=720,left=10,top=10');
		defWindow.focus();
}


//display correct image when slidePop page is loaded
var imgSrc = document.location.search;

function showSlide() {
	//alert(window.name);
	imgSrc = imgSrc.replace(/\?/,"");
	i=imgSrc;
	//document.getElementById("bigPics").src=picInfo[i];
	picSrc = "media/600/"+[i]+".jpg";
	document.getElementById("bigPics").src=picSrc;
	document.getElementById("descriptions").innerHTML=picInfo[i];
}


//autorun slideshow
var delay = 2500; //Time delay between Slides in milliseconds
var lock = false;
var run;

function startShow(page) {
	if (lock == true) {
		document.getElementById("slideButt").title="start slideshow";
		if (page == 'index'){
			document.getElementById("slideButt").src="/~jmarcopr/mpp/images/index/slideshow.gif";
		}
		else{
			document.getElementById("slideButt").src="/~jmarcopr/mpp/images/slideshow/play.jpg";
		}
		lock = false;
		window.clearInterval(run);
	}
	else if (lock == false) {
		document.getElementById("slideButt").title="pause slideshow";
		lock = true;
		if (page == 'index'){
			document.getElementById("slideButt").src="/~jmarcopr/mpp/images/index/slideshow_ro.gif";
			run = setInterval("nextPic('index')", delay);
		}
		else{
			document.getElementById("slideButt").src="/~jmarcopr/mpp/images/slideshow/pause.jpg";
			run = setInterval("nextPic('popup')", delay);
		}
	}
}


// clickable slideshow
function nextPic(size){
	if (i < numPics){	
		i++;
	}
	else{
		i = 1;
	}
	document.getElementById("descriptions").innerHTML=picInfo[i];
	if (size == 'index'){
		//document.pic.src = eval("pic" + i + ".src");
		picSrc = "media/360/"+[i]+".jpg";
		document.getElementById("pic").src=picSrc;
	}
	else if (size == 'popup') {
		picSrc = "media/600/"+[i]+".jpg";
		document.getElementById("bigPics").src=picSrc;
	}
}

function prevPic(size){
	if (i > 1){
		i--;
	}
	else{
		i = numPics;
	}
	document.getElementById("descriptions").innerHTML=picInfo[i];
	if (size == 'index'){
		//document.pic.src = eval("pic" + i + ".src");
		picSrc = "media/360/"+[i]+".jpg";
		document.getElementById("pic").src=picSrc;
	}
	else if (size == 'popup') {
		picSrc = "media/600/"+[i]+".jpg";
		document.getElementById("bigPics").src=picSrc;
	}
}


//function descript(){
//	window.status = description[i]
//}