// krneke
var numOfPics, currentPic, slike;

// spreminjanje sourca sliki
function changeSource(id) {

	document.getElementById('slikaBig').src = "/API/download.php?fid=" + id + "&show=1&thumb=1&w=546&h=420";

}

function changeTitle(id) {
	
	document.getElementById('titlePic').innerHTML = ' ' + slike[(id - 1)][1] + ' ';
	
}

// gumb za naprej
function nextPic() {
	
	if(currentPic >= numOfPics) return;

	// povecamo
	currentPic++;
	
	// spremenimo sliko
	changeSource(slike[(currentPic - 1)][0]);
	
	// change title
	changeTitle(currentPic);
	
	// spremenimo v onem not
	document.getElementById('zapSt').innerHTML = currentPic;

}

// gumb za nazaj
function previousPic() {
	
	if(currentPic <= 1) return;

	// povecamo
	currentPic--;
	
	// spremenimo sliko
	changeSource(slike[(currentPic - 1)][0]);
	
	// change title
	changeTitle(currentPic);
	
	// spremenimo v onem not
	document.getElementById('zapSt').innerHTML = currentPic;

}

// callback
function callback( data) {
	for (var key in data) {
        window[key] = data[key];
    }
}