var currentNum = 1;
var count = $(".slider .sliderItem").size();

function showPhotoPopup(photoNum){
	currentNum = photoNum;
	$("#allPhotosNum").html(count);
	$("#thisPhotoNum").html(currentNum);
	$("#photoPopupImg img").attr("src", "/slideshow/images/big/" + currentNum + ".jpg");
	$("#photoPopup").show();
	$("select").css("visibility", "hidden");	
}
function hidePhotoPopup(){
	$("#photoPopup").hide();
	currentNum = 1;
	$("select").css("visibility", "visible");
}
function nexPopupImg(nextPrevImg) {
	$('#photoPopupImg img').animate({
	   opacity: 0
	 }, 500, function() {
			if (nextPrevImg == 2){
				if(currentNum < count){
					currentNum++;
				}else{
					currentNum = 1;
				}
			}else{
				if(currentNum == 1){
					currentNum = count;
				}else{
					currentNum--;
				}
			}
		$("#thisPhotoNum").html(currentNum);
	   	$(this).attr("src", "/slideshow/images/big/" + currentNum + ".jpg");
		$('#photoPopupImg img').animate({
			opacity: 1
		});
	 });

}