function fcCheckNewerTiles() {

	if (!loadingTiles) {

		$.ajax({
			type:"GET",
			data: {
				fcExternalAction : "fcCheckNewerTiles",
				fcFeedSelected : 1,
				fcFeeds : "1,",
				fcUsers : "",
				fcSMedias : fcSMedias,
				fcRefererID : "",
				fcSearch : "",
				fcKeyword : "autoimmuunisairaudet",
				fcCategory : "",
				fcYear : "",
				fcMonth : "",
				fcClientSelected : "1",
				fcUserSelected : "0",
				fcTileTypes : "items",
				fcTileOffset : $("#fcTiles .fcTile:first-child .fcTileOffset").val(),
				fcItemOffset : $("#fcTiles .fcItemOffset").first().val(),
				fcChunkOffset : $("#fcTiles .fcChunkOffset").first().val()
			},
			url:"fc.output.php",
			success: function(data) {

				if (parseInt(data) > 0) {
				
					fcLoadTiles("fcTiles", $("#fcTiles .fcTile:first-child .fcTileOffset").val(), $("#fcTiles .fcItemOffset").first().val(), $("#fcTiles .fcChunkOffset").first().val(), "newer");
				
				}
		
			}
		});
	
	}

}

function fcLoadTiles(id, offset, item_offset, chunk_offset, direction) {

	if (!loadingTiles) {

		loadingTiles = true;

		$.ajax({
			type:"GET",
			data: {
				fcExternalAction : "fcGetTiles",
				fcFeedSelected : 1,
				fcFeeds : "1,",
				fcUsers : "",
				fcSMedias : fcSMedias,
				fcRefererID : "",
				fcSearch : "",
				fcKeyword : "autoimmuunisairaudet",
				fcCategory : "",
				fcYear : "",
				fcMonth : "",
				fcClientSelected : "1",
				fcUserSelected : "0",
				fcTileTypes : "items",
				fcTileOffset : offset,
				fcItemOffset : item_offset,
				fcChunkOffset : chunk_offset,
				fcTileLimit : tilesPerLoad,
				fcDatetimeDirection : direction
			},
			url:"fc.output.php",
			success: function(data) {

				loadingTiles = false;

				if (direction == "older") {
				
					$("#"+id).append(data);
				
				} else {
				
					$("#"+id).prepend(data);
				
				}

				tileOffset = $("#"+id+" .fcTile:last-child .fcTileOffset").val();
				itemOffset = $("#"+id+" .fcItemOffset").last().val();
				chunkOffset = $("#"+id+" .fcChunkOffset").last().val();

				$(".fcTriggerReposition").load(function() {

					if ($(this).attr("src").indexOf("safe_image.php") >= 0) {
					
						$(this).hide();
					
					}
					
					fcRepositionTiles(id, columnWidth);
					
				});
				
				$(".fcTriggerReposition").error(function() {
				
					$(this).hide();
					
					fcRepositionTiles(id, columnWidth);
				
				});

				var delayer = 500;

				$("#"+id+" .fcChunkContent, .fcItemContent").each(function(index) {

					if ($(this).css("opacity") == 0 && !$(this).is(":animated")) {
					
						$(this).delay(delayer).animate({opacity: 1.0});
						
						delayer += 100;
					
					}
				
				});

				fcRepositionTiles(id, columnWidth);
		
			}
		});
	
	}

}

function fcRepositionTiles(id, width) {
	
	var perrow = Math.round($("#"+id).width()/width);

	if (perrow < 1) {perrow = 1;}

	var pusher = [];
	for (var i = 0; i < perrow; i++) pusher[i] = 0;

	colwidth = Math.floor($("#"+id).width()/perrow);

	$(".fcTile").css("width", colwidth+"px");
	$(".double").css("width", (colwidth*2)+"px");

	feedLength = 0;
	
	$("#"+id+" .fcTile").each(function(index) {

		if ($(this).is(":visible")) {

			var shortest;

			for (var i = 0; i < pusher.length; i++) {
	
				if (shortest == undefined || pusher[i] < pusher[shortest]) {shortest = i;}
	
			}

			if (shortest == undefined) {shortest = 0;}

			if ($(this).hasClass("double")) {
	
				if (shortest >= (perrow-1)) {
	
					shortest = 0;
			
				}
	
				if (pusher[shortest] > pusher[shortest+1]) {
		
					pusher[shortest+1] = pusher[shortest];
		
				} else {
		
					pusher[shortest] = pusher[shortest+1];
		
				}
		
				pusher[shortest+1] += $(this).height();
	
			}
	
			pusher[shortest] += $(this).height();
		
			if (feedLength < pusher[shortest]+$(this).height()) {
		
				feedLength = pusher[shortest]+$(this).height();
		
			}

			$(this).css("top", (pusher[shortest]-$(this).height())+"px");
			$(this).css("left", (shortest*colwidth)+"px");
		
		}

	});

}