function uploadid() {
	var f = false;
	var now = new Date().getTime() / 1000;
	var s = parseInt(now, 10);
			s = "ul"+(Math.round((now - s) * 1000) / 1000)+s;
			s = s.replace(".", "");

	return s;
}

function fileQueueError(file, errorCode, message) {
	try {
		var imageName = "error.gif";
		var errorName = "";
		if (errorCode === SWFUpload.errorCode_QUEUE_LIMIT_EXCEEDED) {
			errorName = "You have attempted to queue too many files.";
		}

		if (errorName !== "") {
			alert(errorName);
			return;
		}

		switch (errorCode) {
		case SWFUpload.QUEUE_ERROR.ZERO_BYTE_FILE:
			imageName = "zerobyte.gif";
			break;
		case SWFUpload.QUEUE_ERROR.FILE_EXCEEDS_SIZE_LIMIT:
			imageName = "toobig.gif";
			break;
		case SWFUpload.QUEUE_ERROR.ZERO_BYTE_FILE:
		case SWFUpload.QUEUE_ERROR.INVALID_FILETYPE:
		default:
			alert(message);
			break;
		}

		addImage("swfupload/" + imageName);

	} catch (ex) {
		this.debug(ex);
	}

}

function fileDialogComplete(numFilesSelected, numFilesQueued) {
	try {
		if (numFilesQueued > 0) {
			this.startUpload();
		}
	} catch (ex) {
		this.debug(ex);
	}
}

function uploadProgress(file, bytesLoaded) {

	try {
		var percent = Math.ceil((bytesLoaded / file.size) * 100);

		var progress = new FileProgress(file,  this.customSettings.upload_target);
		progress.setProgress(percent);
		if (percent === 100) {
			progress.setStatus("Processing upload...");
			progress.toggleCancel(false, this);
		} else {
			progress.setStatus("Uploading...");
			progress.toggleCancel(true, this);
		}
	} catch (ex) {
		this.debug(ex);
	}
}

function uploadSuccess(file, serverData) {
	try {
		var progress = new FileProgress(file,  this.customSettings.upload_target);

		if (serverData.substring(0, 4) === "uid:") {
			var upload_result = {};
			var comps = serverData.split(";");
			for (c in comps) {
				var v = comps[c];
				if (!v)
					continue;

				var vv = v.split(":");
				upload_result[vv[0]] = vv[1];
			}
			addFileRow(upload_result, "/files.thumbnail.php?f="+upload_result.md5+"&e="+upload_result.ext);

			progress.setStatus("File complete.");
			progress.toggleCancel(false);
		} else {
			var upload_result = {id: uploadid(), title: "Error", descr: serverData};
			addFileRow(upload_result, "/swfupload/error.gif");
			progress.setStatus("Error.");
			progress.toggleCancel(false);
		}


	} catch (ex) {
		this.debug(ex);
	}
}

function uploadComplete(file) {
	try {
		/*  I want the next upload to continue automatically so I'll call startUpload here */
		if (this.getStats().files_queued > 0) {
			this.startUpload();
		} else {
			var progress = new FileProgress(file,  this.customSettings.upload_target);
			progress.setComplete();
			progress.setStatus("All images received.");
			progress.toggleCancel(false);
		}
	} catch (ex) {
		this.debug(ex);
	}
}

function uploadError(file, errorCode, message) {
	var imageName =  "error.gif";
	var progress;
	try {
		switch (errorCode) {
		case SWFUpload.UPLOAD_ERROR.FILE_CANCELLED:
			try {
				progress = new FileProgress(file,  this.customSettings.upload_target);
				progress.setCancelled();
				progress.setStatus("Cancelled");
				progress.toggleCancel(false);
			}
			catch (ex1) {
				this.debug(ex1);
			}
			break;
		case SWFUpload.UPLOAD_ERROR.UPLOAD_STOPPED:
			try {
				progress = new FileProgress(file,  this.customSettings.upload_target);
				progress.setCancelled();
				progress.setStatus("Stopped");
				progress.toggleCancel(true);
			}
			catch (ex2) {
				this.debug(ex2);
			}
		case SWFUpload.UPLOAD_ERROR.UPLOAD_LIMIT_EXCEEDED:
			imageName = "uploadlimit.gif";
			break;
		default:
			alert(message);
			break;
		}

		addImage("/swfupload/" + imageName);

	} catch (ex3) {
		this.debug(ex3);
	}

}


function addImage(src) {
	var newImg = document.createElement("img");
	newImg.style.margin = "5px";

	document.getElementById("thumbnails").appendChild(newImg);
	newImg.style.display = "none";

	newImg.onload = function () {
		$(newImg).fadeIn();
	};
	newImg.src = src;
}
function addFileRow(file, icon) {
	var fileid = "";
	var row_contents = "";
	if (typeof file.uid == "undefined") {
		fileid = file.id;
		row_contents += '<div class="UploaderFileTitleError">'+file.title+'</div>';
		row_contents += '<div class="UploaderFileDescrError">'+file.descr+'</div>';
	} else {
		var d = "";
				d += "<b>Type:</b> "+file.file_type+"<br>";
				d += "<b>Size:</b> "+file.size+"<br>";
				if (typeof file.image_x != "undefined") {
					d += "<b>Dimensions:</b> "+file.image_x+" x "+file.image_y+"<br>";
				}
		fileid = file.uid;
		row_contents += '<div class="UploaderFileTitle">'+file.filename+'</div>';
		row_contents += '<div class="UploaderFileDescr">'+d+'</div>';
	}

	var rowid = "swu_tn-"+fileid;
	var row_c = rowid+"-c";
	var row_i = rowid+"-i";
	var row_table = '<div class="UploaderRow"><table border="0" cellpadding="2" cellspacing="0"><tr valign="top"><td class="UploaderRowIcon"><span id="'+row_i+'" style="display: none;"></span></td><td id="'+row_c+'" class="UploaderRowContent" width="100%"></td></tr></table></div>';

	$("#swu_tn").append(row_table);
	$("#"+row_c).html(row_contents);

	var newImg = document.createElement("img");
	document.getElementById(row_i).appendChild(newImg);

	newImg.onload = function () {
		$("#"+row_i).fadeIn();
	};
	newImg.src = icon;
}



/* ******************************************
 *	FileProgress Object
 *	Control object for displaying file info
 * ****************************************** */

function FileProgress(file, targetID) {
	this.fileProgressID = "divFileProgress";

	this.fileProgressWrapper = document.getElementById(this.fileProgressID);
	if (!this.fileProgressWrapper) {
		this.fileProgressWrapper = document.createElement("div");
		this.fileProgressWrapper.className = "progressWrapper";
		this.fileProgressWrapper.id = this.fileProgressID;

		this.fileProgressElement = document.createElement("div");
		this.fileProgressElement.className = "progressContainer";

		var progressCancel = document.createElement("a");
		progressCancel.className = "progressCancel";
		progressCancel.href = "#";
		progressCancel.style.visibility = "hidden";
		progressCancel.appendChild(document.createTextNode(" "));

		var progressText = document.createElement("div");
		progressText.className = "progressName";
		progressText.appendChild(document.createTextNode(file.name));

		var progressBar = document.createElement("div");
		progressBar.className = "progressBarInProgress";

		var progressStatus = document.createElement("div");
		progressStatus.className = "progressBarStatus";
		progressStatus.innerHTML = "&nbsp;";

		this.fileProgressElement.appendChild(progressCancel);
		this.fileProgressElement.appendChild(progressText);
		this.fileProgressElement.appendChild(progressStatus);
		this.fileProgressElement.appendChild(progressBar);

		this.fileProgressWrapper.appendChild(this.fileProgressElement);

		document.getElementById(targetID).appendChild(this.fileProgressWrapper);
		fadeIn(this.fileProgressWrapper, 0);

	} else {
		this.fileProgressElement = this.fileProgressWrapper.firstChild;
		this.fileProgressElement.childNodes[1].firstChild.nodeValue = file.name;
	}

	this.height = this.fileProgressWrapper.offsetHeight;

}
FileProgress.prototype.setProgress = function (percentage) {
	this.fileProgressElement.className = "progressContainer green";
	this.fileProgressElement.childNodes[3].className = "progressBarInProgress";
	this.fileProgressElement.childNodes[3].style.width = percentage + "%";
};
FileProgress.prototype.setComplete = function () {
	this.fileProgressElement.className = "progressContainer blue";
	this.fileProgressElement.childNodes[3].className = "progressBarComplete";
	this.fileProgressElement.childNodes[3].style.width = "";

};
FileProgress.prototype.setError = function () {
	this.fileProgressElement.className = "progressContainer red";
	this.fileProgressElement.childNodes[3].className = "progressBarError";
	this.fileProgressElement.childNodes[3].style.width = "";

};
FileProgress.prototype.setCancelled = function () {
	this.fileProgressElement.className = "progressContainer";
	this.fileProgressElement.childNodes[3].className = "progressBarError";
	this.fileProgressElement.childNodes[3].style.width = "";

};
FileProgress.prototype.setStatus = function (status) {
	this.fileProgressElement.childNodes[2].innerHTML = status;
};

FileProgress.prototype.toggleCancel = function (show, swfuploadInstance) {
	this.fileProgressElement.childNodes[0].style.visibility = show ? "visible" : "hidden";
	if (swfuploadInstance) {
		var fileID = this.fileProgressID;
		this.fileProgressElement.childNodes[0].onclick = function () {
			swfuploadInstance.cancelUpload(fileID);
			return false;
		};
	}
};