function fileQueueError(file, errorCode, message) {
	try {
		if (errorCode === SWFUpload.QUEUE_ERROR.QUEUE_LIMIT_EXCEEDED) {
			alert("You have attempted to queue too many files.\n" + (message === 0 ? "You have reached the upload limit." : "You may select " + (message > 1 ? "up to " + message + " files." : "one file.")));
			return;
		}

		var progress = new FileProgress(file, this.customSettings.progressTarget);
		progress.setError();
		//progress.toggleCancel(false);

		switch (errorCode) {
		case SWFUpload.QUEUE_ERROR.FILE_EXCEEDS_SIZE_LIMIT:
			progress.setStatus("File is too big.");
			this.debug("Error Code: File too big, File name: " + file.name + ", File size: " + file.size + ", Message: " + message);
			break;
		case SWFUpload.QUEUE_ERROR.ZERO_BYTE_FILE:
			progress.setStatus("Cannot upload Zero Byte files.");
			this.debug("Error Code: Zero byte file, File name: " + file.name + ", File size: " + file.size + ", Message: " + message);
			break;
		case SWFUpload.QUEUE_ERROR.INVALID_FILETYPE:
			progress.setStatus("Invalid File Type.");
			this.debug("Error Code: Invalid File Type, File name: " + file.name + ", File size: " + file.size + ", Message: " + message);
			break;
		default:
			if (file !== null) {
				alert("You can only upload 1 file at a time. Please reload page if you think this is an error.");
			}
			this.debug("Error Code: " + errorCode + ", File name: " + file.name + ", File size: " + file.size + ", Message: " + message);
			break;
		}
	} catch (ex) {
        this.debug(ex);
    }
}

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

function uploadProgress(file, bytesLoaded) {
	document.getElementById('divFileProgressContainer').style.visibility = 'visible';
	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("Checking/Rendering File... This may take up to 60 seconds.");
			progress.toggleCancel(false, this);
		} else {
			progress.setStatus("Uploading... " + percent + "%");
			progress.toggleCancel(true, this);
		}
	} catch (ex) {
		this.debug(ex);
	}
}

function uploadSuccess(file, serverData) {
	try {
		var progress = new FileProgress(file,  this.customSettings.upload_target);
		progress.setStatus("Success!");
		location.href = '/create/chooseoptions.php#';
	} 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) {
	document.getElementById('divFileProgressContainer').style.visibility = 'hidden';
	var imageName =  "error.gif";
	var progress;
	try {
		switch (errorCode) {
		case SWFUpload.UPLOAD_ERROR.HTTP_ERROR:
			//progress.setStatus("Upload Error: " + message);
			this.debug("Error Code: HTTP Error, File name: " + file.name + ", Message: " + message);
			if(message == 501){
				alert('Your image is too small. Please try again with a larger image. We suggest at least 1 MegaPixel.');
				} else if(message == 500){
				alert('Invalid upload. Please try a different file.');
				} else if(message == 502){
				alert('Filetype Notice: The server could not render your file. We suggest saving as a TIFF with LZW compression.');
				} else {
				alert('Server could not render your file. Please try again.');
				}
			break;
		case SWFUpload.UPLOAD_ERROR.UPLOAD_FAILED:
			progress.setStatus("Upload Failed.");
			this.debug("Error Code: Upload Failed, File name: " + file.name + ", File size: " + file.size + ", Message: " + message);
			break;
		case SWFUpload.UPLOAD_ERROR.IO_ERROR:
			progress.setStatus("Server (IO) Error");
			this.debug("Error Code: IO Error, File name: " + file.name + ", Message: " + message);
			break;
		case SWFUpload.UPLOAD_ERROR.SECURITY_ERROR:
			progress.setStatus("Security Error");
			this.debug("Error Code: Security Error, File name: " + file.name + ", Message: " + message);
			break;
		case SWFUpload.UPLOAD_ERROR.UPLOAD_LIMIT_EXCEEDED:
			progress.setStatus("Upload limit exceeded.");
			this.debug("Error Code: Upload Limit Exceeded, File name: " + file.name + ", File size: " + file.size + ", Message: " + message);
			break;
		case SWFUpload.UPLOAD_ERROR.FILE_VALIDATION_FAILED:
			progress.setStatus("Failed Validation.  Upload skipped.");
			this.debug("Error Code: File Validation Failed, File name: " + file.name + ", File size: " + file.size + ", Message: " + message);
			break;
		case SWFUpload.UPLOAD_ERROR.FILE_CANCELLED:
			// If there aren't any files left (they were all cancelled) disable the cancel button
			if (this.getStats().files_queued === 0) {
				//document.getElementById(this.customSettings.cancelButtonId).disabled = true;
			}
			progress.setStatus("Cancelled");
			progress.setCancelled();
			break;
		case SWFUpload.UPLOAD_ERROR.UPLOAD_STOPPED:
			progress.setStatus("Stopped");
			break;
		default:
			//progress.setStatus("Unhandled Error: " + errorCode);
			this.debug("Error Code: " + errorCode + ", File name: " + file.name + ", File size: " + file.size + ", Message: " + message);
			alert('Server could not render your file. Please try again.');
			break;
		}

		addImage("images/" + imageName);

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

}


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

	document.getElementById("thumbnails").appendChild(newImg);
	if (newImg.filters) {
		try {
			newImg.filters.item("DXImageTransform.Microsoft.Alpha").opacity = 0;
		} catch (e) {
			// If it is not set initially, the browser will throw an error.  This will set it if it is not set yet.
			newImg.style.filter = 'progid:DXImageTransform.Microsoft.Alpha(opacity=' + 0 + ')';
		}
	} else {
		newImg.style.opacity = 0;
	}

	newImg.onload = function () {
		fadeIn(newImg, 0);
	};
	newImg.src = src;
}

function fadeIn(element, opacity) {
	var reduceOpacityBy = 5;
	var rate = 30;	// 15 fps


	if (opacity < 100) {
		opacity += reduceOpacityBy;
		if (opacity > 100) {
			opacity = 100;
		}

		if (element.filters) {
			try {
				element.filters.item("DXImageTransform.Microsoft.Alpha").opacity = opacity;
			} catch (e) {
				// If it is not set initially, the browser will throw an error.  This will set it if it is not set yet.
				element.style.filter = 'progid:DXImageTransform.Microsoft.Alpha(opacity=' + opacity + ')';
			}
		} else {
			element.style.opacity = opacity / 100;
		}
	}

	if (opacity < 100) {
		setTimeout(function () {
			fadeIn(element, opacity);
		}, rate);
	}
}



/* ******************************************
 *	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;
		};
	}
};