function swfUploadLoaded() {
	var btnSubmit = document.getElementById(this.customSettings.SubmitButton);
	btnSubmit.onclick = doSubmit;	
}

// Called by the submit button to start the upload
function doSubmit(e) {
	e = e || window.event;
	if (e.stopPropagation) {
		e.stopPropagation();
	}
	e.cancelBubble = true;
	try 
	{
		if (validate_form())
		{
			document.getElementById(swfu.customSettings.BrowseButton).disabled = "true";
			swfu.setButtonDisabled(true);
			if (swfu.getStats().files_queued === 0) 
			{
				uploadDone();
			}
			else
			{
				swfu.startUpload();
			}
		} 
	} catch (ex) {

	}
	return false;
}

 // Called by the queue complete handler to submit the form
function uploadDone() {
	try {
		document.getElementById("main_form").submit();
	} catch (ex) {
		alert("Ошибка отправки формы...");
	}
}

/* This is an example of how to cancel all the files queued up.  It's made somewhat generic.  Just pass your SWFUpload
object in to this method and it loops through cancelling the uploads. */
function cancelQueue(instance) {
	/*document.getElementById(instance.customSettings.cancelButtonId).disabled = true;*/
	instance.stopUpload();
	var stats;
	
	do {
		stats = instance.getStats();
		instance.cancelUpload();
	} while (stats.files_queued !== 0);
	
}

/* **********************
   Event Handlers
   These are my custom event handlers to make my
   web application behave the way I went when SWFUpload
   completes different tasks.  These aren't part of the SWFUpload
   package.  They are part of my application.  Without these none
   of the actions SWFUpload makes will show up in my application.
   ********************** */
function fileDialogStart() {
	/* I don't need to do anything here */
}
function fileQueued(file) {
	try {
		// You might include code here that prevents the form from being submitted while the upload is in
		// progress.  Then you'll want to put code in the Queue Complete handler to "unblock" the form
		var progress = new FileProgress(file, this.customSettings.progressTarget);
		progress.setStatus("Файл готов к загрузке");
		progress.toggleCancel(true, this);

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

}

function fileQueueError(file, errorCode, message) {
	try {
		if (errorCode === SWFUpload.QUEUE_ERROR.QUEUE_LIMIT_EXCEEDED) {
			alert("Вы пытаетесь выбрать слишком много файлов.\n" + (message == 0 ? "Вы достигли лимита количества файлов." : "Вы можете выбрать " + (message > 1 ? "максимум " + message + " файла." : "только один файл.")));
			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("Файл слишком большой.");
			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;
		case SWFUpload.QUEUE_ERROR.QUEUE_LIMIT_EXCEEDED:
			alert("You have selected too many files.  " +  (message > 1 ? "You may only add " +  message + " more files" : "You cannot add any more files."));
			break;
		default:
			if (file !== null) {
				progress.setStatus("Неизвестная ошибка");
			}
			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 (this.getStats().files_queued > 0) {
			document.getElementById(this.customSettings.cancelButtonId).disabled = false;
		}*/
		
		/* I want auto start and I can do that here */
		//this.startUpload();
	} catch (ex)  {
        this.debug(ex);
	}
}

function uploadStart(file) {
	try {
		/* I don't want to do any file validation or anything,  I'll just update the UI and return true to indicate that the upload should start */
		var progress = new FileProgress(file, this.customSettings.progressTarget);
		progress.setStatus("Загрузка...");
		progress.toggleCancel(true, this);
	}
	catch (ex) {
	}
	
	return true;
}

function uploadProgress(file, bytesLoaded, bytesTotal) {

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

		var progress = new FileProgress(file, this.customSettings.progressTarget);
		progress.setProgress(percent);
		progress.setStatus("Загрузка...");
	} catch (ex) {
		this.debug(ex);
	}
}

function uploadSuccess(file, serverData) {
	try {
		var progress = new FileProgress(file, this.customSettings.progressTarget);
		progress.setComplete();
		progress.setStatus("Файл загружен.");
		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) {
			//document.getElementById(this.customSettings.BrowseButton).disabled = "true";			
			uploadDone();
		} else {	
			this.startUpload();
		}
	} catch (ex) {
		this.debug(ex);
	}

}

function uploadError(file, errorCode, message) {
	try {
		var progress = new FileProgress(file, this.customSettings.progressTarget);
		progress.setError();
		progress.toggleCancel(false);

		switch (errorCode) {
		case SWFUpload.UPLOAD_ERROR.HTTP_ERROR:
			progress.setStatus("Ошибка загрузки: " + message);
			this.debug("Error Code: HTTP Error, File name: " + file.name + ", Message: " + message);
			break;
		case SWFUpload.UPLOAD_ERROR.MISSING_UPLOAD_URL:
			progress.setStatus("Ошибка конфигурации");
			this.debug("Error Code: No backend file, File name: " + file.name + ", Message: " + message);
			break;
		case SWFUpload.UPLOAD_ERROR.UPLOAD_FAILED:
			progress.setStatus("Загрузка неудалась.");
			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("Серверная ошибка ввода/вывода");
			this.debug("Error Code: IO Error, File name: " + file.name + ", Message: " + message);
			break;
		case SWFUpload.UPLOAD_ERROR.SECURITY_ERROR:
			progress.setStatus("Ошибка безопасности");
			this.debug("Error Code: Security Error, File name: " + file.name + ", Message: " + message);
			break;
		case SWFUpload.UPLOAD_ERROR.UPLOAD_LIMIT_EXCEEDED:
			progress.setStatus("Достигнут максимум кол-ва файлов.");
			this.debug("Error Code: Upload Limit Exceeded, File name: " + file.name + ", File size: " + file.size + ", Message: " + message);
			break;
		case SWFUpload.UPLOAD_ERROR.SPECIFIED_FILE_ID_NOT_FOUND:
			progress.setStatus("Файл не найден.");
			this.debug("Error Code: The file was not found, File name: " + file.name + ", File size: " + file.size + ", Message: " + message);
			break;
		case SWFUpload.UPLOAD_ERROR.FILE_VALIDATION_FAILED:
			progress.setStatus("Ошибка проверки. Файл пропущен.");
			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 (this.getStats().files_queued === 0) {
				document.getElementById(this.customSettings.cancelButtonId).disabled = true;
			}*/
			progress.setStatus("Загрузка файла отменена");
			progress.setCancelled();
			break;
		case SWFUpload.UPLOAD_ERROR.UPLOAD_STOPPED:
			progress.setStatus("Загрузка остановлена");
			break;
		default:
			progress.setStatus("Неизвестная ошибка: " + error_code);
			this.debug("Error Code: " + errorCode + ", File name: " + file.name + ", File size: " + file.size + ", Message: " + message);
			break;
		}
	} catch (ex) {
        this.debug(ex);
    }
}