/**
 * SWFUpload: http://www.swfupload.org, http://swfupload.googlecode.com
 * mmSWFUpload 1.0: Flash upload dialog - http://profandesign.se/swfupload/,
 * http://www.vinterwebb.se/ SWFUpload is (c) 2006-2007 Lars Huring, Olov Nilzén
 * and Mammon Media and is released under the MIT License:
 * http://www.opensource.org/licenses/mit-license.php SWFUpload 2 is (c)
 * 2007-2008 Jake Roberts and is released under the MIT License:
 * http://www.opensource.org/licenses/mit-license.php
 */
/* ******************* */
/* Constructor & Init */
/* ******************* */
var SWFUpload;
if (SWFUpload == undefined) {
	SWFUpload = function(settings) {
		this.initSWFUpload(settings);
	};
};
SWFUpload.prototype.initSWFUpload = function(settings) {
	try {
		this.customSettings = {}; // A container where developers can place
		// their own settings associated with this
		// instance.
		this.settings = settings;
		this.eventQueue = [];
		this.movieName = "SWFUpload_" + SWFUpload.movieCount++;
		this.movieElement = null;
		// Setup global control tracking
		SWFUpload.instances[this.movieName] = this;
		// Load the settings. Load the Flash movie.
		this.initSettings();
		this.loadFlash();
		this.displayDebugInfo();
	} catch (ex) {
		delete SWFUpload.instances[this.movieName];
		throw ex;
	}
};
/* *************** */
/* Static Members */
/* *************** */
SWFUpload.instances = {};
SWFUpload.movieCount = 0;
SWFUpload.version = "2.2.0 Beta 2";
SWFUpload.QUEUE_ERROR = {
    QUEUE_LIMIT_EXCEEDED :-100,
    FILE_EXCEEDS_SIZE_LIMIT :-110,
    ZERO_BYTE_FILE :-120,
    INVALID_FILETYPE :-130
};
SWFUpload.UPLOAD_ERROR = {
    HTTP_ERROR :-200,
    MISSING_UPLOAD_URL :-210,
    IO_ERROR :-220,
    SECURITY_ERROR :-230,
    UPLOAD_LIMIT_EXCEEDED :-240,
    UPLOAD_FAILED :-250,
    SPECIFIED_FILE_ID_NOT_FOUND :-260,
    FILE_VALIDATION_FAILED :-270,
    FILE_CANCELLED :-280,
    UPLOAD_STOPPED :-290
};
SWFUpload.FILE_STATUS = {
    QUEUED :-1,
    IN_PROGRESS :-2,
    ERROR :-3,
    COMPLETE :-4,
    CANCELLED :-5
};
SWFUpload.BUTTON_ACTION = {
    SELECT_FILE :-100,
    SELECT_FILES :-110,
    START_UPLOAD :-120
};
SWFUpload.CURSOR = {
    ARROW :-1,
    HAND :-2
};
SWFUpload.WINDOW_MODE = {
    WINDOW :"window",
    TRANSPARENT :"transparent",
    OPAQUE :"opaque"
};
/* ******************** */
/* Instance Members */
/* ******************** */
// Private: initSettings ensures that all the
// settings are set, getting a default value if one was not assigned.
SWFUpload.prototype.initSettings = function() {
	this.ensureDefault = function(settingName, defaultValue) {
		this.settings[settingName] = (this.settings[settingName] == undefined) ? defaultValue : this.settings[settingName];
	};
	// Upload backend settings
	this.ensureDefault("upload_url", "");
	this.ensureDefault("file_post_name", "Filedata");
	this.ensureDefault("post_params", {});
	this.ensureDefault("use_query_string", false);
	this.ensureDefault("requeue_on_error", false);
	this.ensureDefault("http_success", []);
	// File Settings
	this.ensureDefault("file_types", "*.*");
	this.ensureDefault("file_types_description", "All Files");
	this.ensureDefault("file_size_limit", 0); // Default zero means
	// "unlimited"
	this.ensureDefault("file_upload_limit", 0);
	this.ensureDefault("file_queue_limit", 0);
	// Flash Settings
	this.ensureDefault("flash_url", "swfupload.swf");
	this.ensureDefault("prevent_swf_caching", true);
	// Button Settings
	this.ensureDefault("button_image_url", "");
	this.ensureDefault("button_width", 1);
	this.ensureDefault("button_height", 1);
	this.ensureDefault("button_text", "");
	this.ensureDefault("button_text_style", "color: #000000; font-size: 16pt;");
	this.ensureDefault("button_text_top_padding", 0);
	this.ensureDefault("button_text_left_padding", 0);
	this.ensureDefault("button_action", SWFUpload.BUTTON_ACTION.SELECT_FILES);
	this.ensureDefault("button_disabled", false);
	this.ensureDefault("button_placeholder_id", null);
	this.ensureDefault("button_cursor", SWFUpload.CURSOR.ARROW);
	this.ensureDefault("button_window_mode", SWFUpload.WINDOW_MODE.WINDOW);
	// Debug Settings
	this.ensureDefault("debug", false);
	this.settings.debug_enabled = this.settings.debug; // Here to maintain v2
	// API
	// Event Handlers
	this.settings.return_upload_start_handler = this.returnUploadStart;
	this.ensureDefault("swfupload_loaded_handler", null);
	this.ensureDefault("file_dialog_start_handler", null);
	this.ensureDefault("file_queued_handler", null);
	this.ensureDefault("file_queue_error_handler", null);
	this.ensureDefault("file_dialog_complete_handler", null);
	this.ensureDefault("upload_start_handler", null);
	this.ensureDefault("upload_progress_handler", null);
	this.ensureDefault("upload_error_handler", null);
	this.ensureDefault("upload_success_handler", null);
	this.ensureDefault("upload_complete_handler", null);
	this.ensureDefault("debug_handler", this.debugMessage);
	this.ensureDefault("custom_settings", {});
	// Other settings
	this.customSettings = this.settings.custom_settings;
	// Update the flash url if needed
	if (this.settings.prevent_swf_caching) {
		this.settings.flash_url = this.settings.flash_url + "?swfuploadrnd=" + Math.floor(Math.random() * 999999999);
	};
	delete this.ensureDefault;
};
SWFUpload.prototype.loadFlash = function() {
	if (this.settings.button_placeholder_id !== "") {
		this.replaceWithFlash();
	} else {
		this.appendFlash();
	}
};
// Private: appendFlash gets the HTML tag for the Flash
// It then appends the flash to the body
SWFUpload.prototype.appendFlash = function() {
	var targetElement, container;
	// Make sure an element with the ID we are going to use doesn't already
	// exist
	if (document.getElementById(this.movieName) !== null) {
		throw "ID " + this.movieName + " is already in use. The Flash Object could not be added";
	};
	// Get the body tag where we will be adding the flash movie
	targetElement = document.getElementsByTagName("body")[0];
	if (targetElement == undefined) {
		throw "Could not find the 'body' element.";
	};
	// Append the container and load the flash
	container = document.createElement("div");
	container.style.width = "1px";
	container.style.height = "1px";
	container.style.overflow = "hidden";
	targetElement.appendChild(container);
	container.innerHTML = this.getFlashHTML(); // Using innerHTML is
	// non-standard but the only
	// sensible way to dynamically
	// add Flash in IE (and maybe
	// other browsers)
};
// Private: replaceWithFlash replaces the button_placeholder element with the
// flash movie.
SWFUpload.prototype.replaceWithFlash = function() {
	var targetElement, tempParent;
	// Make sure an element with the ID we are going to use doesn't already
	// exist
	if (document.getElementById(this.movieName) !== null) {
		throw "ID " + this.movieName + " is already in use. The Flash Object could not be added";
	};
	// Get the element where we will be placing the flash movie
	targetElement = document.getElementById(this.settings.button_placeholder_id);
	if (targetElement == undefined) {
		throw "Could not find the placeholder element.";
	};
	// Append the container and load the flash
	tempParent = document.createElement("div");
	tempParent.innerHTML = this.getFlashHTML(); // Using innerHTML is
	// non-standard but the only
	// sensible way to dynamically
	// add Flash in IE (and maybe
	// other browsers)
	targetElement.parentNode.replaceChild(tempParent.firstChild, targetElement);
};
// Private: getFlashHTML generates the object tag needed to embed the flash in
// to the document
SWFUpload.prototype.getFlashHTML = function() {
	// Flash Satay object syntax: http://www.alistapart.com/articles/flashsatay
	return [
	        '<object id="', this.movieName, '" type="application/x-shockwave-flash" data="', this.settings.flash_url, '" width="', this.settings.button_width, '" height="', this.settings.button_height, '" class="swfupload">', '<param name="wmode" value="', this.settings.button_window_mode, '" />',
	        '<param name="movie" value="', this.settings.flash_url, '" />', '<param name="quality" value="high" />', '<param name="menu" value="false" />', '<param name="allowScriptAccess" value="always" />', '<param name="flashvars" value="' + this.getFlashVars() + '" />', '</object>'
	].join("");
};
// Private: getFlashVars builds the parameter string that will be passed
// to flash in the flashvars param.
SWFUpload.prototype.getFlashVars = function() {
	// Build a string from the post param object
	var paramString = this.buildParamString();
	var httpSuccessString = this.settings.http_success.join(",");
	// Build the parameter string
	return [
	        "movieName=", encodeURIComponent(this.movieName), "&amp;uploadURL=", encodeURIComponent(this.settings.upload_url), "&amp;useQueryString=", encodeURIComponent(this.settings.use_query_string), "&amp;requeueOnError=", encodeURIComponent(this.settings.requeue_on_error), "&amp;httpSuccess=",
	        encodeURIComponent(httpSuccessString), "&amp;params=", encodeURIComponent(paramString), "&amp;filePostName=", encodeURIComponent(this.settings.file_post_name), "&amp;fileTypes=", encodeURIComponent(this.settings.file_types), "&amp;fileTypesDescription=",
	        encodeURIComponent(this.settings.file_types_description), "&amp;fileSizeLimit=", encodeURIComponent(this.settings.file_size_limit), "&amp;fileUploadLimit=", encodeURIComponent(this.settings.file_upload_limit), "&amp;fileQueueLimit=", encodeURIComponent(this.settings.file_queue_limit),
	        "&amp;debugEnabled=", encodeURIComponent(this.settings.debug_enabled), "&amp;buttonImageURL=", encodeURIComponent(this.settings.button_image_url), "&amp;buttonWidth=", encodeURIComponent(this.settings.button_width), "&amp;buttonHeight=", encodeURIComponent(this.settings.button_height),
	        "&amp;buttonText=", encodeURIComponent(this.settings.button_text), "&amp;buttonTextTopPadding=", encodeURIComponent(this.settings.button_text_top_padding), "&amp;buttonTextLeftPadding=", encodeURIComponent(this.settings.button_text_left_padding), "&amp;buttonTextStyle=",
	        encodeURIComponent(this.settings.button_text_style), "&amp;buttonAction=", encodeURIComponent(this.settings.button_action), "&amp;buttonDisabled=", encodeURIComponent(this.settings.button_disabled), "&amp;buttonCursor=", encodeURIComponent(this.settings.button_cursor)
	].join("");
};
// Public: getMovieElement retrieves the DOM reference to the Flash element
// added by SWFUpload
// The element is cached after the first lookup
SWFUpload.prototype.getMovieElement = function() {
	if (this.movieElement == undefined) {
		this.movieElement = document.getElementById(this.movieName);
	};
	if (this.movieElement === null) {
		throw "Could not find Flash element";
	};
	return this.movieElement;
};
// Private: buildParamString takes the name/value pairs in the post_params
// setting object
// and joins them up in to a string formatted "name=value&amp;name=value"
SWFUpload.prototype.buildParamString = function() {
	var postParams = this.settings.post_params;
	var paramStringPairs = [];
	if (typeof (postParams) === "object") {
		for ( var name in postParams) {
			if (postParams.hasOwnProperty(name)) {
				paramStringPairs.push(encodeURIComponent(name.toString()) + "=" + encodeURIComponent(postParams[name].toString()));
			}
		}
	};
	return paramStringPairs.join("&amp;");
};
// Public: Used to remove a SWFUpload instance from the page. This method
// strives to remove
// all references to the SWF, and other objects so memory is properly freed.
// Returns true if everything was destroyed. Returns a false if a failure occurs
// leaving SWFUpload in an inconsistant state.
SWFUpload.prototype.destroy = function() {
	try {
		// Make sure Flash is done before we try to remove it
		this.stopUpload();
		// Remove the SWFUpload DOM nodes
		var movieElement = null;
		try {
			movieElement = this.getMovieElement();
		} catch (ex) {
		};
		if (movieElement != undefined && movieElement.parentNode != undefined && typeof movieElement.parentNode.removeChild === "function") {
			var container = movieElement.parentNode;
			if (container != undefined) {
				container.removeChild(movieElement);
				if (container.parentNode != undefined && typeof container.parentNode.removeChild === "function") {
					container.parentNode.removeChild(container);
				}
			}
		};
		// Destroy references
		SWFUpload.instances[this.movieName] = null;
		delete SWFUpload.instances[this.movieName];
		delete this.movieElement;
		delete this.settings;
		delete this.customSettings;
		delete this.eventQueue;
		delete this.movieName;
		delete window[this.movieName];
		return true;
	} catch (ex1) {
		return false;
	}
};
// Public: displayDebugInfo prints out settings and configuration
// information about this SWFUpload instance.
// This function (and any references to it) can be deleted when placing
// SWFUpload in production.
SWFUpload.prototype.displayDebugInfo = function() {
	this.debug( [
	        "---SWFUpload Instance Info---\n", "Version: ", SWFUpload.version, "\n", "Movie Name: ", this.movieName, "\n", "Settings:\n", "\t", "upload_url:               ", this.settings.upload_url, "\n", "\t", "flash_url:                ", this.settings.flash_url, "\n", "\t",
	        "use_query_string:         ", this.settings.use_query_string.toString(), "\n", "\t", "requeue_on_error:         ", this.settings.requeue_on_error.toString(), "\n", "\t", "http_success:             ", this.settings.http_success.join(", "), "\n", "\t", "file_post_name:           ",
	        this.settings.file_post_name, "\n", "\t", "post_params:              ", this.settings.post_params.toString(), "\n", "\t", "file_types:               ", this.settings.file_types, "\n", "\t", "file_types_description:   ", this.settings.file_types_description, "\n", "\t",
	        "file_size_limit:          ", this.settings.file_size_limit, "\n", "\t", "file_upload_limit:        ", this.settings.file_upload_limit, "\n", "\t", "file_queue_limit:         ", this.settings.file_queue_limit, "\n", "\t", "debug:                    ", this.settings.debug.toString(),
	        "\n", "\t", "prevent_swf_caching:      ", this.settings.prevent_swf_caching.toString(), "\n", "\t", "button_placeholder_id:    ", this.settings.button_placeholder_id.toString(), "\n", "\t", "button_image_url:         ", this.settings.button_image_url.toString(), "\n", "\t",
	        "button_width:             ", this.settings.button_width.toString(), "\n", "\t", "button_height:            ", this.settings.button_height.toString(), "\n", "\t", "button_text:              ", this.settings.button_text.toString(), "\n", "\t", "button_text_style:        ",
	        this.settings.button_text_style.toString(), "\n", "\t", "button_text_top_padding:  ", this.settings.button_text_top_padding.toString(), "\n", "\t", "button_text_left_padding: ", this.settings.button_text_left_padding.toString(), "\n", "\t", "button_action:            ",
	        this.settings.button_action.toString(), "\n", "\t", "button_disabled:          ", this.settings.button_disabled.toString(), "\n", "\t", "custom_settings:          ", this.settings.custom_settings.toString(), "\n", "Event Handlers:\n", "\t", "swfupload_loaded_handler assigned:  ",
	        (typeof this.settings.swfupload_loaded_handler === "function").toString(), "\n", "\t", "file_dialog_start_handler assigned: ", (typeof this.settings.file_dialog_start_handler === "function").toString(), "\n", "\t", "file_queued_handler assigned:       ",
	        (typeof this.settings.file_queued_handler === "function").toString(), "\n", "\t", "file_queue_error_handler assigned:  ", (typeof this.settings.file_queue_error_handler === "function").toString(), "\n", "\t", "upload_start_handler assigned:      ",
	        (typeof this.settings.upload_start_handler === "function").toString(), "\n", "\t", "upload_progress_handler assigned:   ", (typeof this.settings.upload_progress_handler === "function").toString(), "\n", "\t", "upload_error_handler assigned:      ",
	        (typeof this.settings.upload_error_handler === "function").toString(), "\n", "\t", "upload_success_handler assigned:    ", (typeof this.settings.upload_success_handler === "function").toString(), "\n", "\t", "upload_complete_handler assigned:   ",
	        (typeof this.settings.upload_complete_handler === "function").toString(), "\n", "\t", "debug_handler assigned:             ", (typeof this.settings.debug_handler === "function").toString(), "\n"
	].join(""));
};
/*
 * Note: addSetting and getSetting are no longer used by SWFUpload but are
 * included the maintain v2 API compatibility
 */
// Public: (Deprecated) addSetting adds a setting value. If the value given is
// undefined or null then the default_value is used.
SWFUpload.prototype.addSetting = function(name, value, default_value) {
	if (value == undefined) {
		return (this.settings[name] = default_value);
	} else {
		return (this.settings[name] = value);
	}
};
// Public: (Deprecated) getSetting gets a setting. Returns an empty string if
// the setting was not found.
SWFUpload.prototype.getSetting = function(name) {
	if (this.settings[name] != undefined) {
		return this.settings[name];
	};
	return "";
};
// Private: callFlash handles function calls made to the Flash element.
// Calls are made with a setTimeout for some functions to work around
// bugs in the ExternalInterface library.
SWFUpload.prototype.callFlash = function(functionName, argumentArray) {
	argumentArray = argumentArray || [];
	var movieElement = this.getMovieElement();
	var returnValue;
	if (typeof movieElement[functionName] === "function") {
		// We have to go through all this if/else stuff because the Flash
		// functions don't have apply() and only accept the exact number of
		// arguments.
		if (argumentArray.length === 0) {
			returnValue = movieElement[functionName]();
		} else if (argumentArray.length === 1) {
			returnValue = movieElement[functionName](argumentArray[0]);
		} else if (argumentArray.length === 2) {
			returnValue = movieElement[functionName](argumentArray[0], argumentArray[1]);
		} else if (argumentArray.length === 3) {
			returnValue = movieElement[functionName](argumentArray[0], argumentArray[1], argumentArray[2]);
		} else {
			throw "Too many arguments";
		};
		// Unescape file post param values
		if (returnValue != undefined && typeof returnValue.post === "object") {
			returnValue = this.unescapeFilePostParams(returnValue);
		};
		return returnValue;
	} else {
		throw "Invalid function name: " + functionName;
	}
};
/*******************************************************************************
 * -- Flash control methods -- Your UI should use these to operate SWFUpload
 ******************************************************************************/
// Public: selectFile causes a File Selection Dialog window to appear. This
// dialog only allows 1 file to be selected. WARNING: this function does not
// work in Flash Player 10
SWFUpload.prototype.selectFile = function() {
	this.callFlash("SelectFile");
};
// Public: selectFiles causes a File Selection Dialog window to appear/ This
// dialog allows the user to select any number of files
// Flash Bug Warning: Flash limits the number of selectable files based on the
// combined length of the file names.
// If the selection name length is too long the dialog will fail in an
// unpredictable manner. There is no work-around
// for this bug. WARNING: this function does not work in Flash Player 10
SWFUpload.prototype.selectFiles = function() {
	this.callFlash("SelectFiles");
};
// Public: startUpload starts uploading the first file in the queue unless
// the optional parameter 'fileID' specifies the ID
SWFUpload.prototype.startUpload = function(fileID) {
	this.callFlash("StartUpload", [
		fileID
	]);
};
// Public: cancelUpload cancels any queued file. The fileID parameter may be the
// file ID or index.
// If you do not specify a fileID the current uploading file or first file in
// the queue is cancelled.
// If you do not want the uploadError event to trigger you can specify false for
// the triggerErrorEvent parameter.
SWFUpload.prototype.cancelUpload = function(fileID, triggerErrorEvent) {
	this.callFlash("CancelUpload", [
	        fileID, triggerErrorEvent
	]);
};
// Public: stopUpload stops the current upload and requeues the file at the
// beginning of the queue.
// If nothing is currently uploading then nothing happens.
SWFUpload.prototype.stopUpload = function() {
	this.callFlash("StopUpload");
};
/*******************************************************************************
 * Settings methods These methods change the SWFUpload settings. SWFUpload
 * settings should not be changed directly on the settings object since many of
 * the settings need to be passed to Flash in order to take effect.
 * ***********************
 */
// Public: getStats gets the file statistics object.
SWFUpload.prototype.getStats = function() {
	return this.callFlash("GetStats");
};
// Public: setStats changes the SWFUpload statistics. You shouldn't need to
// change the statistics but you can. Changing the statistics does not
// affect SWFUpload accept for the successful_uploads count which is used
// by the upload_limit setting to determine how many files the user may upload.
SWFUpload.prototype.setStats = function(statsObject) {
	this.callFlash("SetStats", [
		statsObject
	]);
};
// Public: getFile retrieves a File object by ID or Index. If the file is
// not found then 'null' is returned.
SWFUpload.prototype.getFile = function(fileID) {
	if (typeof (fileID) === "number") {
		return this.callFlash("GetFileByIndex", [
			fileID
		]);
	} else {
		return this.callFlash("GetFile", [
			fileID
		]);
	}
};
// Public: addFileParam sets a name/value pair that will be posted with the
// file specified by the Files ID. If the name already exists then the
// exiting value will be overwritten.
SWFUpload.prototype.addFileParam = function(fileID, name, value) {
	return this.callFlash("AddFileParam", [
	        fileID, name, value
	]);
};
// Public: removeFileParam removes a previously set (by addFileParam) name/value
// pair from the specified file.
SWFUpload.prototype.removeFileParam = function(fileID, name) {
	this.callFlash("RemoveFileParam", [
	        fileID, name
	]);
};
// Public: setUploadUrl changes the upload_url setting.
SWFUpload.prototype.setUploadURL = function(url) {
	this.settings.upload_url = url.toString();
	this.callFlash("SetUploadURL", [
		url
	]);
};
// Public: setPostParams changes the post_params setting
SWFUpload.prototype.setPostParams = function(paramsObject) {
	this.settings.post_params = paramsObject;
	this.callFlash("SetPostParams", [
		paramsObject
	]);
};
// Public: addPostParam adds post name/value pair. Each name can have only one
// value.
SWFUpload.prototype.addPostParam = function(name, value) {
	this.settings.post_params[name] = value;
	this.callFlash("SetPostParams", [
		this.settings.post_params
	]);
};
// Public: removePostParam deletes post name/value pair.
SWFUpload.prototype.removePostParam = function(name) {
	delete this.settings.post_params[name];
	this.callFlash("SetPostParams", [
		this.settings.post_params
	]);
};
// Public: setFileTypes changes the file_types setting and the
// file_types_description setting
SWFUpload.prototype.setFileTypes = function(types, description) {
	this.settings.file_types = types;
	this.settings.file_types_description = description;
	this.callFlash("SetFileTypes", [
	        types, description
	]);
};
// Public: setFileSizeLimit changes the file_size_limit setting
SWFUpload.prototype.setFileSizeLimit = function(fileSizeLimit) {
	this.settings.file_size_limit = fileSizeLimit;
	this.callFlash("SetFileSizeLimit", [
		fileSizeLimit
	]);
};
// Public: setFileUploadLimit changes the file_upload_limit setting
SWFUpload.prototype.setFileUploadLimit = function(fileUploadLimit) {
	this.settings.file_upload_limit = fileUploadLimit;
	this.callFlash("SetFileUploadLimit", [
		fileUploadLimit
	]);
};
// Public: setFileQueueLimit changes the file_queue_limit setting
SWFUpload.prototype.setFileQueueLimit = function(fileQueueLimit) {
	this.settings.file_queue_limit = fileQueueLimit;
	this.callFlash("SetFileQueueLimit", [
		fileQueueLimit
	]);
};
// Public: setFilePostName changes the file_post_name setting
SWFUpload.prototype.setFilePostName = function(filePostName) {
	this.settings.file_post_name = filePostName;
	this.callFlash("SetFilePostName", [
		filePostName
	]);
};
// Public: setUseQueryString changes the use_query_string setting
SWFUpload.prototype.setUseQueryString = function(useQueryString) {
	this.settings.use_query_string = useQueryString;
	this.callFlash("SetUseQueryString", [
		useQueryString
	]);
};
// Public: setRequeueOnError changes the requeue_on_error setting
SWFUpload.prototype.setRequeueOnError = function(requeueOnError) {
	this.settings.requeue_on_error = requeueOnError;
	this.callFlash("SetRequeueOnError", [
		requeueOnError
	]);
};
// Public: setHTTPSuccess changes the http_success setting
SWFUpload.prototype.setHTTPSuccess = function(http_status_codes) {
	if (typeof http_status_codes === "string") {
		http_status_codes = http_status_codes.replace(" ", "").split(",");
	};
	this.settings.http_success = http_status_codes;
	this.callFlash("SetHTTPSuccess", [
		http_status_codes
	]);
};
// Public: setDebugEnabled changes the debug_enabled setting
SWFUpload.prototype.setDebugEnabled = function(debugEnabled) {
	this.settings.debug_enabled = debugEnabled;
	this.callFlash("SetDebugEnabled", [
		debugEnabled
	]);
};
// Public: setButtonImageURL loads a button image sprite
SWFUpload.prototype.setButtonImageURL = function(buttonImageURL) {
	if (buttonImageURL == undefined) {
		buttonImageURL = "";
	};
	this.settings.button_image_url = buttonImageURL;
	this.callFlash("SetButtonImageURL", [
		buttonImageURL
	]);
};
// Public: setButtonDimensions resizes the Flash Movie and button
SWFUpload.prototype.setButtonDimensions = function(width, height) {
	this.settings.button_width = width;
	this.settings.button_height = height;
	var movie = this.getMovieElement();
	if (movie != undefined) {
		movie.style.width = width + "px";
		movie.style.height = height + "px";
	};
	this.callFlash("SetButtonDimensions", [
	        width, height
	]);
};
// Public: setButtonText Changes the text overlaid on the button
SWFUpload.prototype.setButtonText = function(html) {
	this.settings.button_text = html;
	this.callFlash("SetButtonText", [
		html
	]);
};
// Public: setButtonTextPadding changes the top and left padding of the text
// overlay
SWFUpload.prototype.setButtonTextPadding = function(left, top) {
	this.settings.button_text_top_padding = top;
	this.settings.button_text_left_padding = left;
	this.callFlash("SetButtonTextPadding", [
	        left, top
	]);
};
// Public: setButtonTextStyle changes the CSS used to style the HTML/Text
// overlaid on the button
SWFUpload.prototype.setButtonTextStyle = function(css) {
	this.settings.button_text_style = css;
	this.callFlash("SetButtonTextStyle", [
		css
	]);
};
// Public: setButtonDisabled disables/enables the button
SWFUpload.prototype.setButtonDisabled = function(isDisabled) {
	this.settings.button_disabled = isDisabled;
	this.callFlash("SetButtonDisabled", [
		isDisabled
	]);
};
// Public: setButtonAction sets the action that occurs when the button is
// clicked
SWFUpload.prototype.setButtonAction = function(buttonAction) {
	this.settings.button_action = buttonAction;
	this.callFlash("SetButtonAction", [
		buttonAction
	]);
};
// Public: setButtonCursor changes the mouse cursor displayed when hovering over
// the button
SWFUpload.prototype.setButtonCursor = function(cursor) {
	this.settings.button_cursor = cursor;
	this.callFlash("SetButtonCursor", [
		cursor
	]);
};
/*******************************************************************************
 * Flash Event Interfaces These functions are used by Flash to trigger the
 * various events. All these functions a Private. Because the ExternalInterface
 * library is buggy the event calls are added to a queue and the queue then
 * executed by a setTimeout. This ensures that events are executed in a
 * determinate order and that the ExternalInterface bugs are avoided.
 ******************************************************************************/
SWFUpload.prototype.queueEvent = function(handlerName, argumentArray) {
	// Warning: Don't call this.debug inside here or you'll create an infinite
	// loop
	if (argumentArray == undefined) {
		argumentArray = [];
	} else if (!(argumentArray instanceof Array)) {
		argumentArray = [
			argumentArray
		];
	};
	var self = this;
	if (typeof this.settings[handlerName] === "function") {
		// Queue the event
		this.eventQueue.push( function() {
			this.settings[handlerName].apply(this, argumentArray);
		});
		// Execute the next queued event
		setTimeout( function() {
			self.executeNextEvent();
		}, 0);
	} else if (this.settings[handlerName] !== null) {
		throw "Event handler " + handlerName + " is unknown or is not a function";
	}
};
// Private: Causes the next event in the queue to be executed. Since events are
// queued using a setTimeout
// we must queue them in order to garentee that they are executed in order.
SWFUpload.prototype.executeNextEvent = function() {
	// Warning: Don't call this.debug inside here or you'll create an infinite
	// loop
	var f = this.eventQueue ? this.eventQueue.shift() : null;
	if (typeof (f) === "function") {
		f.apply(this);
	}
};
// Private: unescapeFileParams is part of a workaround for a flash bug where
// objects passed through ExternalInterface cannot have
// properties that contain characters that are not valid for JavaScript
// identifiers. To work around this
// the Flash Component escapes the parameter names and we must unescape again
// before passing them along.
SWFUpload.prototype.unescapeFilePostParams = function(file) {
	var reg = /[$]([0-9a-f]{4})/i;
	var unescapedPost = {};
	var uk;
	if (file != undefined) {
		for ( var k in file.post) {
			if (file.post.hasOwnProperty(k)) {
				uk = k;
				var match;
				while ((match = reg.exec(uk)) !== null) {
					uk = uk.replace(match[0], String.fromCharCode(parseInt("0x" + match[1], 16)));
				};
				unescapedPost[uk] = file.post[k];
			}
		};
		file.post = unescapedPost;
	};
	return file;
};
SWFUpload.prototype.flashReady = function() {
	// Check that the movie element is loaded correctly with its
	// ExternalInterface methods defined
	var movieElement = this.getMovieElement();
	if (typeof movieElement.StartUpload !== "function") {
		throw "ExternalInterface methods failed to initialize.";
	};
	// Fix IE Flash/Form bug
	if (window[this.movieName] == undefined) {
		window[this.movieName] = movieElement;
	};
	this.queueEvent("swfupload_loaded_handler");
};
/* This is a chance to do something before the browse window opens */
SWFUpload.prototype.fileDialogStart = function() {
	this.queueEvent("file_dialog_start_handler");
};
/* Called when a file is successfully added to the queue. */
SWFUpload.prototype.fileQueued = function(file) {
	file = this.unescapeFilePostParams(file);
	this.queueEvent("file_queued_handler", file);
};
/* Handle errors that occur when an attempt to queue a file fails. */
SWFUpload.prototype.fileQueueError = function(file, errorCode, message) {
	file = this.unescapeFilePostParams(file);
	this.queueEvent("file_queue_error_handler", [
	        file, errorCode, message
	]);
};
/*
 * Called after the file dialog has closed and the selected files have been
 * queued. You could call startUpload here if you want the queued files to begin
 * uploading immediately.
 */
SWFUpload.prototype.fileDialogComplete = function(numFilesSelected, numFilesQueued) {
	this.queueEvent("file_dialog_complete_handler", [
	        numFilesSelected, numFilesQueued
	]);
};
SWFUpload.prototype.uploadStart = function(file) {
	file = this.unescapeFilePostParams(file);
	this.queueEvent("return_upload_start_handler", file);
};
SWFUpload.prototype.returnUploadStart = function(file) {
	var returnValue;
	if (typeof this.settings.upload_start_handler === "function") {
		file = this.unescapeFilePostParams(file);
		returnValue = this.settings.upload_start_handler.call(this, file);
	} else if (this.settings.upload_start_handler != undefined) {
		throw "upload_start_handler must be a function";
	};
	// Convert undefined to true so if nothing is returned from the
	// upload_start_handler it is
	// interpretted as 'true'.
	if (returnValue === undefined) {
		returnValue = true;
	};
	returnValue = !!returnValue;
	this.callFlash("ReturnUploadStart", [
		returnValue
	]);
};
SWFUpload.prototype.uploadProgress = function(file, bytesComplete, bytesTotal) {
	file = this.unescapeFilePostParams(file);
	this.queueEvent("upload_progress_handler", [
	        file, bytesComplete, bytesTotal
	]);
};
SWFUpload.prototype.uploadError = function(file, errorCode, message) {
	file = this.unescapeFilePostParams(file);
	this.queueEvent("upload_error_handler", [
	        file, errorCode, message
	]);
};
SWFUpload.prototype.uploadSuccess = function(file, serverData) {
	file = this.unescapeFilePostParams(file);
	this.queueEvent("upload_success_handler", [
	        file, serverData
	]);
};
SWFUpload.prototype.uploadComplete = function(file) {
	file = this.unescapeFilePostParams(file);
	this.queueEvent("upload_complete_handler", file);
};
/*
 * Called by SWFUpload JavaScript and Flash functions when debug is enabled. By
 * default it writes messages to the internal debug console. You can override
 * this event and have messages written where you want.
 */
SWFUpload.prototype.debug = function(message) {
	this.queueEvent("debug_handler", message);
};
/*******************************************************************************
 * Debug Console The debug console is a self contained, in page location for
 * debug message to be sent. The Debug Console adds itself to the body if
 * necessary. The console is automatically scrolled as messages appear. If you
 * are using your own debug handler or when you deploy to production and have
 * debug disabled you can remove these functions to reduce the file size and
 * complexity.
 ******************************************************************************/
// Private: debugMessage is the default debug_handler. If you want to print
// debug messages
// call the debug() function. When overriding the function your own function
// should
// check to see if the debug setting is true before outputting debug
// information.
SWFUpload.prototype.debugMessage = function(message) {
	if (this.settings.debug) {
		var exceptionMessage, exceptionValues = [];
		// Check for an exception object and print it nicely
		if (typeof message === "object" && typeof message.name === "string" && typeof message.message === "string") {
			for ( var key in message) {
				if (message.hasOwnProperty(key)) {
					exceptionValues.push(key + ": " + message[key]);
				}
			};
			exceptionMessage = exceptionValues.join("\n") || "";
			exceptionValues = exceptionMessage.split("\n");
			exceptionMessage = "EXCEPTION: " + exceptionValues.join("\nEXCEPTION: ");
			SWFUpload.Console.writeLine(exceptionMessage);
		} else {
			SWFUpload.Console.writeLine(message);
		}
	}
};
SWFUpload.Console = {};
SWFUpload.Console.writeLine = function(message) {
	var console, documentForm;
	try {
		console = document.getElementById("SWFUpload_Console");
		if (!console) {
			documentForm = document.createElement("form");
			document.getElementsByTagName("body")[0].appendChild(documentForm);
			console = document.createElement("textarea");
			console.id = "SWFUpload_Console";
			console.style.fontFamily = "monospace";
			console.setAttribute("wrap", "off");
			console.wrap = "off";
			console.style.overflow = "auto";
			console.style.width = "700px";
			console.style.height = "350px";
			console.style.margin = "5px";
			documentForm.appendChild(console);
		};
		console.value += message + "\n";
		console.scrollTop = console.scrollHeight - console.clientHeight;
	} catch (ex) {
		alert("Exception: " + ex.name + " Message: " + ex.message);
	}
};