DiscuzX/upload/static/js/swfupload.js

/*
	[Discuz!] (C)2001-2099 Comsenz Inc.
	This is NOT a freeware, use is subject to license terms

	$Id: swfupload.js 28981 2012-03-21 06:43:44Z zhengqingpeng $
*/

var SWFUpload;
var swfobject;

if (SWFUpload == undefined) {
	SWFUpload = function (settings) {
		this.initSWFUpload(settings);
	};
}

SWFUpload.prototype.initSWFUpload = function (userSettings) {
	try {
		this.customSettings = {};	// A container where developers can place their own settings associated with this instance.
		this.settings = {};
		this.eventQueue = [];
		this.movieName = "SWFUpload_" + SWFUpload.movieCount++;
		this.movieElement = null;


		SWFUpload.instances[this.movieName] = this;

		this.initSettings(userSettings);
		this.loadSupport();
		if (this.swfuploadPreload()) {
			this.loadFlash();
		}

		this.displayDebugInfo();
	} catch (ex) {
		delete SWFUpload.instances[this.movieName];
		throw ex;
	}
};

SWFUpload.instances = {};
SWFUpload.movieCount = 0;
SWFUpload.version = "2.5.0 2010-01-15 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,
	RESIZE                          : -300
};
SWFUpload.FILE_STATUS = {
	QUEUED       : -1,
	IN_PROGRESS  : -2,
	ERROR        : -3,
	COMPLETE     : -4,
	CANCELLED    : -5
};
SWFUpload.UPLOAD_TYPE = {
	NORMAL       : -1,
	RESIZED      : -2
};

SWFUpload.BUTTON_ACTION = {
	SELECT_FILE             : -100,
	SELECT_FILES            : -110,
	START_UPLOAD            : -120,
	JAVASCRIPT              : -130,	// DEPRECATED
	NONE                    : -130
};
SWFUpload.CURSOR = {
	ARROW : -1,
	HAND  : -2
};
SWFUpload.WINDOW_MODE = {
	WINDOW       : "window",
	TRANSPARENT  : "transparent",
	OPAQUE       : "opaque"
};

SWFUpload.RESIZE_ENCODING = {
	JPEG  : -1,
	PNG   : -2
};

SWFUpload.completeURL = function (url) {
	try {
		var path = "", indexSlash = -1;
		if (typeof(url) !== "string" || url.match(/^https?:\/\//i) || url.match(/^\//) || url === "") {
			return url;
		}

		indexSlash = window.location.pathname.lastIndexOf("/");
		if (indexSlash <= 0) {
			path = "/";
		} else {
			path = window.location.pathname.substr(0, indexSlash) + "/";
		}

		return path + url;
	} catch (ex) {
		return url;
	}
};

SWFUpload.onload = function () {};



SWFUpload.prototype.initSettings = function (userSettings) {
	this.ensureDefault = function (settingName, defaultValue) {
		var setting = userSettings[settingName];
		if (setting != undefined) {
			this.settings[settingName] = setting;
		} else {
			this.settings[settingName] = defaultValue;
		}
	};

	this.ensureDefault("upload_url", "");
	this.ensureDefault("preserve_relative_urls", false);
	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", []);
	this.ensureDefault("assume_success_timeout", 0);

	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);

	this.ensureDefault("flash_url", IMGDIR+"/swfupload.swf");
	this.ensureDefault("flash9_url", IMGDIR+"/swfupload.swf");
	this.ensureDefault("prevent_swf_caching", true);

	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", "");
	this.ensureDefault("button_placeholder", null);
	this.ensureDefault("button_cursor", SWFUpload.CURSOR.ARROW);
	this.ensureDefault("button_window_mode", SWFUpload.WINDOW_MODE.WINDOW);

	this.ensureDefault("debug", false);
	this.settings.debug_enabled = this.settings.debug;	// Here to maintain v2 API

	this.settings.return_upload_start_handler = this.returnUploadStart;
	this.ensureDefault("swfupload_preload_handler", null);
	this.ensureDefault("swfupload_load_failed_handler", null);
	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_resize_start_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("mouse_click_handler", null);
	this.ensureDefault("mouse_out_handler", null);
	this.ensureDefault("mouse_over_handler", null);

	this.ensureDefault("debug_handler", this.debugMessage);

	this.ensureDefault("custom_settings", {});

	this.customSettings = this.settings.custom_settings;

	if (!!this.settings.prevent_swf_caching) {
		this.settings.flash_url = this.settings.flash_url + (this.settings.flash_url.indexOf("?") < 0 ? "?" : "&") + "preventswfcaching=" + new Date().getTime();
		this.settings.flash9_url = this.settings.flash9_url + (this.settings.flash9_url.indexOf("?") < 0 ? "?" : "&") + "preventswfcaching=" + new Date().getTime();
	}

	if (!this.settings.preserve_relative_urls) {
		this.settings.upload_url = SWFUpload.completeURL(this.settings.upload_url);
		this.settings.button_image_url = SWFUpload.completeURL(this.settings.button_image_url);
	}

	delete this.ensureDefault;
};

SWFUpload.prototype.loadSupport = function () {
	this.support = {
		loading : swfobject.hasFlashPlayerVersion("9.0.28"),
		imageResize : false
	};

};

SWFUpload.prototype.loadFlash = function () {
	var targetElement, tempParent, wrapperType, flashHTML, els;

	if (!this.support.loading) {
		this.queueEvent("swfupload_load_failed_handler", ["Flash Player doesn't support SWFUpload"]);
		return;
	}

	if (document.getElementById(this.movieName) !== null) {
		this.support.loading = false;
		this.queueEvent("swfupload_load_failed_handler", ["Element ID already in use"]);
		return;
	}

	targetElement = document.getElementById(this.settings.button_placeholder_id) || this.settings.button_placeholder;

	if (targetElement == undefined) {
		this.support.loading = false;
		this.queueEvent("swfupload_load_failed_handler", ["button place holder not found"]);
		return;
	}

	wrapperType = (targetElement.currentStyle && targetElement.currentStyle["display"] || window.getComputedStyle && document.defaultView.getComputedStyle(targetElement, null).getPropertyValue("display")) !== "block" ? "span" : "div";

	tempParent = document.createElement(wrapperType);

	flashHTML = this.getFlashHTML();

	try {
		tempParent.innerHTML = flashHTML;	// Using innerHTML is non-standard but the only sensible way to dynamically add Flash in IE (and maybe other browsers)
	} catch (ex) {
		this.support.loading = false;
		this.queueEvent("swfupload_load_failed_handler", ["Exception loading Flash HTML into placeholder"]);
		return;
	}

	els = tempParent.getElementsByTagName("object");
	if (!els || els.length > 1 || els.length === 0) {
		this.support.loading = false;
		this.queueEvent("swfupload_load_failed_handler", ["Unable to find movie after adding to DOM"]);
		return;
	} else if (els.length === 1) {
		this.movieElement = els[0];
	}

	targetElement.parentNode.replaceChild(tempParent.firstChild, targetElement);

	if (window[this.movieName] == undefined) {
		window[this.movieName] = this.getMovieElement();
	}
};

SWFUpload.prototype.getFlashHTML = function (flashVersion) {
	if(BROWSER.ie && !BROWSER.opera) {
		return AC_FL_RunContent('id', this.movieName, 'width', this.settings.button_width, 'height', this.settings.button_height, 'src', this.settings.flash_url, 'quality', 'high', 'wmode', this.settings.button_window_mode, 'flashvars', this.getFlashVars());
	} else {
		return ['<object id="', this.movieName, '" type="application/x-shockwave-flash" data="', (this.support.imageResize ? this.settings.flash_url : this.settings.flash9_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.support.imageResize ? this.settings.flash_url : this.settings.flash9_url), '" />',
					'<param name="quality" value="high" />',
					'<param name="allowScriptAccess" value="always" />',
					'<param name="flashvars" value="' + this.getFlashVars() + '" />',
					'</object>'].join("");
	}
};

SWFUpload.prototype.getFlashVars = function () {
	var httpSuccessString, paramString;

	paramString = this.buildParamString();
	httpSuccessString = this.settings.http_success.join(",");

	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;assumeSuccessTimeout=", encodeURIComponent(this.settings.assume_success_timeout),
			"&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("");
};

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;
};

SWFUpload.prototype.buildParamString = function () {
	var name, postParams, paramStringPairs = [];

	postParams = this.settings.post_params;

	if (typeof(postParams) === "object") {
		for (name in postParams) {
			if (postParams.hasOwnProperty(name)) {
				paramStringPairs.push(encodeURIComponent(name.toString()) + "=" + encodeURIComponent(postParams[name].toString()));
			}
		}
	}

	return paramStringPairs.join("&amp;");
};

SWFUpload.prototype.destroy = function () {
	var movieElement;

	try {
		this.cancelUpload(null, false);

		movieElement = this.cleanUp();

		if (movieElement) {
			try {
				movieElement.parentNode.removeChild(movieElement);
			} catch (ex) {}
		}

		window[this.movieName] = null;

		SWFUpload.instances[this.movieName] = null;
		delete SWFUpload.instances[this.movieName];

		this.movieElement = null;
		this.settings = null;
		this.customSettings = null;
		this.eventQueue = null;
		this.movieName = null;


		return true;
	} catch (ex2) {
		return false;
	}
};


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", "flash9_url:                ", this.settings.flash9_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", "assume_success_timeout:   ", this.settings.assume_success_timeout, "\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_placeholder:       ", (this.settings.button_placeholder ? "Set" : "Not Set"), "\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_cursor:            ", this.settings.button_cursor.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_preload_handler assigned:  ", (typeof this.settings.swfupload_preload_handler === "function").toString(), "\n",
			"\t", "swfupload_load_failed_handler assigned:  ", (typeof this.settings.swfupload_load_failed_handler === "function").toString(), "\n",
			"\t", "swfupload_loaded_handler assigned:  ", (typeof this.settings.swfupload_loaded_handler === "function").toString(), "\n",
			"\t", "mouse_click_handler assigned:       ", (typeof this.settings.mouse_click_handler === "function").toString(), "\n",
			"\t", "mouse_over_handler assigned:        ", (typeof this.settings.mouse_over_handler === "function").toString(), "\n",
			"\t", "mouse_out_handler assigned:         ", (typeof this.settings.mouse_out_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_resize_start_handler assigned:      ", (typeof this.settings.upload_resize_start_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",

			"Support:\n",
			"\t", "Load:                     ", (this.support.loading ? "Yes" : "No"), "\n",
			"\t", "Image Resize:             ", (this.support.imageResize ? "Yes" : "No"), "\n"

		].join("")
	);
};

SWFUpload.prototype.addSetting = function (name, value, default_value) {
    if (value == undefined) {
        return (this.settings[name] = default_value);
    } else {
        return (this.settings[name] = value);
	}
};

SWFUpload.prototype.getSetting = function (name) {
    if (this.settings[name] != undefined) {
        return this.settings[name];
	}

    return "";
};



SWFUpload.prototype.callFlash = function (functionName, argumentArray) {
	var movieElement, returnValue, returnString;

	argumentArray = argumentArray || [];
	movieElement = this.getMovieElement();

	try {
		if (movieElement != undefined) {
			returnString = movieElement.CallFunction('<invoke name="' + functionName + '" returntype="javascript">' + __flash__argumentsToXML(argumentArray, 0) + '</invoke>');
			returnValue = eval(returnString);
		} else {
			this.debug("Can't call flash because the movie wasn't found.");
		}
	} catch (ex) {
		this.debug("Exception calling flash function '" + functionName + "': " + ex.message);
	}

	if (returnValue != undefined && typeof returnValue.post === "object") {
		returnValue = this.unescapeFilePostParams(returnValue);
	}

	return returnValue;
};


SWFUpload.prototype.selectFile = function () {
	this.callFlash("SelectFile");
};

SWFUpload.prototype.selectFiles = function () {
	this.callFlash("SelectFiles");
};


SWFUpload.prototype.startUpload = function (fileID) {
	this.callFlash("StartUpload", [fileID]);
};

SWFUpload.prototype.startResizedUpload = function (fileID, width, height, encoding, quality, allowEnlarging) {
	this.callFlash("StartUpload", [fileID, { "width": width, "height" : height, "encoding" : encoding, "quality" : quality, "allowEnlarging" : allowEnlarging }]);
};

SWFUpload.prototype.cancelUpload = function (fileID, triggerErrorEvent) {
	if (triggerErrorEvent !== false) {
		triggerErrorEvent = true;
	}
	this.callFlash("CancelUpload", [fileID, triggerErrorEvent]);
};

SWFUpload.prototype.stopUpload = function () {
	this.callFlash("StopUpload");
};


SWFUpload.prototype.requeueUpload = function (indexOrFileID) {
	return this.callFlash("RequeueUpload", [indexOrFileID]);
};



SWFUpload.prototype.getStats = function () {
	return this.callFlash("GetStats");
};

SWFUpload.prototype.setStats = function (statsObject) {
	this.callFlash("SetStats", [statsObject]);
};

SWFUpload.prototype.getFile = function (fileID) {
	if (typeof(fileID) === "number") {
		return this.callFlash("GetFileByIndex", [fileID]);
	} else {
		return this.callFlash("GetFile", [fileID]);
	}
};

SWFUpload.prototype.getQueueFile = function (fileID) {
	if (typeof(fileID) === "number") {
		return this.callFlash("GetFileByQueueIndex", [fileID]);
	} else {
		return this.callFlash("GetFile", [fileID]);
	}
};


SWFUpload.prototype.addFileParam = function (fileID, name, value) {
	return this.callFlash("AddFileParam", [fileID, name, value]);
};

SWFUpload.prototype.removeFileParam = function (fileID, name) {
	this.callFlash("RemoveFileParam", [fileID, name]);
};

SWFUpload.prototype.setUploadURL = function (url) {
	this.settings.upload_url = url.toString();
	this.callFlash("SetUploadURL", [url]);
};

SWFUpload.prototype.setPostParams = function (paramsObject) {
	this.settings.post_params = paramsObject;
	this.callFlash("SetPostParams", [paramsObject]);
};

SWFUpload.prototype.addPostParam = function (name, value) {
	this.settings.post_params[name] = value;
	this.callFlash("SetPostParams", [this.settings.post_params]);
};

SWFUpload.prototype.removePostParam = function (name) {
	delete this.settings.post_params[name];
	this.callFlash("SetPostParams", [this.settings.post_params]);
};

SWFUpload.prototype.setFileTypes = function (types, description) {
	this.settings.file_types = types;
	this.settings.file_types_description = description;
	this.callFlash("SetFileTypes", [types, description]);
};

SWFUpload.prototype.setFileSizeLimit = function (fileSizeLimit) {
	this.settings.file_size_limit = fileSizeLimit;
	this.callFlash("SetFileSizeLimit", [fileSizeLimit]);
};

SWFUpload.prototype.setFileUploadLimit = function (fileUploadLimit) {
	this.settings.file_upload_limit = fileUploadLimit;
	this.callFlash("SetFileUploadLimit", [fileUploadLimit]);
};

SWFUpload.prototype.setFileQueueLimit = function (fileQueueLimit) {
	this.settings.file_queue_limit = fileQueueLimit;
	this.callFlash("SetFileQueueLimit", [fileQueueLimit]);
};

SWFUpload.prototype.setFilePostName = function (filePostName) {
	this.settings.file_post_name = filePostName;
	this.callFlash("SetFilePostName", [filePostName]);
};

SWFUpload.prototype.setUseQueryString = function (useQueryString) {
	this.settings.use_query_string = useQueryString;
	this.callFlash("SetUseQueryString", [useQueryString]);
};

SWFUpload.prototype.setRequeueOnError = function (requeueOnError) {
	this.settings.requeue_on_error = requeueOnError;
	this.callFlash("SetRequeueOnError", [requeueOnError]);
};

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]);
};

SWFUpload.prototype.setAssumeSuccessTimeout = function (timeout_seconds) {
	this.settings.assume_success_timeout = timeout_seconds;
	this.callFlash("SetAssumeSuccessTimeout", [timeout_seconds]);
};

SWFUpload.prototype.setDebugEnabled = function (debugEnabled) {
	this.settings.debug_enabled = debugEnabled;
	this.callFlash("SetDebugEnabled", [debugEnabled]);
};

SWFUpload.prototype.setButtonImageURL = function (buttonImageURL) {
	if (buttonImageURL == undefined) {
		buttonImageURL = "";
	}

	this.settings.button_image_url = buttonImageURL;
	this.callFlash("SetButtonImageURL", [buttonImageURL]);
};

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]);
};
SWFUpload.prototype.setButtonText = function (html) {
	this.settings.button_text = html;
	this.callFlash("SetButtonText", [html]);
};
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]);
};

SWFUpload.prototype.setButtonTextStyle = function (css) {
	this.settings.button_text_style = css;
	this.callFlash("SetButtonTextStyle", [css]);
};
SWFUpload.prototype.setButtonDisabled = function (isDisabled) {
	this.settings.button_disabled = isDisabled;
	this.callFlash("SetButtonDisabled", [isDisabled]);
};
SWFUpload.prototype.setButtonAction = function (buttonAction) {
	this.settings.button_action = buttonAction;
	this.callFlash("SetButtonAction", [buttonAction]);
};

SWFUpload.prototype.setButtonCursor = function (cursor) {
	this.settings.button_cursor = cursor;
	this.callFlash("SetButtonCursor", [cursor]);
};


SWFUpload.prototype.queueEvent = function (handlerName, argumentArray) {
	var self = this;

	if (argumentArray == undefined) {
		argumentArray = [];
	} else if (!(argumentArray instanceof Array)) {
		argumentArray = [argumentArray];
	}

	if (typeof this.settings[handlerName] === "function") {
		this.eventQueue.push(function () {
			this.settings[handlerName].apply(this, argumentArray);
		});

		setTimeout(function () {
			self.executeNextEvent();
		}, 0);

	} else if (this.settings[handlerName] !== null) {
		throw "Event handler " + handlerName + " is unknown or is not a function";
	}
};

SWFUpload.prototype.executeNextEvent = function () {

	var  f = this.eventQueue ? this.eventQueue.shift() : null;
	if (typeof(f) === "function") {
		f.apply(this);
	}
};

SWFUpload.prototype.unescapeFilePostParams = function (file) {
	var reg = /[$]([0-9a-f]{4})/i, unescapedPost = {}, uk, k, match;

	if (file != undefined) {
		for (k in file.post) {
			if (file.post.hasOwnProperty(k)) {
				uk = k;
				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.swfuploadPreload = function () {
	var returnValue;
	if (typeof this.settings.swfupload_preload_handler === "function") {
		returnValue = this.settings.swfupload_preload_handler.call(this);
	} else if (this.settings.swfupload_preload_handler != undefined) {
		throw "upload_start_handler must be a function";
	}

	if (returnValue === undefined) {
		returnValue = true;
	}

	return !!returnValue;
};

SWFUpload.prototype.flashReady = function () {
	var movieElement = 	this.cleanUp();

	if (!movieElement) {
		this.debug("Flash called back ready but the flash movie can't be found.");
		return;
	}

	this.queueEvent("swfupload_loaded_handler");
};

SWFUpload.prototype.cleanUp = function () {
	var key, movieElement = this.getMovieElement();

	try {
		if (movieElement && typeof(movieElement.CallFunction) === "unknown") { // We only want to do this in IE
			this.debug("Removing Flash functions hooks (this should only run in IE and should prevent memory leaks)");
			for (key in movieElement) {
				try {
					if (typeof(movieElement[key]) === "function") {
						movieElement[key] = null;
					}
				} catch (ex) {
				}
			}
		}
	} catch (ex1) {

	}

	window["__flash__removeCallback"] = function (instance, name) {
		try {
			if (instance) {
				instance[name] = null;
			}
		} catch (flashEx) {

		}
	};

	return movieElement;
};

SWFUpload.prototype.mouseClick = function () {
	this.queueEvent("mouse_click_handler");
};
SWFUpload.prototype.mouseOver = function () {
	this.queueEvent("mouse_over_handler");
};
SWFUpload.prototype.mouseOut = function () {
	this.queueEvent("mouse_out_handler");
};

SWFUpload.prototype.fileDialogStart = function () {
	this.queueEvent("file_dialog_start_handler");
};


SWFUpload.prototype.fileQueued = function (file) {
	file = this.unescapeFilePostParams(file);
	this.queueEvent("file_queued_handler", file);
};


SWFUpload.prototype.fileQueueError = function (file, errorCode, message) {
	file = this.unescapeFilePostParams(file);
	this.queueEvent("file_queue_error_handler", [file, errorCode, message]);
};

SWFUpload.prototype.fileDialogComplete = function (numFilesSelected, numFilesQueued, numFilesInQueue) {
	this.queueEvent("file_dialog_complete_handler", [numFilesSelected, numFilesQueued, numFilesInQueue]);
};

SWFUpload.prototype.uploadResizeStart = function (file, resizeSettings) {
	file = this.unescapeFilePostParams(file);
	this.queueEvent("upload_resize_start_handler", [file, resizeSettings.width, resizeSettings.height, resizeSettings.encoding, resizeSettings.quality]);
};

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";
	}

	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, responseReceived) {
	file = this.unescapeFilePostParams(file);
	this.queueEvent("upload_success_handler", [file, serverData, responseReceived]);
};

SWFUpload.prototype.uploadComplete = function (file) {
	file = this.unescapeFilePostParams(file);
	this.queueEvent("upload_complete_handler", file);
};

SWFUpload.prototype.debug = function (message) {
	this.queueEvent("debug_handler", message);
};



SWFUpload.prototype.debugMessage = function (message) {
	var exceptionMessage, exceptionValues, key;

	if (this.settings.debug) {
		exceptionValues = [];

		if (typeof message === "object" && typeof message.name === "string" && typeof message.message === "string") {
			for (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);
	}
};


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swfobject.addDomLoadEvent(function () {
	if (typeof(SWFUpload.onload) === "function") {
		SWFUpload.onload.call(window);
	}
});