/**
* Flash (http://jquery.lukelutman.com/plugins/flash)
* A jQuery plugin for embedding Flash movies.
*
* Version 1.0
* November 9th, 2006
*
* Copyright (c) 2006 Luke Lutman (http://www.lukelutman.com)
* Dual licensed under the MIT and GPL licenses.
* http://www.opensource.org/licenses/mit-license.php
* http://www.opensource.org/licenses/gpl-license.php
*
* Inspired by:
* SWFObject (http://blog.deconcept.com/swfobject/)
* UFO (http://www.bobbyvandersluis.com/ufo/)
* sIFR (http://www.mikeindustries.com/sifr/)
*
* IMPORTANT:
* The packed version of jQuery breaks ActiveX control
* activation in Internet Explorer. Use JSMin to minifiy
* jQuery (see: http://jquery.lukelutman.com/plugins/flash#activex).
*
**/
;(function(){

var $$;

/**
*
* @desc Replace matching elements with a flash movie.
* @author Luke Lutman
* @version 1.0.1
*
* @name flash
* @param Hash htmlOptions Options for the embed/object tag.
* @param Hash pluginOptions Options for detecting/updating the Flash plugin (optional).
* @param Function replace Custom block called for each matched element if flash is installed (optional).
* @param Function update Custom block called for each matched if flash isn't installed (optional).
* @type jQuery
*
* @cat plugins/flash
*
* @example $('#hello').flash({ src: 'hello.swf' });
* @desc Embed a Flash movie.
*
* @example $('#hello').flash({ src: 'hello.swf' }, { version: 8 });
* @desc Embed a Flash 8 movie.
*
* @example $('#hello').flash({ src: 'hello.swf' }, { expressInstall: true });
* @desc Embed a Flash movie using Express Install if flash isn't installed.
*
* @example $('#hello').flash({ src: 'hello.swf' }, { update: false });
* @desc Embed a Flash movie, don't show an update message if Flash isn't installed.
*
**/
$$ = jQuery.fn.flash = function(htmlOptions, pluginOptions, replace, update) {

// Set the default block.
var block = replace || $$.replace;

// Merge the default and passed plugin options.
pluginOptions = $$.copy($$.pluginOptions, pluginOptions);

// Detect Flash.
if(!$$.hasFlash(pluginOptions.version)) {
// Use Express Install (if specified and Flash plugin 6,0,65 or higher is installed).
if(pluginOptions.expressInstall && $$.hasFlash(6,0,65)) {
// Add the necessary flashvars (merged later).
var expressInstallOptions = {
flashvars: {
MMredirectURL: location,
MMplayerType: 'PlugIn',
MMdoctitle: jQuery('title').text()
}
};
// Ask the user to update (if specified).
} else if (pluginOptions.update) {
// Change the block to insert the update message instead of the flash movie.
block = update || $$.update;
// Fail
} else {
// The required version of flash isn't installed.
// Express Install is turned off, or flash 6,0,65 isn't installed.
// Update is turned off.
// Return without doing anything.
return this;
}
}

// Merge the default, express install and passed html options.
htmlOptions = $$.copy($$.htmlOptions, expressInstallOptions, htmlOptions);

// Invoke $block (with a copy of the merged html options) for each element.
return this.each(function(){
block.call(this, $$.copy(htmlOptions));
});

};
/**
*
* @name flash.copy
* @desc Copy an arbitrary number of objects into a new object.
* @type Object
*
* @example $$.copy({ foo: 1 }, { bar: 2 });
* @result { foo: 1, bar: 2 };
*
**/
$$.copy = function() {
var options = {}, flashvars = {};
for(var i = 0; i < arguments.length; i++) {
			 var arg = arguments[i];
			 if(arg == undefined) continue;
			 jQuery.extend(options, arg);
			 // don't clobber one flash vars object with another
			 // merge them instead
			 if(arg.flashvars == undefined) continue;
			 jQuery.extend(flashvars, arg.flashvars);
			 }
			 options.flashvars = flashvars;
			 return options;
			 };
			 /*
			 * @name flash.hasFlash
			 * @desc Check if a specific version of the Flash plugin is installed
			 * @type Boolean
			 *
			 **/
			 $$.hasFlash = function() {
			 // look for a flag in the query string to bypass flash detection
			 if(/hasFlash\=true/.test(location)) return true;
			 if(/hasFlash\=false/.test(location)) return false;
			 var pv = $$.hasFlash.playerVersion().match(/\d+/g);
			 var rv = String([arguments[0], arguments[1], arguments[2]]).match(/\d+/g) || String($$.pluginOptions.version).match(/\d+/g);
			 for(var i = 0; i < 3; i++) {
						  pv[i] = parseInt(pv[i] || 0);
						  rv[i] = parseInt(rv[i] || 0);
						  // player is less than required
						  if(pv[i] < rv[i]) return false;
								 // player is greater than required
								 if(pv[i] > rv[i]) return true;
							  }
							  // major version, minor version and revision match exactly
							  return true;
							  };
							  /**
							  *
							  * @name flash.hasFlash.playerVersion
							  * @desc Get the version of the installed Flash plugin.
							  * @type String
							  *
							  **/
							  $$.hasFlash.playerVersion = function() {
							  // ie
							  try {
							  try {
							  // avoid fp6 minor version lookup issues
							  // see: http://blog.deconcept.com/2006/01/11/getvariable-setvariable-crash-internet-explorer-flash-6/
							  var axo = new ActiveXObject('ShockwaveFlash.ShockwaveFlash.6');
							  try { axo.AllowScriptAccess = 'always';	}
							  catch(e) { return '6,0,0'; }
							  } catch(e) {}
							  return new ActiveXObject('ShockwaveFlash.ShockwaveFlash').GetVariable('$version').replace(/\D+/g, ',').match(/^,?(.+),?$/)[1];
							  // other browsers
							  } catch(e) {
							  try {
							  if(navigator.mimeTypes["application/x-shockwave-flash"].enabledPlugin){
							  return (navigator.plugins["Shockwave Flash 2.0"] || navigator.plugins["Shockwave Flash"]).description.replace(/\D+/g, ",").match(/^,?(.+),?$/)[1];
							  }
							  } catch(e) {}
							  }
							  return '0,0,0';
							  };
							  /**
							  *
							  * @name flash.htmlOptions
							  * @desc The default set of options for the object or embed tag.
							  *
							  **/
							  $$.htmlOptions = {
							  height: 240,
							  flashvars: {},
							  pluginspage: 'http://www.adobe.com/go/getflashplayer',
							  src: '#',
							  type: 'application/x-shockwave-flash',
							  width: 320
							  };
							  /**
							  *
							  * @name flash.pluginOptions
							  * @desc The default set of options for checking/updating the flash Plugin.
							  *
							  **/
							  $$.pluginOptions = {
							  expressInstall: false,
							  update: true,
							  version: '6.0.65'
							  };
							  /**
							  *
							  * @name flash.replace
							  * @desc The default method for replacing an element with a Flash movie.
							  *
							  **/
							  $$.replace = function(htmlOptions) {
							  this.innerHTML = '<div class="alt">'+this.innerHTML+'</div>';
							  jQuery(this)
							  .addClass('flash-replaced')
							  .prepend($$.transform(htmlOptions));
							  };
							  /**
							  *
							  * @name flash.update
							  * @desc The default method for replacing an element with an update message.
							  *
							  **/
							  $$.update = function(htmlOptions) {
							  var url = String(location).split('?');
							  url.splice(1,0,'?hasFlash=true&');
							  url = url.join('');
							  var msg = '<p>This content requires the Flash Player. <a href="http://www.adobe.com/go/getflashplayer">Download Flash Player</a>. Already have Flash Player? <a href="'+url+'">Click here.</a></p>';
							  this.innerHTML = '<span class="alt">'+this.innerHTML+'</span>';
							  jQuery(this)
							  .addClass('flash-update')
							  .prepend(msg);
							  };
							  /**
							  *
							  * @desc Convert a hash of html options to a string of attributes, using Function.apply().
							  * @example toAttributeString.apply(htmlOptions)
							  * @result foo="bar" foo="bar"
							  *
							  **/
							  function toAttributeString() {
							  var s = '';
							  for(var key in this)
							  if(typeof this[key] != 'function')
							  s += key+'="'+this[key]+'" ';
							  return s;
							  };
							  /**
							  *
							  * @desc Convert a hash of flashvars to a url-encoded string, using Function.apply().
							  * @example toFlashvarsString.apply(flashvarsObject)
							  * @result foo=bar&foo=bar
							  *
							  **/
							  function toFlashvarsString() {
							  var s = '';
							  for(var key in this)
							  if(typeof this[key] != 'function')
							  s += key+'='+encodeURIComponent(this[key])+'&';
							  return s.replace(/&$/, '');
							  };
							  /**
							  *
							  * @name flash.transform
							  * @desc Transform a set of html options into an embed tag.
							  * @type String
							  *
							  * @example $$.transform(htmlOptions)
							  * @result <embed src="foo.swf" ... />
							  *
							  * Note: The embed tag is NOT standards-compliant, but it
							  * works in all current browsers. flash.transform can be
							  * overwritten with a custom function to generate more
							  * standards-compliant markup.
							  *
							  **/
							  $$.transform = function(htmlOptions) {
							  htmlOptions.toString = toAttributeString;
							  if(htmlOptions.flashvars) htmlOptions.flashvars.toString = toFlashvarsString;
							  return '<embed ' + String(htmlOptions) + '/>';
							  };
							  
							  /**
							  *
							  * Flash Player 9 Fix (http://blog.deconcept.com/2006/07/28/swfobject-143-released/)
							  *
							  **/
							  if (window.attachEvent) {
							  window.attachEvent("onbeforeunload", function(){
							  __flash_unloadHandler = function() {};
							  __flash_savedUnloadHandler = function() {};
							  });
							  }
							  
})();