/**
 * 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() {};
 });
}
 
})();