/* Function: detectFlash
 * Description: returns true if minFlashVersion or greater is detected.
 */
function rfx_detectFlash (minFlashVersion) {
  var flashinstalled = 0;
  var flashversion = 0;
  var x, y;

  if (navigator.plugins && navigator.plugins.length) {
  	x = navigator.plugins["Shockwave Flash"];
  	if (x) {
  		flashinstalled = 2;
  		if (x.description) {
  			y = x.description;
  			flashversion = parseFloat( y.substr( y.indexOf('.') - 2 ) );
  		}
  	} else flashinstalled = 1;
  	if (navigator.plugins["Shockwave Flash 2.0"]) {
  		flashinstalled = 2;
  		flashversion = 2;
  	}
  } else if (navigator.mimeTypes && navigator.mimeTypes.length) {
  	x = navigator.mimeTypes['application/x-shockwave-flash'];
  	if (x && x.enabledPlugin)
  		flashinstalled = 2;
  	else
  		flashinstalled = 1;
  } else {
    flashinstalled = 1;
  	for (var i=12; i>0; i--) {
  		flashversion = 0;
  		try {
  			var flash = new ActiveXObject("ShockwaveFlash.ShockwaveFlash." + i);
  			flashversion = i;
  			flashinstalled = 2;
  			break;
  		} catch(e) {}
  	}
  }
  
	return (flashinstalled == 2 && flashversion >= minFlashVersion);
}

// Override the default random number generator to fix Safari 3 bug.
Math.random = function() {
  if ( typeof(Math.randomSeed) == "undefined" ) Math.randomSeed = (new Date()).getTime();
  var a = 1664525;
  var c = 1013904223;
  var m = 4294967296;
  return (Math.randomSeed = (Math.randomSeed * a + c) % m) / m;
}

// Search for and decode the script tag for load time parameters
function rfx_decodeScript (scriptName) {
  // Search for the script element match specified script file name
  var scriptElements = document.getElementsByTagName("script");
  var scriptSrc = undefined;
  var scripTagsObjects = new Array();
  for ( var scriptID = 0; scriptID < scriptElements.length; scriptID++ ) {
    if ( scriptElements[scriptID].src.toLowerCase().indexOf( scriptName.toLowerCase() ) != -1 ) {
      scriptSrc = scriptElements[scriptID].src;

      // Separate the document domain and URL path from the query parameters
      var scriptVars = scriptSrc.split(scriptName);
      // Add the host name and url path of parent document if none found in script path
      if ( !scriptVars[0] ) {
        var URLPath = document.location.pathname.split("/"); URLPath.pop();
        scriptVars[0] = document.location.protocol + "//" + document.location.host + URLPath.join("/") + "/";
      }
      var hostVars = scriptVars.shift().split("://");
      var queryVars = scriptVars.join(scriptName);
      var host = undefined; var urlPath = undefined;
      
      // Add the host name script path did not contain it
      if ( !hostVars[1] ) {
        host = document.location.host;
        urlPath = hostVars[0];
      } else {
        var hostVarTmp = hostVars[1].split("/");
        host = hostVarTmp.shift();
        urlPath = "/" + hostVarTmp.join("/");
      }
    
      // Parse the query parameters
      var queryVarObj = new Object();
      var queryVarArray = queryVars.substring(1).split("&");
      for ( var i = 0; i < queryVarArray.length; i++ ) {
        var queryVariable = queryVarArray[i].split("=");
        queryVarObj[ queryVariable[0].toLowerCase() ] = unescape( queryVariable[1] );
      }
      
      // Add the parent document's query parameters to list
      queryVarArray = document.location.search.substring(1).split("&");
      for ( var i = 0; i < queryVarArray.length; i++ ) {
        var queryVariable = queryVarArray[i].split("=");
        queryVarObj[ queryVariable[0].toLowerCase() ] = unescape( queryVariable[1] );
      }
      
      // Parse for the account name from the host
      var accountVars = host.split(".");
      var account = "";
      if ( accountVars.length > 2 && accountVars[ accountVars.length - 2 ].toLowerCase() == "richfx" )
        account = accountVars[ accountVars.length - 3 ].toLowerCase();
      
      // Parse for the media name from the URL path
      var urlVars = urlPath.split("/");
      var mediaName = "";
      for ( var i = 0; i < urlVars.length; i++ ) {
        if ( urlVars[i] == "media" && urlVars.length > i + 1 ) {
          mediaName = urlVars[i + 1];
          break;
        }
      }
      
      // Set default values
      with ( queryVarObj ) {
        if ( typeof(rfx_imageviewerbase) == "undefined" || !rfx_imageviewerbase ) queryVarObj.rfx_imageviewerbase = "http://" + host + urlPath + "viewers/base/";
        if ( typeof(rfx_mediabase) == "undefined" || !rfx_mediabase ) queryVarObj.rfx_mediabase = "http://" + host + urlPath;
        if ( typeof(rfx_client) == "undefined" || !rfx_client ) queryVarObj.rfx_client = account;
        queryVarObj.rfx_int_default = "anyspot_onelevel";
        queryVarObj.rfx_lang_default = "en";
      }
        
      // Populate the parsed script object
      var scriptParsedObject = new Object();
      scriptParsedObject.search = queryVars;
      scriptParsedObject.host = scriptParsedObject.hostname = host;
      scriptParsedObject.pathname = urlPath;
      scriptParsedObject.href = scriptVars.join(scriptName);
      scriptParsedObject.query = queryVarObj;
      scriptParsedObject.account = account;
      scriptParsedObject.medianame = mediaName;
      
      // Identify client platform
      scriptParsedObject.ua = navigator.userAgent.toLowerCase();
      scriptParsedObject.mac = scriptParsedObject.ua.indexOf('mac') > -1;
      scriptParsedObject.windows = scriptParsedObject.ua.indexOf('windows') > -1;
      // Identify client browser
      scriptParsedObject.opera = scriptParsedObject.ua.indexOf('opera') > -1;
      scriptParsedObject.ie = ( scriptParsedObject.ua.indexOf('msie') > -1 ) && !scriptParsedObject.opera; // Opera can masquerade as IE
      scriptParsedObject.safari = scriptParsedObject.ua.indexOf('safari') > -1;
      
      scriptParsedObject.refid = scripTagsObjects.length;
      
      scripTagsObjects.push(scriptParsedObject);
    }
  }
  if ( !scripTagsObjects.length ) return;
  var returnObject = scripTagsObjects[0];
  returnObject.items = scripTagsObjects;

  return returnObject;
}

// Check for a boolean true from a query param
function rfx_queryCheckBool( value ) {
  var v = value;
  if ( v == undefined ) return false;
  v = v.toLowerCase();
  if ( v == "1" || v == "true" || v == "on" ) 
    return true;
  else
    return false;
}

//=========================================
//== FOR ActiveX Browswers 
function routeDoFSCommand(command, args, flashObjectName) {
  if ( typeof(flashObjectName) == "undefined" ) flashObjectName = "rfxmain";
  if ( command == "call_alert" ) {
    try { eval(args); } catch(e) {}
  } else {
    rfx_getFlashObject(flashObjectName).callJSFunction(command, args);
  }
}

//=========================================
//== Form the flash embed code
function rfx_getFlashEmbedCode(embedID) {
  if ( typeof(embedID) == "undefined" ) { 
    embedID = 0; elementID = "" 
  } else {
    elementID = embedID;
  }

  if ( rfx_RequestParams.items[embedID].query.rfx_testimage ) {
    var bgColor = rfx_RequestParams.items[embedID].query.rfx_testimage;
    if ( !bgColor ) bgColor = "#FFFFFF";
    var buf = '<object classid="clsid:d27cdb6e-ae6d-11cf-96b8-444553540000" codebase="http://fpdownload.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=7,0,0,0" width="100%" height="100%" id="test" align="middle">';
    buf += '<param name="allowScriptAccess" value="always" />';
    buf += '<param name="movie" value="viewers/base/test/testimage.swf" /><param name="quality" value="high" /><param name="bgcolor" value="' + bgColor + '" /><embed src="viewers/base/test/testimage.swf" quality="high" bgcolor="' + bgColor + '" width="100%" height="100%" name="test" align="middle" allowScriptAccess="always" type="application/x-shockwave-flash" pluginspage="http://www.macromedia.com/go/getflashplayer" />';
    buf += '</object>';
    document.body.innerHTML = buf;
    return false;
  }
  
  var rfx_movieSrc = rfx_RequestParams.items[embedID].query.rfx_imageviewerbase + "loader.swf";
  if ( (elementID + "") != "" )
    var rfx_movieElementID = "rfxmain_" + embedID;
  else
    var rfx_movieElementID = "rfxmain";

  var rfx_fscommand = rfx_RequestParams.items[embedID].query.rfx_fscommand;
  var bfsCommand = false;

  if ( rfx_RequestParams.ie )
    bfsCommand = true;

  if ( typeof(rfx_fscommand) != "undefined" ) {
    if ( rfx_fscommand == "0" )
      bfsCommand = false;
    else ( rfx_fscommand == "1" )
      bfsCommand = false;
  }

  // check if using FSCommand
  if ( bfsCommand ) {
    // setup the FSCommand listener for the flash object
    if ( rfx_RequestParams.ie ) {
      //=============================================================
      //For ActiveX Browsers; IE ===
        rfx_CreateFSListener(rfx_movieElementID);
    } else {
      // for plugin based browsers
      function rfx_tmpDoFSCommand(command, args) { routeDoFSCommand(command, args, rfx_movieElementID); }
      eval ( rfx_movieElementID + '_DoFSCommand = rfx_tmpDoFSCommand' );
    }
  }
  
  var rfx_flashVars = new Array();
  rfx_flashVars.push( "name=" + rfx_movieElementID );
  rfx_flashVars.push( "initCallBack=initCallBack" );
  rfx_flashVars.push( "fs_command=" + (bfsCommand ? 1 : 0) );	//orig: "fs_command=0"
  rfx_flashVars.push( "base=" + rfx_RequestParams.items[embedID].query.rfx_imageviewerbase );
  rfx_flashVars.push( "mediaBase=" + rfx_RequestParams.items[embedID].query.rfx_mediabase );
  rfx_flashVars.push( "sClientName=" + rfx_RequestParams.items[embedID].account );
  rfx_flashVars.push( "sMediaName=" +rfx_RequestParams.items[embedID].medianame );
  rfx_flashVars.push( "integration=" + rfx_RequestParams.items[embedID].query.rfx_int );
  rfx_flashVars.push( "language=" + rfx_RequestParams.items[embedID].query.rfx_lang );
  rfx_flashVars.push( "integration_default=" + rfx_RequestParams.items[embedID].query.rfx_int_default );
  rfx_flashVars.push( "language_default=" + rfx_RequestParams.items[embedID].query.rfx_lang_default );
  rfx_flashVars.push( "ZoomURL=" + rfx_RequestParams.items[embedID].query.rfx_mediabase + "zoom.info" );
  rfx_flashVars.push( "AltURL=" + rfx_RequestParams.items[embedID].query.rfx_mediabase + "FirstFrame.jpg" );
  rfx_flashVars.push( "queryStr" + escape( location.search.substring(1) ) );

  var rfx_buff = "";
  if ( !rfx_RequestParams.items[embedID].safari ) {
    rfx_buff += '<object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#Version=6,0,0,0" id="' + rfx_movieElementID + '">' + '\n';
    rfx_buff += '<param name="allowScriptAccess" value="always">' + '\n';
    rfx_buff += '<param name="wmode" value="opaque">' + '\n';
    rfx_buff += '<param name="salign" value="LT">' + '\n';
    rfx_buff += '<param name="scale" value="noscale">' + '\n';
    rfx_buff += '<param name="bgcolor" value="#FFFFFF">' + '\n';
    rfx_buff += '<param name="movie" value="' + rfx_movieSrc + '">' + '\n';
    rfx_buff += '<param name="flashvars" value="' + rfx_flashVars.join("&amp;") + '">' + '\n';
    rfx_buff += '<param name="menu" value="false">' + '\n';
    rfx_buff += '<param name="quality" value="best">' + '\n';
  }
  rfx_buff += '<embed allowScriptAccess="always" src="' + rfx_movieSrc + '" flashvars="' + rfx_flashVars.join("&amp;") + '" name="' + rfx_movieElementID + '" scale="noscale" bgcolor="FFFFFF" salign="LT" wmode="opaque" menu="false" quality="best" swliveconnect="true" type="application/x-shockwave-flash" pluginspage="http://www.macromedia.com/shockwave/download/index.cgi?P1_Prod_Version=ShockwaveFlash" />' + '\n';
  if ( !rfx_RequestParams.items[embedID].safari ) rfx_buff += '</object>';
  
  return rfx_buff;
}

//=========================================
// Parse script embed params
var rfx_RequestParams = rfx_decodeScript("rfxImageEmbed");
if ( typeof(rfx_RequestParams_itemID) == "undefined" )
  var rfx_RequestParams_itemID = 0;
if ( typeof(rfx_RequestParams_renderID) == "undefined" )
  var rfx_RequestParams_renderID = 0;
else
  rfx_RequestParams_renderID++;

if ( rfx_RequestParams.ie ) { 
  var vbBuff = "";
  vbBuff += '<SCR'+'IPT LANGUAGE="VBScript">' + '\n';
  vbBuff += '<!-- ' + '\n';
  vbBuff += 'Sub rfx_CreateFSListener(ByVal FSName)' + '\n';
  vbBuff += '  ExecuteGlobal("Sub " & FSName & "_FSCommand(ByVal command, ByVal args) " & vbCrLf & "';
  vbBuff += '   call routeDoFSCommand(command, args, """ & FSName & """)" & vbCrLf & "';
  vbBuff += '  end sub")' + '\n';
  vbBuff += 'end sub' + '\n';
  vbBuff += '//-->' + '\n';
  vbBuff += '</SCR'+'IPT>' + '\n';
  document.write(vbBuff);
}

// Load the javascript sync code
document.write('<scr' + 'ipt type="text/javascript" src="' + "http://" + rfx_RequestParams.items[rfx_RequestParams_renderID].host + rfx_RequestParams.items[rfx_RequestParams_renderID].pathname + 'viewers/base/rfxlocalconnection.js"></scr' + 'ipt>');

// Show debug window if specified

if ( typeof(rfx_debugwindow) == "undefined" && rfx_queryCheckBool( rfx_RequestParams.items[rfx_RequestParams_renderID].query.rfx_debug ) ) {
  var rfx_debugwindow = true;
  document.write('<scr' + 'ipt type="text/javascript" src="' + "http://" + rfx_RequestParams.items[rfx_RequestParams_renderID].host + rfx_RequestParams.items[rfx_RequestParams_renderID].pathname + 'viewers/base/script/debug.js"></scr' + 'ipt>');
}
// Load the embed code
document.write('<scr' + 'ipt type="text/javascript" src="' + "http://" + rfx_RequestParams.items[rfx_RequestParams_renderID].host + rfx_RequestParams.items[rfx_RequestParams_renderID].pathname + 'viewers/base/embed.js"></scr' + 'ipt>');