/***********************************************************************************************************************

va4most.js : W3C-Validated HTML5/CSS3 Video|Audio with jQuery FlowPlayer-Video|SoundManager2-Audio|Source-Link Fallback

Version:         1.10
Last Mod Date:   25 May 2010
Author:          Bruce Arnold (bruce@webredesignmiami.com)
Copyright:       2010 (c) Bruce Arnold & WebReDesignMiami.com  
License:         http://creativecommons.org/licenses/by-sa/3.0/us/
Source:          http://www.webredesignmiami.com/va4most/va4most011.zip
Installation:    http://www.webredesignmiami.com/va4most_readme.txt
Template:        http://www.webredesignmiami.com/va4most_min.html
Project Home:    http://www.webredesignmiami.com/va4most/
Project Blog:    http://va4most.posterous.com
jQuery:          http://www.jquery.com
FlowPlayer:      http://www.flowplayer.org 
SoundManager2:   http://www.schillmania.com/projects/soundmanager2

This program is free software: you can redistribute it and/or modify it under the terms of the Creative Commons
Attribution-Share Alike 3.0 United States License.  This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 

************************************************************************************************************************/
// MAKE NO CHANGES ABOVE THIS LINE

var videoPlayer = "./flowplayer-3.1.5.swf";  // set path to *your* FlowPlayer SWF

// MAKE NO CHANGES BELOW THIS LINE
/***********************************************************************************************************************/

function play_audio(audioLinkId,audioUrl){
  var audioTagSupport = !!(document.createElement('audio').canPlayType);
  if ( audioTagSupport ){
    var audioPaused = document.getElementById(audioLinkId + 'tag').paused;
    if ( audioPaused ){
      document.getElementById(audioLinkId + 'tag').play();
    } 
    else{
      document.getElementById(audioLinkId + 'tag').pause();
    }
  }
}

function html5audioinit(audioLinkId,audioUrl) {
  document.getElementById(audioLinkId).onclick = function(){
    play_audio(audioLinkId,audioUrl);
    return false;
  }
}

function html5audio(alink,afile,atyp1,atyp2,aplay,atext,aauto,abuff,aloop,actrl,adest)
{
  var audioLinkId   = alink;  // Any unique ID "X" for which "Xtag" is available
  var audioFileName = afile;  // Path/Filename of audio source files 
  var audioFileExt1 = atyp1;  // File extension of 1st listed audio source file (e.g. "wav")
  var audioFileExt2 = atyp2;  // File extension of 2nd listed audio source file (e.g. "mp3")
  var audioFilePlay = aplay;  // File extension of fallback audio source file (e.g. "mp3")
  var audioFileText = atext;  // Link anchor text (or UTF-8 character codes) or image tag with escaped single quote \' attributes
  var audioAutoPlay = aauto;  // Autoplay (true|false) for HTML5 audio tag
  var audioAutoBuff = abuff;  // Autobuffer (true|false) for HTML5 audio tag
  var audioLoop     = aloop;  // Loop (true|false) for HTML5 audio tag
  var audioControls = actrl;  // Controls (true|false) for HTML5 audio tag 
  var audioReturn   = adest;  // Options: "write" or "return" HTML
  var audioUrl = audioFileName + "." + audioFilePlay;
  var audioTagSupport = !!(document.createElement('audio').canPlayType);
  var audioString   = "";
  if ( audioTagSupport ){
    audioString = audioString + '<a class="inline-exclude" href="#" id="' + audioLinkId + '">' + audioFileText + '</a>\n';
    audioString = audioString + '<audio id="' + audioLinkId +'tag"';
    if ( audioAutoPlay == "true" ){ audioString = audioString + ' autoplay="autoplay"';}
    if ( audioAutoBuff == "true" ){ audioString = audioString + ' autobuffer="autobuffer"';}
    if ( audioLoop == "true"     ){ audioString = audioString + ' loop="loop"';}
    if ( audioControls == "true" ){ audioString = audioString + ' controls="controls"';}
    audioString = audioString + '>\n';
    audioString = audioString + '<source src="' + audioFileName + "." + audioFileExt1 + '"/>\n';
    audioString = audioString + '<source src="' + audioFileName + "." + audioFileExt2 + '"/></audio>\n';
    jQuery(function() {
      html5audioinit(audioLinkId,audioUrl);   
    });
  }
  else{
    var requiredMajorVersion = 9;
    var requiredMinorVersion = 0;
    var requiredRevision = 0;
    var hasReqestedVersion = DetectFlashVer(requiredMajorVersion, requiredMinorVersion, requiredRevision);
    if (hasReqestedVersion) {
      audioString = audioString + '<a class="inline-playable" href="' + audioUrl + '" id="' + audioLinkId + '">' + audioFileText + '</a>\n';
      jQuery(function() {
        html5audioinit(audioLinkId,audioUrl);   
      });
    }
    else{
      audioString = audioString + '<a class="inline-exclude" href="' + audioUrl + '" id="' + audioLinkId + '">' + audioFileText + '</a>\n';
    }
  }
  if ( audioReturn == "return" ){
    return audioString;
  } 
  else {
    document.write(audioString);
  }
}

function html5video(vlink,vfile,vpost,vtyp1,vtyp2,vplay,vcnfg,vauto,vbuff,vloop,vctrl,vwide,vhigh,vdest)
{
  var videoLinkId   = vlink;  // Any unique ID "X" 
  var videoFileName = vfile;  // Path/Filename (no extension) of video source files 
  var videoFilePost = vpost;  // File extension of video poster/splash image (e.g. "jpg")
  var videoFileExt1 = vtyp1;  // File extension of 1st listed video source file (e.g. "ogg")
  var videoFileExt2 = vtyp2;  // File extension of 2nd listed video source file (e.g. "mp4")
  var videoFilePlay = vplay;  // File extension of FlowPlayer video source file (e.g. "mp4")
  var videoFileCnfg = vcnfg;  // File extension of FlowPlayer video config file (e.g. "js")
  var videoAutoPlay = vauto;  // Autoplay (true|false) for HTML5 video tag
  var videoAutoBuff = vbuff;  // Autobuffer (true|false) for HTML5 video tag
  var videoLoop     = vloop;  // Loop (true|false) for HTML5 video tag
  var videoControls = vctrl;  // Controls (true|false) for HTML5 video tag 
  var videoWidth    = vwide;  // Width (pixels) for HTML5 video tag 
  var videoHeight   = vhigh;  // Height (pixels) for HTML5 video tag 
  var videoReturn   = vdest;  // Options: "write" or "return" HTML
  var videoUrl      = videoFileName + "." + videoFilePlay;
  var videoPoster   = videoFileName + "." + videoFilePost;
  var videoFlowCnfg = "config=" + videoFileName + "." + videoFileCnfg;
  var videoTagSupport = !!(document.createElement('video').canPlayType);
  var videoString   = "";
  var userAgent = navigator.userAgent.toString().toLowerCase();
  var is_chrome = false;
  if (userAgent.indexOf('chrome')  > -1 ){
    is_chrome = true;
  }
  var is_safari = false;
  if ((userAgent.indexOf('safari') > -1) && !(userAgent.indexOf('chrome') > -1)) {
    is_safari = true;
  }
  if ( (videoTagSupport) && (! is_chrome) && (! is_safari) ){
    videoString = videoString + '<video id="' + videoLinkId + '" poster="' + videoPoster + '"';
    videoString = videoString + ' width="' + videoWidth + '" height="' + videoHeight + '"';
    if ( videoAutoPlay == "true" ){ videoString = videoString + ' autoplay="autoplay"';}
    if ( videoAutoBuff == "true" ){ videoString = videoString + ' autobuffer="autobuffer"';}
    if ( videoLoop == "true"     ){ videoString = videoString + ' loop="loop"';}
    if ( videoControls == "true" ){ videoString = videoString + ' controls="controls"';}
    videoString = videoString + '>\n';
    videoString = videoString + '<source src="' + videoFileName + "." + videoFileExt1 + '"/>\n';
    videoString = videoString + '<source src="' + videoFileName + "." + videoFileExt2 + '"/></video>\n';
  }
  else{
    var requiredMajorVersion = 9;
    var requiredMinorVersion = 0;
    var requiredRevision = 0;
    var hasReqestedVersion = DetectFlashVer(requiredMajorVersion, requiredMinorVersion, requiredRevision);
    if (hasReqestedVersion && (! is_safari ) ) {
	//************************************************
	//
      // videoHeightFp = parseInt(videoHeight) + 24 ;
	//
	// *** Removed FlowPlayerControls Compensation ***
	//
 	videoHeightFp = parseInt(videoHeight) + 0 ;     
	//
	//************************************************
      videoString = videoString + '<object id="' + videoLinkId +'" type="application/x-shockwave-flash" width="' + videoWidth + '" height="' + videoHeightFp +'">\n';
      videoString = videoString + '<param name="allowfullscreen" value="false"/>\n';
      videoString = videoString + '<param name="flashvars" value="' + videoFlowCnfg + '"/>\n';
      videoString = videoString + '<param name="movie" value="' + videoPlayer +'"/>\n';
      videoString = videoString + '<a rel="external" title="Click to download video!" href="' + videoUrl + '">';
      videoString = videoString + '<img src="' + videoPoster + '" width="' + videoWidth + '" height="' + videoHeight + '"alt="Click to download video!"/></a>\n';
      videoString = videoString + '</object>\n';
    }
    else{
      videoString = videoString + '<a rel="external" title="Click to download video!" href="' + videoUrl + '">';
      videoString = videoString + '<img src="' + videoPoster + '" width="' + videoWidth + '" height="' + videoHeight + '"alt="Click to download video!"/></a>\n';
    }
  }
  if ( videoReturn == "return" ){
    return videoString;
  } 
  else {
    document.write(videoString);
  }
}

jQuery(window).unload(function() {
  jQuery(audio).empty();
  jQuery(video).empty();
});

/***********************************************************************************************************************/
// Flash Player Version Detection - Rev 1.5
// Detect Client Browser type
// Copyright(c) 2005-2006 Adobe Macromedia Software, LLC. All rights reserved.
// Credit: http://www.adobe.com/products/flashplayer/download/detection_kit/
var isIE  = (navigator.appVersion.indexOf("MSIE") != -1) ? true : false;
var isWin = (navigator.appVersion.toLowerCase().indexOf("win") != -1) ? true : false;
var isOpera = (navigator.userAgent.indexOf("Opera") != -1) ? true : false;

function ControlVersion()
{
	var version;
	var axo;
	var e;

	// NOTE : new ActiveXObject(strFoo) throws an exception if strFoo isn't in the registry

	try {
		// version will be set for 7.X or greater players
		axo = new ActiveXObject("ShockwaveFlash.ShockwaveFlash.7");
		version = axo.GetVariable("$version");
	} catch (e) {
	}

	if (!version)
	{
		try {
			// version will be set for 6.X players only
			axo = new ActiveXObject("ShockwaveFlash.ShockwaveFlash.6");
			
			// installed player is some revision of 6.0
			// GetVariable("$version") crashes for versions 6.0.22 through 6.0.29,
			// so we have to be careful. 
			
			// default to the first public version
			version = "WIN 6,0,21,0";

			// throws if AllowScripAccess does not exist (introduced in 6.0r47)		
			axo.AllowScriptAccess = "always";

			// safe to call for 6.0r47 or greater
			version = axo.GetVariable("$version");

		} catch (e) {
		}
	}

	if (!version)
	{
		try {
			// version will be set for 4.X or 5.X player
			axo = new ActiveXObject("ShockwaveFlash.ShockwaveFlash.3");
			version = axo.GetVariable("$version");
		} catch (e) {
		}
	}

	if (!version)
	{
		try {
			// version will be set for 3.X player
			axo = new ActiveXObject("ShockwaveFlash.ShockwaveFlash.3");
			version = "WIN 3,0,18,0";
		} catch (e) {
		}
	}

	if (!version)
	{
		try {
			// version will be set for 2.X player
			axo = new ActiveXObject("ShockwaveFlash.ShockwaveFlash");
			version = "WIN 2,0,0,11";
		} catch (e) {
			version = -1;
		}
	}
	
	return version;
}

// JavaScript helper required to detect Flash Player PlugIn version information
function GetSwfVer(){
	// NS/Opera version >= 3 check for Flash plugin in plugin array
	var flashVer = -1;
	
	if (navigator.plugins != null && navigator.plugins.length > 0) {
		if (navigator.plugins["Shockwave Flash 2.0"] || navigator.plugins["Shockwave Flash"]) {
			var swVer2 = navigator.plugins["Shockwave Flash 2.0"] ? " 2.0" : "";
			var flashDescription = navigator.plugins["Shockwave Flash" + swVer2].description;			
			var descArray = flashDescription.split(" ");
			var tempArrayMajor = descArray[2].split(".");
			var versionMajor = tempArrayMajor[0];
			var versionMinor = tempArrayMajor[1];
			if ( descArray[3] != "" ) {
				tempArrayMinor = descArray[3].split("r");
			} else {
				tempArrayMinor = descArray[4].split("r");
			}
			var versionRevision = tempArrayMinor[1] > 0 ? tempArrayMinor[1] : 0;
			var flashVer = versionMajor + "." + versionMinor + "." + versionRevision;
		}
	}
	// MSN/WebTV 2.6 supports Flash 4
	else if (navigator.userAgent.toLowerCase().indexOf("webtv/2.6") != -1) flashVer = 4;
	// WebTV 2.5 supports Flash 3
	else if (navigator.userAgent.toLowerCase().indexOf("webtv/2.5") != -1) flashVer = 3;
	// older WebTV supports Flash 2
	else if (navigator.userAgent.toLowerCase().indexOf("webtv") != -1) flashVer = 2;
	else if ( isIE && isWin && !isOpera ) {
		flashVer = ControlVersion();
	}	
	return flashVer;
}

// When called with reqMajorVer, reqMinorVer, reqRevision returns true if that version or greater is available
function DetectFlashVer(reqMajorVer, reqMinorVer, reqRevision)
{
	versionStr = GetSwfVer();
	if (versionStr == -1 ) {
		return false;
	} else if (versionStr != 0) {
		if(isIE && isWin && !isOpera) {
			// Given "WIN 2,0,0,11"
			tempArray         = versionStr.split(" "); 	// ["WIN", "2,0,0,11"]
			tempString        = tempArray[1];			// "2,0,0,11"
			versionArray      = tempString.split(",");	// ['2', '0', '0', '11']
		} else {
			versionArray      = versionStr.split(".");
		}
		var versionMajor      = versionArray[0];
		var versionMinor      = versionArray[1];
		var versionRevision   = versionArray[2];

        	// is the major.revision >= requested major.revision AND the minor version >= requested minor
		if (versionMajor > parseFloat(reqMajorVer)) {
			return true;
		} else if (versionMajor == parseFloat(reqMajorVer)) {
			if (versionMinor > parseFloat(reqMinorVer))
				return true;
			else if (versionMinor == parseFloat(reqMinorVer)) {
				if (versionRevision >= parseFloat(reqRevision))
					return true;
			}
		}
		return false;
	}
}

function AC_AddExtension(src, ext)
{
  if (src.indexOf('?') != -1)
    return src.replace(/\?/, ext+'?'); 
  else
    return src + ext;
}

function AC_Generateobj(objAttrs, params, embedAttrs) 
{ 
    var str = '';
    if (isIE && isWin && !isOpera)
    {
  		str += '<object ';
  		for (var i in objAttrs)
  			str += i + '="' + objAttrs[i] + '" ';
  		for (var i in params)
 			str += '><param name="' + i + '" value="' + params[i] + '" /> ';
  		str += '></object>';
    } else {
  		str += '<embed ';
  		for (var i in embedAttrs)
  			str += i + '="' + embedAttrs[i] + '" ';
  		str += '> </embed>';
    }
    document.write(str);

 }

function AC_FL_RunContent(){
  var ret = 
    AC_GetArgs
    (  arguments, ".swf", "movie", "clsid:d27cdb6e-ae6d-11cf-96b8-444553540000"
     , "application/x-shockwave-flash"
    );
  AC_Generateobj(ret.objAttrs, ret.params, ret.embedAttrs);
}

function AC_GetArgs(args, ext, srcParamName, classid, mimeType){
  var ret = new Object();
  ret.embedAttrs = new Object();
  ret.params = new Object();
  ret.objAttrs = new Object();
  for (var i=0; i < args.length; i=i+2){
    var currArg = args[i].toLowerCase();    

    switch (currArg){	
      case "classid":
        break;
      case "pluginspage":
        ret.embedAttrs[args[i]] = args[i+1];
        break;
      case "src":
      case "movie":	
        args[i+1] = AC_AddExtension(args[i+1], ext);
        ret.embedAttrs["src"] = args[i+1];
        ret.params[srcParamName] = args[i+1];
        break;
      case "onafterupdate":
      case "onbeforeupdate":
      case "onblur":
      case "oncellchange":
      case "onclick":
      case "ondblClick":
      case "ondrag":
      case "ondragend":
      case "ondragenter":
      case "ondragleave":
      case "ondragover":
      case "ondrop":
      case "onfinish":
      case "onfocus":
      case "onhelp":
      case "onmousedown":
      case "onmouseup":
      case "onmouseover":
      case "onmousemove":
      case "onmouseout":
      case "onkeypress":
      case "onkeydown":
      case "onkeyup":
      case "onload":
      case "onlosecapture":
      case "onpropertychange":
      case "onreadystatechange":
      case "onrowsdelete":
      case "onrowenter":
      case "onrowexit":
      case "onrowsinserted":
      case "onstart":
      case "onscroll":
      case "onbeforeeditfocus":
      case "onactivate":
      case "onbeforedeactivate":
      case "ondeactivate":
      case "type":
      case "codebase":
      case "id":
        ret.objAttrs[args[i]] = args[i+1];
        break;
      case "width":
      case "height":
      case "align":
      case "vspace": 
      case "hspace":
      case "class":
      case "title":
      case "accesskey":
      case "name":
      case "tabindex":
        ret.embedAttrs[args[i]] = ret.objAttrs[args[i]] = args[i+1];
        break;
      default:
        ret.embedAttrs[args[i]] = ret.params[args[i]] = args[i+1];
    }
  }
  ret.objAttrs["classid"] = classid;
  if (mimeType) ret.embedAttrs["type"] = mimeType;
  return ret;
}

/***********************************************************************************************************************/