/**
 * Embeds flash player (based on AC_OETags.js)
 * 
 * @param string src Path to .swf file
 * @param object opts Options (eg.):
 *		id - [string] DOM identifier of Flash object
 *		flashvars - [string/array] value passed to FlashVars (array will be converted to string as urlencoded string)
 *		version - [string] minimal Flash Player version in format MAJOR.MINOR.RELEASE
 * 		noflashmsg - message shown if there is no flash. You can use variables $version and $installurl
 * 		noflashvermsg - message shown if there is flash but not required version. You can use variables $version and $installurl
 *		width - [string] width of flash (default 100%)
 *		height - [string] height of flash (default 100%)
 */
function swfembed(src,opts) {
	// provider opts defaults
	if (typeof(opts)=="undefined")
		opts = {};
	opts.src = src;
	se_setpropdef(opts,"id","swfembed");
	se_setpropdef(opts,"version","6.0.65");
	se_setpropdef(opts,"flashvars","");
	se_setpropdef(opts,"width","100%");
	se_setpropdef(opts,"height","100%");
	se_setpropdef(opts,"align","middle");
	se_setpropdef(opts,"bgcolor","#869ca7");
	se_setpropdef(opts,"quality","high");
	se_setpropdef(opts,"allowScriptAccess","sameDomain");
	se_setpropdef(opts,"noflashmsg","This content requires the <a href='$installurl'>Adobe Flash Player</a> version $version.");
	
	if (opts.src.substring(opts.src.length-4)==".swf")
		opts.src = opts.src.substring(0,opts.src.length-4);
	opts.flashvars = se_flashvars(opts.flashvars);
	opts.name = opts.id;
	opts.type = "application/x-shockwave-flash";
	opts.pluginspage = "http://www.adobe.com/go/getflashplayer";
	
	var versionNumbers = opts.version.toString().split(".",3);
	var requiredMajorVersion = versionNumbers[0];
	var requiredMinorVersion = versionNumbers.length>1?versionNumbers[1]:0;
	var requiredRevision = versionNumbers.length>2?versionNumbers[2]:0;
	
	// Below is code taken from .html generated by Flex Builder
	
	// Version check for the Flash Player that has the ability to start Player Product Install (6.0r65)
	var hasProductInstall = DetectFlashVer(6, 0, 65);
	
	// Version check based upon the values defined in globals
	var hasRequestedVersion = DetectFlashVer(requiredMajorVersion, requiredMinorVersion, requiredRevision);
	
	if ( hasProductInstall && !hasRequestedVersion ) {
		document.write(se_altcontent(opts,"noflashvermsg",opts.noflashmsg));
	} else if (hasRequestedVersion) {
		// if we've detected an acceptable version
		// embed the Flash Content SWF when all tests are passed
		AC_FL_RunContent.apply( AC_FL_RunContent, se_obj2arr(opts) );
	} else {  // flash is too old or we can't detect the plugin
		document.write(se_altcontent(opts,"noflashmsg"));
	}
}

function se_getprop(obj,property,def) {
	return typeof(obj[property])=="undefined"?def:obj[property];
}

function se_setpropdef(obj,property,def) {
	if (typeof(obj[property])=="undefined")
		obj[property] = def;
}
function se_obj2arr(obj) {
	var a = [];
	for(prop in obj) {
		a.push(prop);
		a.push(obj[prop]);
	}
	return a;
}

function se_flashvars(v) {
	if (typeof(v)=="object") {
		var v2 = "";
		for(prop in v) {
			if (v2.length>0)
				v2 += "&";
			v2 += encodeURIComponent(prop)+"="+encodeURIComponent(v[prop]);
		}
		v = v2;
	}
	return v;
}
function se_altcontent(opts,prop,def) {
	var alternateContent = se_getprop(opts,prop,def);
	alternateContent = alternateContent.replace(/\$version/g,opts.version);
	alternateContent = alternateContent.replace(/\$installurl/g,opts.pluginspage);
	return alternateContent;
}


function AC_Generateobj2(objAttrs, params, embedAttrs) {
	var isObject = isIE && isWin && !isOpera;
	var attrs = isObject?objAttrs:embedAttrs;

	// check for id
	if (typeof(attrs.id)=="undefined") {
		return false;
	}
	var target = document.getElementById?document.getElementById(attrs.id):document.all[attrs.id];
	if (target===null || typeof(target)=="undefined") {
		return false;
	}
	
	if (isObject) {
		// element
  		var str = '<object ';
  		for (var i in objAttrs)
  			str += i + '="' + objAttrs[i] + '" ';
  		str += '>';
  		// params
  		for (var i in params) {
  			str += '<param name="' + i + '" value="' + params[i] + '" /> ';
  		}
  		str += '</object>';
		// replace target with new element
		target.outerHTML = str;
	} else {
		// element
		var e = document.createElement("embed");
		// set attributes
		for (var i in attrs) {
			e.setAttribute(i,attrs[i]);
		}
		// replace target with new element
		target.parentNode.replaceChild(e,target);
	}
	
	return true;
} 

///////////////////////////////////////////////////////////
//
// below is (almost unmodified) content of standard AC_OETags.js from Adobe
//
///////////////////////////////////////////////////////////

// Flash Player Version Detection - Rev 1.6
// Detect Client Browser type
// Copyright(c) 2005-2006 Adobe Macromedia Software, LLC. All rights reserved.
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];
			var versionRevision = descArray[3];
			if (versionRevision == "") {
				versionRevision = descArray[4];
			}
			if (versionRevision[0] == "d") {
				versionRevision = versionRevision.substring(1);
			} else if (versionRevision[0] == "r") {
				versionRevision = versionRevision.substring(1);
				if (versionRevision.indexOf("d") > 0) {
					versionRevision = versionRevision.substring(0, versionRevision.indexOf("d"));
				}
			}
			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] + '" ';
  		str += '>';
  		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"
    );
  if (!AC_Generateobj2(ret.objAttrs, ret.params, ret.embedAttrs))
  	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":
        ret.objAttrs[args[i]] = args[i+1];
        break;
      case "id":
      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;
}