/**
 * MediaObject: factory for either windows media player or quicktime player embedding
 *
 * MediaObject is made by Marc Worrell with sample code from Apple:
 * http://developer.apple.com/internet/webcontent/examples/detectplugins_source.html
 * 
 * $Id: mediaobjectfactory.js 45176 2009-12-23 12:17:07Z arjan $
 */

/*  */

// initialize global variables
var detectableWithVB = false;
var didWriteVBScript = false;

function mediaObjectFactory() 
{
	if (mediaObjectFactory.caller != mediaObjectFactory.createObject) 
	{
		throw new Error("There is no public constructor for mediaObjectFactory.");
	}
}

mediaObjectFactory.createObject = function (file, id, w, h, mime, type)
{
	type = type || 'video';

	this.createVBScriptTester();

	var has_wmp    = this.detectWindowsMedia();
	var has_qt     = this.detectQuickTime();
	var has_flash  = this.detectFlash();
	var is_windows = navigator.userAgent.indexOf('Windows') > 0;
	
	// Prefer QT unless we run into problems with some mime types that QT does not understand
	if(this.playWithFlash(mime) && has_flash)
	{
	    var qo = new SWFObject("/image/player.swf", id, w, h);
	    qo.addParam("flashvars", "file="+file+"&type="+type);
	    
	    return qo;
	}
	
	if(this.playWithQT(mime) && has_qt)
	{
	    return new QTObject(file, id, w, h);
	}
	else if(has_wmp || is_windows)
	{
	    return new winObject(file, id, w, h, mime);
	}
	else if(has_qt)
	{
	    return new QTObject(file, id, w, h);
	}
	else
	{
	    // No media player found - should include a dummy object that writes an error message
	    return null;
	}
}

mediaObjectFactory.playWithFlash = function ( mime )
{
	switch(mime)
	{
		case 'video/x-flv':
		case 'audio/mpeg':

			return true;
	}
	
	
	return false;
}


mediaObjectFactory.playWithQT = function ( mime )
{
	switch (mime)
	{
		// Microsoft specific formats
		case 'audio/wma':
		case 'audio/x-ms-wma':
	
		case 'video/avi':
		case 'video/wmv':
		case 'video/asf':
		case 'video/x-msvideo':
		case 'video/x-ms-wmv':
		case 'video/x-ms-wvx':
		case 'video/x-ms-asf':
		case 'application/x-mplayer2':
	
		// Real specific formats	
		case 'audio/x-realaudio':
		case 'audio/x-pn-realaudio-plugin':

			return false;
	}
	
	return true;
}


// The code below comes is derived from Apple sample code
mediaObjectFactory.detectFlash = function ()
{
    var pluginFound = this.detectPlugin('Shockwave','Flash');
    
    if(!pluginFound && detectableWithVB) 
    {
		pluginFound = detectActiveXControl('ShockwaveFlash.ShockwaveFlash.1');
    }
	
	return pluginFound;
}

mediaObjectFactory.detectDirector = function ()
{
    var pluginFound = this.detectPlugin('Shockwave','Director');
    
    if(!pluginFound && detectableWithVB) 
    {
		pluginFound = detectActiveXControl('SWCtl.SWCtl.1');
    }
    
    return pluginFound;
}
    
mediaObjectFactory.detectWindowsMedia = function ()
{
    var pluginFound = this.detectPlugin('Windows Media Player');
    if(!pluginFound && detectableWithVB) 
    {
		pluginFound = detectActiveXControl('MediaPlayer.MediaPlayer.1');
    }

    return pluginFound;
}

mediaObjectFactory.detectQuickTime = function ()
{
    var pluginFound = this.detectPlugin('QuickTime');
    
    if(!pluginFound && detectableWithVB) 
    {
		pluginFound = detectQuickTimeActiveXControl();
    }
    
    return pluginFound;
}

mediaObjectFactory.detectReal = function ()
{
    var pluginFound = this.detectPlugin('RealPlayer');
    
    if(!pluginFound && detectableWithVB) 
    {
		pluginFound = (detectActiveXControl('rmocx.RealPlayer G2 Control')
					|| detectActiveXControl('RealPlayer.RealPlayer(tm) ActiveX Control (32-bit)')
					|| detectActiveXControl('RealVideo.RealVideo(tm) ActiveX Control (32-bit)'));
    }	
   
   	return pluginFound;
}


mediaObjectFactory.detectPlugin = function()
{
    var daPlugins   = mediaObjectFactory.detectPlugin.arguments;
    var pluginFound = false;

    if (navigator.plugins && navigator.plugins.length > 0) 
    {
		var pluginsArrayLength = navigator.plugins.length;

		for (pluginsArrayCounter=0; pluginsArrayCounter < pluginsArrayLength; pluginsArrayCounter++ ) 
		{
		    // loop through all desired names and check each against the current plugin name
		    var numFound = 0;
		    
		    for (namesCounter=0; namesCounter < daPlugins.length; namesCounter++) 
		    {
				// if desired plugin name is found in either plugin name or description
				if ( 	(navigator.plugins[pluginsArrayCounter].name.indexOf(daPlugins[namesCounter]) >= 0) 
					||	(navigator.plugins[pluginsArrayCounter].description.indexOf(daPlugins[namesCounter]) >= 0) ) 
				{
				    // this name was found
				    numFound++;
				}   
		    }

		    // now that we have checked all the required names against this one plugin,
		    // if the number we found matches the total number provided then we were successful
		    if (numFound == daPlugins.length) 
		    {
				pluginFound = true;
				// if we've found the plugin, we can stop looking through at the rest of the plugins
				break;
		    }
		}
    }
    return pluginFound;
}


// Here we write out the VBScript block for MSIE Windows
mediaObjectFactory.createVBScriptTester = function ()
{
	if (!didWriteVBScript && (navigator.userAgent.indexOf('MSIE') != -1) && (navigator.userAgent.indexOf('Win') != -1)) 
	{
		didWriteVBScript = true;

	    document.writeln('<script language="VBscript">');
	
	    document.writeln('\'do a one-time test for a version of VBScript that can handle this code');
	    document.writeln('detectableWithVB = False');
	    document.writeln('If ScriptEngineMajorVersion >= 2 then');
	    document.writeln('  detectableWithVB = True');
	    document.writeln('End If');
	
	    document.writeln('\'this next function will detect most plugins');
	    document.writeln('Function detectActiveXControl(activeXControlName)');
	    document.writeln('  on error resume next');
	    document.writeln('  detectActiveXControl = False');
	    document.writeln('  If detectableWithVB Then');
	    document.writeln('     detectActiveXControl = IsObject(CreateObject(activeXControlName))');
	    document.writeln('  End If');
	    document.writeln('End Function');
	
	    document.writeln('\'and the following function handles QuickTime');
	    document.writeln('Function detectQuickTimeActiveXControl()');
	    document.writeln('  on error resume next');
	    document.writeln('  detectQuickTimeActiveXControl = False');
	    document.writeln('  If detectableWithVB Then');
	    document.writeln('    detectQuickTimeActiveXControl = False');
	    document.writeln('    hasQuickTimeChecker = false');
	    document.writeln('    Set hasQuickTimeChecker = CreateObject("QuickTimeCheckObject.QuickTimeCheck.1")');
	    document.writeln('    If IsObject(hasQuickTimeChecker) Then');
	    document.writeln('      If hasQuickTimeChecker.IsQuickTimeAvailable(0) Then ');
	    document.writeln('        detectQuickTimeActiveXControl = True');
	    document.writeln('      End If');
	    document.writeln('    End If');
	    document.writeln('  End If');
	    document.writeln('End Function');
	
	    document.writeln('</scr' + 'ipt>');
	}
}

// -->

// 
/**
 * WinObject: Windows Media Player embed - http://www.rossgerbasi.com/2006/11/18/extreme-video-plugin-30-beta/
 *
 * WinObject is made by Ross Gerbasi
 *
 * $Id: winobject.js 31492 2007-09-25 11:31:25Z marc $
 */

/*  */

winObject = function(file, id, w, h, mime) {
	this.mime_type = mime;
	this.file = file;
	this.id = id;
	this.width = w;
	this.height = h;
	this.redirect = "";
	this.sq = document.location.search.split("?")[1] || "";
	this.altTxt = "This content requires the Windows Media Player.";
	this.params = new Object();
}

winObject.prototype.addParam = function(name, value) {
	if (name == 'controller' && value == 'true') {
		this.height = parseInt(this.height) + 46;  // 15 for QT, 46 for WMP6, 64 for WMP7
	}
	this.params[name] = value;
}

winObject.prototype.getParams = function() {
    return this.params;
}

winObject.prototype.getParam = function(name) {
    return this.params[name];
}

winObject.prototype.getParamTags = function() {
    var paramTags = "";
    for (var param in this.getParams()) {
        paramTags += '<param name="' + param + '" value="' + this.getParam(param) + '" />';
    }
    if (paramTags == "") {
        paramTags = null;
    }
    return paramTags;
}

winObject.prototype.getHTML = function() {
    var qtHTML = "";
	if (navigator.plugins && navigator.plugins.length) { // not ie
        qtHTML += '<embed type="'+this.mime_type+'" src="' + this.file + '" width="' + this.width + '" height="' + this.height + '" id="' + this.id + '"';
        for (var param in this.getParams()) {
            qtHTML += ' ' + param + '="' + this.getParam(param) + '"';
        }
        qtHTML += '></embed>';
    }
    else { // pc ie
        qtHTML += '<object classid="clsid:22D6F312-B0F6-11D0-94AB-0080C74C7E95" width="' + this.width + '" height="' + this.height + '" id="' + this.id + '">';

        this.addParam("src", this.file);
        if (this.getParamTags() != null) {
            qtHTML += this.getParamTags();
        }
        qtHTML += '</object>';
    }
    return qtHTML;
}


winObject.prototype.getVariablePairs = function() {
    var variablePairs = new Array();
    for (var name in this.getVariables()) {
        variablePairs.push(name + "=" + escape(this.getVariable(name)));
    }
    if (variablePairs.length > 0) {
        return variablePairs.join("&");
    }
    else {
        return null;
    }
}

winObject.prototype.write = function(elementId) {
	if (elementId) {
		document.getElementById(elementId).innerHTML = this.getHTML();
	} else {
		document.write(this.getHTML());
	}
}


// 
/* 
 * QTObject embed
 * http://blog.deconcept.com/2005/01/26/web-standards-compliant-javascript-quicktime-detect-and-embed/
 *
 * by Geoff Stearns (geoff@deconcept.com, http://www.deconcept.com/)
 *
 * v1.0.2 - 02-16-2005
 *
 * Embeds a quicktime movie to the page, includes plugin detection
 *
 * Usage:
 *
 *	myQTObject = new QTObject("path/to/mov.mov", "movid", "width", "height");
 *	myQTObject.altTxt = "Upgrade your Quicktime Player!";    // optional
 
 *  myQTObject.addParam("controller", "false");              // optional
 *	myQTObject.write();
 *
 */

QTObject = function(mov, id, w, h) {
	this.mov = mov;
	this.id = id;
	this.width = w;
	this.height = h;
	this.redirect = "";
	this.sq = document.location.search.split("?")[1] || "";
	this.altTxt = "This content requires the QuickTime Plugin. <a href='http://www.apple.com/quicktime/download/'>Download QuickTime Player</a>.";
	this.bypassTxt = "<p>Already have QuickTime Player? <a href='?detectqt=false&"+ this.sq +"'>Click here.</a></p>";
	this.params = new Object();
	this.doDetect = getQueryParamValue('detectqt');
}

QTObject.prototype.addParam = function(name, value) {
	if (name == 'controller' && value == 'true') {
		this.height = parseInt(this.height) + 15;  // 15 for QT, 46 for WMP6, 64 for WMP7
	} else if (name == 'autostart') {
		name = 'autoplay';
	}
	this.params[name] = value;
}

QTObject.prototype.getParams = function() {
    return this.params;
}

QTObject.prototype.getParam = function(name) {
    return this.params[name];
}

QTObject.prototype.getParamTags = function() {
    var paramTags = "";
    for (var param in this.getParams()) {
        paramTags += '<param name="' + param + '" value="' + this.getParam(param) + '" />';
    }
    if (paramTags == "") {
        paramTags = null;
    }
    return paramTags;
}

QTObject.prototype.getHTML = function() {
    var qtHTML = "";
	if (navigator.plugins && navigator.plugins.length) { // not ie
        qtHTML += '<embed type="video/quicktime" src="' + this.mov + '" width="' + this.width + '" height="' + this.height + '" id="' + this.id + '"';
        for (var param in this.getParams()) {
            qtHTML += ' ' + param + '="' + this.getParam(param) + '"';
        }
        qtHTML += '></embed>';
    }
    else { // pc ie
        qtHTML += '<object classid="clsid:02BF25D5-8C17-4B23-BC80-D3488ABDDC6B" width="' + this.width + '" height="' + this.height + '" id="' + this.id + '">';
        this.addParam("src", this.mov);
        if (this.getParamTags() != null) {
            qtHTML += this.getParamTags();
        }
        qtHTML += '</object>';
    }
    return qtHTML;
}


QTObject.prototype.getVariablePairs = function() {
    var variablePairs = new Array();
    for (var name in this.getVariables()) {
        variablePairs.push(name + "=" + escape(this.getVariable(name)));
    }
    if (variablePairs.length > 0) {
        return variablePairs.join("&");
    }
    else {
        return null;
    }
}

QTObject.prototype.write = function(elementId) {
	if(isQTInstalled() || this.doDetect=='false') {
		if (elementId) {
			document.getElementById(elementId).innerHTML = this.getHTML();
		} else {
			document.write(this.getHTML());
		}
	} else {
		if (this.redirect != "") {
			document.location.replace(this.redirect);
		} else {
			if (elementId) {
				document.getElementById(elementId).innerHTML = this.altTxt +""+ this.bypassTxt;
			} else {
				document.write(this.altTxt +""+ this.bypassTxt);
			}
		}
	}		
}

function isQTInstalled() {
	var qtInstalled = false;
	qtObj = false;
	if (navigator.plugins && navigator.plugins.length) {
		for (var i=0; i < navigator.plugins.length; i++ ) {
         var plugin = navigator.plugins[i];
         if (plugin.name.indexOf("QuickTime") > -1) {
			qtInstalled = true;
         }
      }
	} else {
		execScript('on error resume next: qtObj = IsObject(CreateObject("QuickTimeCheckObject.QuickTimeCheck.1"))','VBScript');
		qtInstalled = qtObj;
	}
	return qtInstalled;
}

/* get value of querystring param */
function getQueryParamValue(param) {
	var q = document.location.search;
	var detectIndex = q.indexOf(param);
	var endIndex = (q.indexOf("&", detectIndex) != -1) ? q.indexOf("&", detectIndex) : q.length;
	if(q.length > 1 && detectIndex != -1) {
		return q.substring(q.indexOf("=", detectIndex)+1, endIndex);
	} else {
		return "";
	}
}

/**/
/**
 * SWFObject v1.5: Flash Player detection and embed - http://blog.deconcept.com/swfobject/
 *
 * SWFObject is (c) 2007 Geoff Stearns and is released under the MIT License:
 * http://www.opensource.org/licenses/mit-license.php
 * 
 */

if(typeof deconcept=="undefined"){var deconcept=new Object();}if(typeof deconcept.util=="undefined"){deconcept.util=new Object();}if(typeof deconcept.SWFObjectUtil=="undefined"){deconcept.SWFObjectUtil=new Object();}deconcept.SWFObject=function(_1,id,w,h,_5,c,_7,_8,_9,_a){if(!document.getElementById){return;}this.DETECT_KEY=_a?_a:"detectflash";this.skipDetect=deconcept.util.getRequestParameter(this.DETECT_KEY);this.params=new Object();this.variables=new Object();this.attributes=new Array();if(_1){this.setAttribute("swf",_1);}if(id){this.setAttribute("id",id);}if(w){this.setAttribute("width",w);}if(h){this.setAttribute("height",h);}if(_5){this.setAttribute("version",new deconcept.PlayerVersion(_5.toString().split(".")));}this.installedVer=deconcept.SWFObjectUtil.getPlayerVersion();if(!window.opera&&document.all&&this.installedVer.major>7){deconcept.SWFObject.doPrepUnload=true;}if(c){this.addParam("bgcolor",c);}var q=_7?_7:"high";this.addParam("quality",q);this.setAttribute("useExpressInstall",false);this.setAttribute("doExpressInstall",false);var _c=(_8)?_8:window.location;this.setAttribute("xiRedirectUrl",_c);this.setAttribute("redirectUrl","");if(_9){this.setAttribute("redirectUrl",_9);}};deconcept.SWFObject.prototype={useExpressInstall:function(_d){this.xiSWFPath=!_d?"expressinstall.swf":_d;this.setAttribute("useExpressInstall",true);},setAttribute:function(_e,_f){this.attributes[_e]=_f;},getAttribute:function(_10){return this.attributes[_10];},addParam:function(_11,_12){this.params[_11]=_12;},getParams:function(){return this.params;},addVariable:function(_13,_14){this.variables[_13]=_14;},getVariable:function(_15){return this.variables[_15];},getVariables:function(){return this.variables;},getVariablePairs:function(){var _16=new Array();var key;var _18=this.getVariables();for(key in _18){_16[_16.length]=key+"="+_18[key];}return _16;},getSWFHTML:function(){var _19="";if(navigator.plugins&&navigator.mimeTypes&&navigator.mimeTypes.length){if(this.getAttribute("doExpressInstall")){this.addVariable("MMplayerType","PlugIn");this.setAttribute("swf",this.xiSWFPath);}_19="<embed type=\"application/x-shockwave-flash\" src=\""+this.getAttribute("swf")+"\" width=\""+this.getAttribute("width")+"\" height=\""+this.getAttribute("height")+"\" style=\""+this.getAttribute("style")+"\"";_19+=" id=\""+this.getAttribute("id")+"\" name=\""+this.getAttribute("id")+"\" ";var _1a=this.getParams();for(var key in _1a){_19+=[key]+"=\""+_1a[key]+"\" ";}var _1c=this.getVariablePairs().join("&");if(_1c.length>0){_19+="flashvars=\""+_1c+"\"";}_19+="/>";}else{if(this.getAttribute("doExpressInstall")){this.addVariable("MMplayerType","ActiveX");this.setAttribute("swf",this.xiSWFPath);}_19="<object id=\""+this.getAttribute("id")+"\" classid=\"clsid:D27CDB6E-AE6D-11cf-96B8-444553540000\" width=\""+this.getAttribute("width")+"\" height=\""+this.getAttribute("height")+"\" style=\""+this.getAttribute("style")+"\">";_19+="<param name=\"movie\" value=\""+this.getAttribute("swf")+"\" />";var _1d=this.getParams();for(var key in _1d){_19+="<param name=\""+key+"\" value=\""+_1d[key]+"\" />";}var _1f=this.getVariablePairs().join("&");if(_1f.length>0){_19+="<param name=\"flashvars\" value=\""+_1f+"\" />";}_19+="</object>";}return _19;},write:function(_20){if(this.getAttribute("useExpressInstall")){var _21=new deconcept.PlayerVersion([6,0,65]);if(this.installedVer.versionIsValid(_21)&&!this.installedVer.versionIsValid(this.getAttribute("version"))){this.setAttribute("doExpressInstall",true);this.addVariable("MMredirectURL",escape(this.getAttribute("xiRedirectUrl")));document.title=document.title.slice(0,47)+" - Flash Player Installation";this.addVariable("MMdoctitle",document.title);}}if(this.skipDetect||this.getAttribute("doExpressInstall")||this.installedVer.versionIsValid(this.getAttribute("version"))){var n=(typeof _20=="string")?document.getElementById(_20):_20;n.innerHTML=this.getSWFHTML();return true;}else{if(this.getAttribute("redirectUrl")!=""){document.location.replace(this.getAttribute("redirectUrl"));}}return false;}};deconcept.SWFObjectUtil.getPlayerVersion=function(){var _23=new deconcept.PlayerVersion([0,0,0]);if(navigator.plugins&&navigator.mimeTypes.length){var x=navigator.plugins["Shockwave Flash"];if(x&&x.description){_23=new deconcept.PlayerVersion(x.description.replace(/([a-zA-Z]|\s)+/,"").replace(/(\s+r|\s+b[0-9]+)/,".").split("."));}}else{if(navigator.userAgent&&navigator.userAgent.indexOf("Windows CE")>=0){var axo=1;var _26=3;while(axo){try{_26++;axo=new ActiveXObject("ShockwaveFlash.ShockwaveFlash."+_26);_23=new deconcept.PlayerVersion([_26,0,0]);}catch(e){axo=null;}}}else{try{var axo=new ActiveXObject("ShockwaveFlash.ShockwaveFlash.7");}catch(e){try{var axo=new ActiveXObject("ShockwaveFlash.ShockwaveFlash.6");_23=new deconcept.PlayerVersion([6,0,21]);axo.AllowScriptAccess="always";}catch(e){if(_23.major==6){return _23;}}try{axo=new ActiveXObject("ShockwaveFlash.ShockwaveFlash");}catch(e){}}if(axo!=null){_23=new deconcept.PlayerVersion(axo.GetVariable("$version").split(" ")[1].split(","));}}}return _23;};deconcept.PlayerVersion=function(_29){this.major=_29[0]!=null?parseInt(_29[0]):0;this.minor=_29[1]!=null?parseInt(_29[1]):0;this.rev=_29[2]!=null?parseInt(_29[2]):0;};deconcept.PlayerVersion.prototype.versionIsValid=function(fv){return true;if(this.major<fv.major){return false;}if(this.major>fv.major){return true;}if(this.minor<fv.minor){return false;}if(this.minor>fv.minor){return true;}if(this.rev<fv.rev){return false;}return true;};deconcept.util={getRequestParameter:function(_2b){var q=document.location.search||document.location.hash;if(_2b==null){return q;}if(q){var _2d=q.substring(1).split("&");for(var i=0;i<_2d.length;i++){if(_2d[i].substring(0,_2d[i].indexOf("="))==_2b){return _2d[i].substring((_2d[i].indexOf("=")+1));}}}return "";}};deconcept.SWFObjectUtil.cleanupSWFs=function(){var _2f=document.getElementsByTagName("OBJECT");for(var i=_2f.length-1;i>=0;i--){_2f[i].style.display="none";for(var x in _2f[i]){if(typeof _2f[i][x]=="function"){_2f[i][x]=function(){};}}}};if(deconcept.SWFObject.doPrepUnload){if(!deconcept.unloadSet){deconcept.SWFObjectUtil.prepUnload=function(){__flash_unloadHandler=function(){};__flash_savedUnloadHandler=function(){};window.attachEvent("onunload",deconcept.SWFObjectUtil.cleanupSWFs);};window.attachEvent("onbeforeunload",deconcept.SWFObjectUtil.prepUnload);deconcept.unloadSet=true;}}if(!document.getElementById&&document.all){document.getElementById=function(id){return document.all[id];};}var getQueryParamValue=deconcept.util.getRequestParameter;var FlashObject=deconcept.SWFObject;var SWFObject=deconcept.SWFObject;

/*  */
