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 unique()
{
	return Math.random() * Math.pow(10, 17) + Math.random() * Math.pow(10, 17) + Math.random() * Math.pow(10, 17) + Math.random() * Math.pow(10, 17);
}

function FlashMovie()
{
	this.params = new Object();
	this.params.codebase = 'http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=9,0,0,0';
	this.params.classid = 'clsid:d27cdb6e-ae6d-11cf-96b8-444553540000';
	this.params.quality = 'high';
	this.params.width = '100%';
	this.params.height = '100%';
	this.params.allowFullScreen = 'true';
	this.params.allowScriptAccess = 'always';
	this.params.type="application/x-shockwave-flash";
	this.params.pluginspage = "http://www.macromedia.com/go/getflashplayer";
	this.prefix = "flash_movie_";
	
	this.id = this.prefix+unique();
	
	this.createHolder = true;
	
	this.options = new Object();
	this.def = new Object();
	
	this.getScript = function(dump)
	{
		var str = '';
		var options = this.parseOptions();
		
		if(typeof this.params.src != 'undefined'){
			this.params.src = this.def.src + options;
		}
		if(typeof this.params.movie != 'undefined'){
			this.params.movie = this.def.movie + options;
		}
		
		var ret = this.parseArgs(this.params);
		
		if (isIE && isWin && !isOpera)
		{
		    str += '<object';
		    
		    for (var i in ret.objAttrs)
		    {
			   if(ret.objAttrs[i]!='')
				   str += " "+i + '="' + ret.objAttrs[i] + '"';
		    }
		    
		    str += '>';
		    
		    for (var i in ret.params)
		    {
			   if(ret.params[i]!='')
				   str += '<param name="' + i + '" value="' + ret.params[i] + '" /> ';
		    }
		    
		    str += '</object>';

		}
		else {
			str += '<embed';
			
			for (var i in ret.embedAttrs)
		    {
		    	if(ret.embedAttrs[i]!='')
			    	str += " "+i + '="' + ret.embedAttrs[i] + '"';
		    }
			
			str += ' />';
		}
		
		if(dump == true){
			str = str.replace(/</g,"&lt;");
			str = str.replace(/>/g,"&gt;");
			str = str.replace(/\//g,"\/");
		}
		
		return str;
	}
	
	this.generate = function(divid)
	{
		
		for(i in this.params){
			this.def[i] = this.params[i];
		}
		
		var ret = '';
		
		if(this.createHolder){
			ret += '<div id="'+this.id+'" style="width:100%; height:100%;">';
		}
		
		ret += this.getScript();
		
		if(this.createHolder){
			ret += '</div>';
		}
		
		if(divid && typeof divid == 'object' && typeof divid.innerHTML != 'undefined'){
			divid.innerHTML = ret;
		}
		else if(divid && typeof document.getElementById(divid) == 'object' && typeof document.getElementById(divid).innerHTML != 'undefined') {
			document.getElementById(divid).innerHTML = ret;
		}
		else {
			document.write(ret);
		}
	}
	
	this.changeMovie = function(data)
	{
		var video_holder = document.getElementById(this.id);
		
		if(typeof video_holder != 'object' || video_holder == null){
			return false;
		}
		
		if(typeof data == 'string'){
			this.options.file = data;
		}
		if(typeof data == 'object'){
			for(i in data){
				this.options[i] = data[i];
			}
		}
		
		ret = this.getScript();
		
		video_holder.innerHTML = ret;
	}
	
	this.parseOptions = function()
	{
		ret = '';
		
		for(i in this.options){
			ret += i+'='+this.options[i]+"&";
		}
		
		if(ret != ''){
			ret = "?"+ret;
			ret = ret.substring(0,ret.length-1);
		}
		return ret;
	}
	
	this.parseArgs = function(args) {
	  var ret = new Object();
	  ret.embedAttrs = new Object();
	  ret.params = new Object();
	  ret.objAttrs = new Object();
	  for (var i in args){
	    var currArg = i.toLowerCase();    
	
	    switch (currArg){	
	      case "classid":
	        ret.objAttrs[i] = args[i];
	        break;
	      case "pluginspage":
	        ret.embedAttrs[i] = args[i];
	        break;
	      case "src":
	      case "movie":	
	        ret.embedAttrs["src"] = args[i];
	        ret.params["movie"] = args[i];
	        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 "codebase":
	        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":
	      case "id":
	        ret.embedAttrs[i] = ret.objAttrs[i] = args[i];
	        break;
	      default:
	        ret.embedAttrs[i] = ret.params[i] = args[i];
	    }
	  }  
	  return ret;
	}
}