/*
function write_swf(moviename:string,flash version:integer,params:Sting (comma delimited),flashVars: String (comma delimited name=value pairs)
*/


function write_swf(){
	
	_a = write_swf.arguments;
	if (DetectFlashVer(_a[1],0,0)) {		// not too worried about minor and revision versions so use 0,0 for those
		writeObjectTag(_a)			// if we've detected an acceptable version
	} else {  
		// flash is too old or we can't detect the plugin
		var msg="You need to install Flash Player to view some of the \ncontent on this page. Would you like to install it now?"
		if(confirm(msg)){
			//document.location.href = 'flash.htm'; //use this for off-line versions
			document.location.href ="http://www.adobe.com/shockwave/download/download.cgi?P1_Prod_Version=ShockwaveFlash"; //NB: now uses the same url for ie/non-ie browsers
		}
	}	

};

function writeObjectTag(){
	_a = write_swf.arguments;
	_b = new Array();
	_b['id'] = '';
	_b['width']= '100%';
	_b['height'] = '100%';
	_b['vspace'] = '';
	_b['hspace'] = '';
	_b['align']	= '';
	_b['id'] = '';
	_b['bgcolor'] = (document.bgColor != null) ? document.bgColor : "#ffffff";
	_b['quality'] = 'high';
	_c = (_a[2]) ? _a[2].split(',') : new Array();
	
	for(i in _c){
	_d = _c[i].split('=');
	_b[_d[0].replace(' ','')] = _d[1].replace(' ','');
	}
	
	if(_a[3] ) {
	_e = _a[3].split(',');
	_e = _e.join('&',escape(_e));
	} else {
	_e = '';
	}
	swf_tag = '<object  classid="clsid:d27cdb6e-ae6d-11cf-96b8-444553540000" codebase="http://fpdownload.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=8,0,0,0" name="'+_b['id']+'" width="'+_b['width']+'" height="'+_b['height']+'" xvspace="'+_b['vspace']+'" xhspace="'+_b['hspace']+'" xalign="'+_b['align']+'" id="'+_b['id']+'"><param name="movie" value="'+_a[0]+'"><param name="quality" value="'+_b['quality']+'"><param name="BGCOLOR" value="'+_b['bgcolor']+'"><param name="FlashVars" value="'+_e +'"><param name="allowScriptAccess" value="sameDomain" /><embed src="'+_a[0]+'" swLiveConnect=true quality="high" bgcolor="'+_b['bgcolor']+'" width="'+_b['width']+'" height="'+_b['height']+'" salign="lt" name="'+_b['id']+'" allowScriptAccess="sameDomain" type="application/x-shockwave-flash" pluginspage="http://www.macromedia.com/go/getflashplayer" /></object>';
	document.write(swf_tag);	
}
// Flash Player Version Detection - Rev 1.5
// 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");
		//alert('ac_oetags '+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 endMovie(){
	//window.close();
	document.location.href='http://www.maths4life.org/';
	//window.history.back();
};